How is P0087 different from P0088?

While both codes relate to fuel rail pressure, they indicate opposite conditions: P0087 indicates fuel pressure that is too low for proper engine operation P0088 indicates fuel pressure that is too high, potentially damaging components These codes often share common components in their diagnostic path, including: The fuel pressure regulator/control valve The fuel pressure sensor The PCM interpretation of pressure data However, P0087 typically suggests a fuel delivery shortage or restriction, while P0088 suggests a pressure regulation failure or control issue. In rare cases, an intermittent pressure sensor can trigger both codes at different times.

What other codes commonly appear alongside P0087?

P0087 frequently appears with these related codes: P0190-P0194: Fuel rail pressure sensor circuit issues P0171/P0174: System too lean (banks 1/2) P0089: Fuel pressure regulator performance P0001-P0004: Fuel volume control valve circuit issues P1093/P1094: Fuel rail pressure low during engine operation/acceleration P0401-P0408: EGR system codes (affected by fuel pressure issues) P0300-P0308: Misfire codes resulting from inadequate fuel delivery P1682/P1683: Fuel pump driver module circuit issues (Ford) P20EE/P20E8: SCR NOx catalyst efficiency codes (diesel) Multiple related codes provide valuable diagnostic direction. For instance, P0087 with P0171/P0174 strongly suggests a fuel delivery issue rather than a sensor problem.

Is P0087 related to oxygen sensor codes?

Yes, P0087 can indirectly trigger oxygen sensor-related codes: Low fuel pressure causes lean running conditions Oxygen sensors detect the lean condition The PCM increases injector pulse width to compensate If compensation exceeds limits, lean codes appear (P0171/P0174) Extended lean conditions can trigger oxygen sensor sluggish response codes When diagnosing oxygen sensor codes with P0087, always address the fuel pressure issue first, then clear codes and retest before replacing oxygen sensors.

How does P0087 differ between diesel and gasoline applications?

The fundamental definition is the same (low fuel rail pressure), but the specifics vary significantly: Diesel Applications: Operates at much higher pressures (up to 30,000+ PSI) Often involves a two-stage pump system More sensitive to fuel quality and lubricity Critical for emissions systems operation Often leads to severe drivability issues quickly Can cause catastrophic high-pressure pump failure Gasoline Applications: Lower operating pressures (40-70 PSI for port injection, 500-2000+ PSI for GDI) Usually involves a single in-tank pump (port injection) or dual pump system (GDI) More affected by electrical supply issues Often presents as gradual performance deterioration Typically less likely to cause catastrophic component failure

Can a single issue cause both P0087 and P0088?

Yes, though uncommon, a single component can cause both codes: Pressure Sensor Issues: A faulty fuel pressure sensor might report erroneously low values (triggering P0087) and then erroneously high values (triggering P0088). Pressure Regulator Oscillation: A sticking pressure regulator valve can cause pressure to fluctuate between too low and too high. PCM Issues: In rare cases, a PCM with corrupted calibration data might misinterpret normal pressure as too low or too high at different times. Intermittent Electrical Issues: Wiring problems causing voltage fluctuations to control components can result in both under and over-pressure conditions. If both codes appear, focus diagnostic efforts on control components and sensors rather than supply components (which typically only cause low pressure).

What's the difference between P0087 and P0089?

These codes are closely related but indicate different system issues: P0087: Fuel Rail Pressure Too Low – an actual measured low pressure condition P0089: Fuel Pressure Regulator Performance – a control problem with the component that regulates pressure P0089 specifically points to the regulator/control valve itself, while P0087 could be caused by numerous components including the regulator as well as pumps, filters, lines, etc. When P0089 appears alone, the focus should be on the regulator component, its electrical supply, and control circuit. When P0087 appears alone, a broader diagnostic approach is needed.

Why might my vehicle show P0087 rather than manufacturer-specific codes?

This depends on how your vehicle’s manufacturer has programmed the OBD-II system: P0087 is a generic SAE standard code recognized by all scan tools Many manufacturers also program enhanced, proprietary codes that provide more specific information Basic code readers only display generic codes, missing manufacturer-specific information Professional scan tools can typically read both generic and enhanced codes For example, a Ford vehicle might set both generic P0087 and Ford-specific P1211 (Fuel Pump Control Module fault), but a basic code reader would only show P0087. For complete diagnostic information, use a professional-grade scanner compatible with your vehicle’s manufacturer-specific codes.

Why do mechanics sometimes replace the wrong parts when diagnosing P0087?

Several factors contribute to misdiagnosis of P0087: Incomplete Testing: Failing to perform proper pressure testing leads to guesswork. Assumption-Based Repair: Replacing common failure items (like fuel pumps) without confirming they’re the actual cause. Overlapping Symptoms: Many fuel system issues present similar symptoms. Multiple Contributing Factors: Several minor issues combining to cause low pressure. Neglecting Electrical Testing: Focusing only on mechanical components while ignoring electrical supply issues. To avoid misdiagnosis, insist on: Actual pressure measurements (not just code reading) Testing under the specific conditions when symptoms occur Electrical system testing as part of the diagnostic process Consideration of vehicle-specific common failure points

How can I differentiate between a fuel pump and fuel filter problem?

These components often create similar symptoms, but can be distinguished: Testing Approach: Pressure and Volume Testing: A clogged filter shows normal pressure at idle but dropping under load, while a failing pump typically shows low pressure consistently. Pressure Drop Testing: Measure pressure before and after the filter; excessive difference indicates restriction. Audible Clues: A failing pump often makes abnormal noises (whining, buzzing), while a filter issue is silent. Symptom Progression: Filter issues typically develop gradually, while pump failures often appear more suddenly. Visual Inspection: Clear filter housings may show visible contamination. As a general rule, with identical symptoms, it’s prudent to replace the less expensive filter first, then retest before replacing the pump.

Could my P0087 be caused by something other than the fuel system?

Yes, in some cases, systems that interact with the fuel delivery system can indirectly trigger P0087: Charging System Issues: Low alternator output reduces voltage to the fuel pump. PCM/ECM Problems: Faulty fuel control programming or corrupt adaptive values. Mass Airflow Sensor Errors: Incorrect air measurement leads to inappropriate fuel demands. Exhaust Restriction: Creates increased backpressure affecting engine efficiency and fuel requirements. Transmission Control Issues: In some integrated systems, transmission control problems can affect engine load calculation and fuel demands. Air Intake Restrictions: Clogged air filters can create unusual engine load conditions affecting fuel requirements. These indirect causes are less common but should be considered when traditional fuel system diagnosis doesn’t reveal the problem.

Why might P0087 be misdiagnosed as an ignition system problem?

The symptoms of low fuel pressure can closely mimic ignition system failures: Both can cause misfires under load Both can create hesitation during acceleration Both can affect cold start quality Both can cause rough idle conditions Both can trigger misfire codes (P0300-P0308) The key difference is that ignition issues typically manifest as more cylinder-specific problems, while fuel pressure issues usually affect all cylinders, though not always equally. To differentiate, professional diagnostics should include: Fuel pressure testing under load conditions Ignition system testing including spark quality under pressure Cylinder contribution testing Analysis of fuel trim data alongside misfire counters

Why does my P0087 code keep coming back after repairs?

Recurring P0087 codes after repair typically stem from: Incomplete Diagnosis: Addressing symptoms rather than root causes. Related Component Failure: Replacing one component when multiple parts are failing. Systemic Contamination: Particularly in diesel systems, where debris from one failure damages other components. Electrical Issues: Intermittent wiring problems that weren’t identified during initial diagnosis. Quality of Replacement Parts: Aftermarket parts that don’t meet OEM specifications. Adaptation Issues: Failure to perform required relearn procedures after repairs. Upstream Issues: Problems with components that feed the fuel system, such as the charging system. To break the cycle of recurring codes: Request comprehensive pressure testing under various conditions Consider fuel system contamination testing Perform electrical testing including voltage drop tests Use OEM parts for critical components Ensure proper PCM adaptations are performed after repairs

How long should a proper fuel system repair last?

Properly repaired fuel systems should remain trouble-free for extended periods: In-tank fuel pumps: Typically 100,000+ miles under normal conditions Fuel filters: 30,000-60,000 miles depending on fuel quality and driving conditions High-pressure pumps: 80,000-150,000 miles for quality replacements Pressure regulators: Often last the vehicle’s lifetime unless contaminated Wiring repairs: Should last indefinitely if properly executed Factors that can shorten component life include: Poor fuel quality Frequent low fuel level operation Extreme temperature conditions Heavy towing or high-performance driving Electrical system issues causing voltage fluctuations If repairs last significantly less than these expectations, it suggests either incorrect diagnosis, poor quality parts, improper installation, or an unaddressed underlying issue.

What should I do if multiple shops can't fix my recurring P0087?

Persistent P0087 codes that multiple shops can’t resolve require an escalated approach: Seek Specialist Expertise: Dealer technicians with manufacturer-specific training Brand specialists (diesel shops, European specialists) Master-certified technicians with advanced diagnostics capability Request Advanced Diagnostic Methods: Pressure waveform analysis using lab scopes Extended road testing with data logging Component isolation testing Factory-level diagnostic procedures Consider Vehicle History: Previous accidents that might have damaged wiring or components Flood exposure that could cause intermittent electrical issues Previous repairs that might have been done incorrectly Fuel quality issues or contamination events Last Resort Options: Complete fuel system replacement PCM replacement and programming Wiring harness replacement Consultation with manufacturer technical service Complex recurring issues sometimes require significant investment in diagnosis before repair, which may exceed the cost of component replacement but ultimately saves money by addressing the root cause.

How do performance modifications affect P0087 occurrences?

Vehicle modifications often increase the likelihood of P0087 codes: Engine Performance Upgrades: Increased horsepower demands more fuel flow Stock fuel pumps may be inadequate for modified engines Higher fuel pressure requirements for increased injection duration Additional boost pressure in turbocharged applications increases fuel demand Common Modification Issues: ECU tuning without fuel system upgrades Larger injectors without increased pump capacity Turbo/supercharger upgrades without fuel system consideration Ignition timing advances increasing cylinder pressure and fuel requirements Prevention Strategies: Match fuel pump capacity to engine modifications Upgrade fuel pressure regulators when necessary Install larger fuel lines for high-output applications Consider return-style fuel system conversion for heavily modified vehicles Use dual pump setups for significant power increases When modifying vehicles, follow the “supporting mods” principle: every performance modification requires appropriate upgrades to supporting systems, including fuel delivery.

Can aftermarket fuel system components cause P0087?

Yes, aftermarket components can sometimes contribute to P0087 issues: Quality Variations: Lower-tier aftermarket pumps may not meet OEM flow specifications Pressure regulators may have different operating characteristics Filter elements may have different flow resistance Electrical components may have different resistance specifications Installation Factors: Improper wiring can reduce voltage to pumps Incorrect pressure regulator settings Fuel line restrictions from improper routing Missing or modified components from kits Compatibility Issues: Parts designed for different applications Components that don’t communicate properly with vehicle electronics Sensors with different calibration parameters Modified return system arrangements When selecting aftermarket components: Research brand reputation for your specific vehicle Verify flow rates and pressure specifications match or exceed OEM Ensure electrical specifications (current draw, resistance) are compatible Consider OEM parts for critical components like pressure sensors and regulators

Do fuel additives or octane boosters affect fuel pressure?

Fuel additives can impact fuel system performance in several ways: Positive Effects: Cleaning agents can remove deposits affecting pressure regulator operation Lubricants can reduce pump friction and wear Water dispersants can prevent corrosion-related issues Stabilizers prevent gum formation that restricts filters Potential Negative Effects: Some additives can affect fuel viscosity, changing flow characteristics Excessive or incompatible additives might leave deposits Alcohol-based additives can affect fuel pump lubrication Certain octane boosters can affect fuel system elastomers Best Practices: Use manufacturer-approved additives Avoid mixing multiple additive products Follow dosage instructions precisely Choose additives specifically formulated for your fuel system type Octane boosters specifically typically don’t directly affect fuel pressure unless they significantly change fuel density or viscosity. However, they can affect combustion characteristics, which might indirectly impact how the PCM manages fuel pressure targets.

Does cold weather cause P0087 codes?

Cold weather can trigger or exacerbate conditions leading to P0087: Direct Cold Weather Effects: Increased fuel viscosity restricts flow Battery voltage drop reduces pump performance Fuel line condensation can freeze and create restrictions Wax precipitation in diesel fuel (gelling) Increased fuel demand for cold engine operation Vehicle Type Considerations: Diesel engines are particularly susceptible to cold-related fuel issues Older vehicles with marginal fuel pumps often fail in cold weather Direct injection systems require higher pressure in cold conditions Vehicles with exposed fuel lines experience more significant effects Preventative Measures: Use winter-blend fuels in cold climates Keep fuel tank at least half full to prevent condensation Consider fuel additives designed for cold weather Park in garages or sheltered areas when possible Allow proper warm-up time before demanding operation P0087 codes that only appear in cold weather often indicate a borderline condition that becomes problematic only under the additional stress of cold operation.

How does high altitude affect fuel pressure and P0087?

Higher altitudes can impact fuel system performance in several ways: Altitude Effects on Fuel Delivery: Lower atmospheric pressure affects fuel pump operation Reduced oxygen density changes air-fuel mixture requirements Potential for increased vapor lock conditions Different combustion characteristics requiring pressure adaptation Typical Altitude-Related Issues: Electric pumps: Generally less affected but may show reduced cooling Mechanical pumps: May show more significant performance reduction Return-style systems: More susceptible to vapor formation issues Pressure regulation: May require adjustment for altitude changes Adaptation Considerations: Modern vehicles typically adapt to altitude changes automatically Older vehicles may require manual adjustments Vehicles regularly operated at high altitudes may benefit from specialized setup PCM altitude compensation can sometimes be inadequate for extreme changes Vehicles exhibiting P0087 after relocation to higher altitudes may require fuel system inspection and potential modification for optimal performance.

Can fuel quality differences between regions trigger P0087?

Regional fuel variations can significantly impact fuel system performance: Regional Fuel Differences: Ethanol content variations (0-15% standard in the US) Seasonal blend changes (winter vs. summer formulations) Additive package differences between regions Base fuel source and refining process variations Biodiesel content variations in diesel fuel Impact on Fuel Systems: Ethanol can affect fuel pump lubrication and cooling Different volatility characteristics affect hot-weather performance Variations in detergent content impact deposit formation Regional sulfur content differences affect diesel system lubricity Mitigation Strategies: Be particularly attentive to fuel system maintenance when relocating Consider fuel system cleaning when switching between regional fuel types Use appropriate additives to compensate for regional fuel deficiencies Reference technical service bulletins related to regional fuel issues Vehicles that exhibit P0087 after relocation or when traveling between regions may benefit from a fuel system service and adaptation period to the new fuel characteristics.

How do I know if the repair was successful?

Testing procedures: Clear diagnostic codes and road test under various conditions, verify fuel pressure meets specifications using gauge testing, and monitor for code recurrence over 100-200 miles. Performance indicators: Normal acceleration response, stable idle operation, no unusual noises from fuel system, and improved fuel economy if previously affected. Long-term monitoring: Check for diagnostic codes monthly for first few months, monitor fuel pump noise changes, and watch for symptom recurrence during high-demand driving.

P00XX Codes – Fuel Volume and Timing Control Errors

The P00XX series of P codes OBD-II diagnostic trouble codes (DTCs) pertains primarily to fuel volume regulation and camshaft timing control. These codes indicate issues related to how much fuel is delivered and when it’s injected during engine operation. Common components involved include the Fuel Volume Regulator (FVR), fuel pressure relief valves, and Variable Valve Timing (VVT) actuators. For instance, codes in this range may highlight open circuits, performance ranges, or pressure conditions within the fuel system or indicate camshaft timing discrepancies like “Over-Retarded” or “Slow Response.” These standardized codes (as denoted by the second digit being 0) apply across most manufacturers, making diagnostics consistent across different vehicle makes. Understanding P00XX codes is essential for addressing engine performance, emissions, and fuel efficiency issues.

Table take note:

a) The “A” camshaft shall be either the “intake,” “left,” or “front” camshaft. Left/Right and Front/Rear are determined as if viewed from the driver’s seating position. Bank 1 contains cylinder number one, Bank 2 is the opposite bank.
b) The “B” camshaft shall be either the “exhaust,” “right,” or “rear” camshaft. Left/Right and Front/Rear are determined

OBD II P00XX Codes Fuel & Air Metering Table with Search

DTC Number	DTC Naming	Location
P0000	ISO/SAE Reserved
P0001	Fuel Volume Regulator Control Circuit/Open
P0002	Fuel Volume Regulator Control Circuit Range/Performance
P0003	Fuel Volume Regulator Control Circuit Low
P0004	Fuel Volume Regulator Control Circuit High
P0005	Fuel Shutoff Valve "A" Control Circuit/Open
P0006	Fuel Shutoff Valve "A" Control Circuit Low
P0007	Fuel Shutoff Valve "A" Control Circuit High
P0008	Engine Position System Performance	Bank 1
P0009	Engine Position System Performance	Bank 2
P000A	"A" Camshaft Position Slow Response	Bank 1
P000B	"B" Camshaft Position Slow Response	Bank 1
P000C	"A" Camshaft Position Slow Response	Bank 2
P000D	"B" Camshaft Position Slow Response	Bank 2
P000E	Fuel Volume Regulator Control Exceeded Learning Limit
P000F	Fuel System Over Pressure Relief Valve Activated
P0010	"A" Camshaft Position Actuator Circuit/Open	Bank 1
P0011	"A" Camshaft Position - Timing Over-Advanced or System Performance	Bank 1
P0012	"A" Camshaft Position - Timing Over-Retarded	Bank 1
P0013	"B" Camshaft Position - Actuator Circuit/Open	Bank 1
P0014	"B" Camshaft Position - Timing Over-Advanced or System Performance	Bank 1
P0015	"B" Camshaft Position - Timing Over-Retarded	Bank 1
P0016	Crankshaft Position - Camshaft Position Correlation	Bank 1 Sensor A
P0017	Crankshaft Position - Camshaft Position Correlation	Bank 1 Sensor B
P0018	Crankshaft Position - Camshaft Position Correlation	Bank 2 Sensor A
P0019	Crankshaft Position - Camshaft Position Correlation	Bank 2 Sensor B
P001A	"A" Camshaft Profile Control Circuit/Open	Bank 1
P001B	"A" Camshaft Profile Control Circuit Low	Bank 1
P001C	"A" Camshaft Profile Control Circuit High	Bank 1
P001D	"A" Camshaft Profile Control Circuit/Open	Bank 2
P001E	"A" Camshaft Profile Control Circuit Low	Bank 2
P001F	"A" Camshaft Profile Control Circuit High	Bank 2
P0020	"A" Camshaft Position Actuator Circuit/Open	Bank 2
P0021	"A" Camshaft Position - Timing Over-Advanced or System Performance	Bank 2
P0022	"A" Camshaft Position - Timing Over-Retarded	Bank 2
P0023	"B" Camshaft Position - Actuator Circuit/Open	Bank 2
P0024	"B" Camshaft Position - Timing Over-Advanced or System Performance	Bank 2
P0025	"B" Camshaft Position - Timing Over-Retarded	Bank 2
P0026	Intake Valve Control Solenoid Circuit Range/Performance	Bank 1
P0027	Exhaust Valve Control Solenoid Circuit Range/Performance	Bank 1
P0028	Intake Valve Control Solenoid Circuit Range/Performance	Bank 2
P0029	Exhaust Valve Control Solenoid Circuit Range/Performance	Bank 2
P002A	"B" Camshaft Profile Control Circuit/Open	Bank 1
P002B	"B" Camshaft Profile Control Circuit Low	Bank 1
P002C	"B" Camshaft Profile Control Circuit High	Bank 1
P002D	"B" Camshaft Profile Control Circuit/Open	Bank 2
P002E	"B" Camshaft Profile Control Circuit Low	Bank 2
P002F	"B" Camshaft Profile Control Circuit High	Bank 2
P0030	HO2S Heater Control Circuit	Bank 1 Sensor 1
P0031	HO2S Heater Control Circuit Low	Bank 1 Sensor 1
P0032	HO2S Heater Control Circuit High	Bank 1 Sensor 1
P0033	Turbocharger/Supercharger Bypass Valve Control Circuit
P0034	Turbocharger/Supercharger Bypass Valve Control Circuit Low
P0035	Turbocharger/Supercharger Bypass Valve Control Circuit High
P0036	HO2S Heater Control Circuit	Bank 1 Sensor 2
P0037	HO2S Heater Control Circuit Low	Bank 1 Sensor 2
P0038	HO2S Heater Control Circuit High	Bank 1 Sensor 2
P0039	Turbocharger/Supercharger Bypass Valve Control Circuit Range/Performance
P003A	Turbocharger/Supercharger Boost Control "A" Position Exceeded Learning Limit
P003B	Turbocharger/Supercharger Boost Control "B" Position Exceeded Learning Limit
P003C	"A" Camshaft Profile Control Performance/Stuck Off	Bank 1
P003D	"A" Camshaft Profile Control Stuck On	Bank 1
P003E	"A" Camshaft Profile Control Performance/Stuck Off	Bank 2
P003F	"A" Camshaft Profile Control Stuck On	Bank 2
P0040	O2 Sensor Signals Swapped Bank 1 Sensor 1/Bank 2 Sensor 1
P0041	O2 Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2
P0042	HO2S Heater Control Circuit	Bank 1 Sensor 3
P0043	HO2S Heater Control Circuit Low	Bank 1 Sensor 3
P0044	HO2S Heater Control Circuit High	Bank 1 Sensor 3
P0045	Turbocharger/Supercharger Boost Control "A" Circuit/Open
P0046	Turbocharger/Supercharger Boost Control "A" Circuit Range/Performance
P0047	Turbocharger/Supercharger Boost Control "A" Circuit Low
P0048	Turbocharger/Supercharger Boost Control "A" Circuit High
P0049	Turbocharger/Supercharger Turbine Overspeed
P004A	Turbocharger/Supercharger Boost Control "B" Circuit/Open
P004B	Turbocharger/Supercharger Boost Control "B" Circuit Range/Performance
P004C	Turbocharger/Supercharger Boost Control "B" Circuit Low
P004D	Turbocharger/Supercharger Boost Control "B" Circuit High
P004E	Turbocharger/Supercharger Boost Control "A" Circuit Intermittent/Erratic
P004F	Turbocharger/Supercharger Boost Control "B" Circuit Intermittent/Erratic
P0050	HO2S Heater Control Circuit	Bank 2 Sensor 1
P0051	HO2S Heater Control Circuit Low	Bank 2 Sensor 1
P0052	HO2S Heater Control Circuit High	Bank 2 Sensor 1
P0053	HO2S Heater Resistance	Bank 1 Sensor 1
P0054	HO2S Heater Resistance	Bank 1 Sensor 2
P0055	HO2S Heater Resistance	Bank 1 Sensor 3
P0056	HO2S Heater Control Circuit	Bank 2 Sensor 2
P0057	HO2S Heater Control Circuit Low	Bank 2 Sensor 2
P0058	HO2S Heater Control Circuit High	Bank 2 Sensor 2
P0059	HO2S Heater Resistance	Bank 2 Sensor 1
P005A	"B" Camshaft Profile Control Performance/Stuck Off	Bank 1
P005B	"B" Camshaft Profile Control Stuck On	Bank 1
P005C	"B" Camshaft Profile Control Performance/Stuck Off	Bank 2
P005D	"B" Camshaft Profile Control Stuck On	Bank 2
P005E	Turbocharger/Supercharger Boost Control "B" Supply Voltage
P005F	Turbocharger/Supercharger Boost Control "B" Supply Voltage Circuit High
P0060	HO2S Heater Resistance	Bank 2 Sensor 2
P0061	HO2S Heater Resistance	Bank 2 Sensor 3
P0062	HO2S Heater Control Circuit	Bank 2 Sensor 3
P0063	HO2S Heater Control Circuit Low	Bank 2 Sensor 3
P0064	HO2S Heater Control Circuit High	Bank 2 Sensor 3
P0065	Air Assisted Injector Control Range/Performance
P0066	Air Assisted Injector Control Circuit or Circuit Low
P0067	Air Assisted Injector Control Circuit High
P0068	MAP/MAF - Throttle Position Correlation
P0069	Manifold Absolute Pressure - Barometric Pressure Correlation
P006A	MAP - Mass or Volume Air Flow Correlation	Bank 1
P006B	MAP - Exhaust Pressure Correlation
P006C	MAP - Turbocharger/Supercharger Inlet Pressure Correlation
P006D	Barometric Pressure - Turbocharger/Supercharger Inlet Pressure
P006F	Turbocharger/Supercharger Boost Control "A" Supply Voltage Circuit High
P007C	Charge Air Cooler Temperature Sensor Circuit Low	Bank 1
P007D	Charge Air Cooler Temperature Sensor Circuit High	Bank 1
P007E	Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic	Bank 1
P007F	Charge Air Cooler Temperature Sensor Bank1/Bank2 Correlation
P0080	Exhaust Valve Control Solenoid Circuit High	Bank 1
P0081	Intake Valve Control Solenoid Circuit	Bank 2
P0082	Intake Valve Control Solenoid Circuit Low	Bank 2
P0083	Intake Valve Control Solenoid Circuit High	Bank 2
P0084	Exhaust Valve Control Solenoid Circuit	Bank 2
P0085	Exhaust Valve Control Solenoid Circuit Low	Bank 2
P0086	Exhaust Valve Control Solenoid Circuit High	Bank 2
P0087	Fuel Rail/System Pressure - Too Low
P0088	Fuel Rail/System Pressure - Too High
P0089	Fuel Pressure Regulator 1 Performance
P008A	Low Pressure Fuel System Pressure - Too Low
P008B	Low Pressure Fuel System Pressure - Too High
P008C	Fuel Cooler Pump Control Circuit/Open
P008D	Fuel Cooler Pump Control Circuit Low
P008E	Fuel Cooler Pump Control Circuit High
P008F	Engine Coolant Temperature/Fuel Temperature Correlation
P0090	Fuel Pressure Regulator 1 Control Circuit/Open
P0091	Fuel Pressure Regulator 1 Control Circuit Low
P0092	Fuel Pressure Regulator 1 Control Circuit High
P0093	Fuel System Leak Detected - Large Leak
P0094	Fuel System Leak Detected - Small Leak
P0095	Intake Air Temperature Sensor 2 Circuit	Bank 1
P0096	Intake Air Temperature Sensor 2 Circuit Range/Performance	Bank 1
P0097	Intake Air Temperature Sensor 2 Circuit Low	Bank 1
P0098	Intake Air Temperature Sensor 2 Circuit High	Bank 1
P0099	Intake Air Temperature Sensor 2 Circuit Intermittent/Erratic	Bank 1
P009A	Intake Air Temperature/Ambient Air Temperature Correlation
P009B	Fuel Pressure Relief Control Circuit/Open
P009C	Fuel Pressure Relief Control Circuit Low
P009D	Fuel Pressure Relief Control Circuit High
P009E	Fuel Pressure Relief Control Performance/Stuck Off
P009F	Fuel Pressure Relief Control Stuck On
P00A0	Charge Air Cooler Temperature Sensor Circuit	Bank 2
P00A1	Charge Air Cooler Temperature Sensor Circuit Range/Performance	Bank 2
P00A2	Charge Air Cooler Temperature Sensor Circuit Low	Bank 2
P00A3	Charge Air Cooler Temperature Sensor Circuit High	Bank 2
P00A4	Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic	Bank 2
P00A5	Intake Air Temperature Sensor 2 Circuit	Bank 2
P00A6	Intake Air Temperature Sensor 2 Circuit Range/Performance	Bank 2
P00A7	Intake Air Temperature Sensor 2 Circuit Low	Bank 2
P00A8	Intake Air Temperature Sensor 2 Circuit High	Bank 2
P00A9	Intake Air Temperature Sensor 2 Circuit Intermittent/Erratic	Bank 2
P00AA	Intake Air Temperature Sensor 1 Circuit	Bank 2
P00AB	Intake Air Temperature Sensor 1 Circuit Range/Performance	Bank 2
P00AC	Intake Air Temperature Sensor 1 Circuit Low	Bank 2
P00AD	Intake Air Temperature Sensor 1 Circuit High	Bank 2
P00AE	Intake Air Temperature Sensor 1 Circuit Intermittent	Bank 2
P00AF	Turbocharger/Supercharger Boost Control "A" Module Performance
P00B0	Turbocharger/Supercharger Boost Control "B" Module Performance
P00B1	Radiator Coolant Temperature Sensor Circuit
P00B2	Radiator Coolant Temperature Sensor Circuit Range/Performance
P00B3	Radiator Coolant Temperature Sensor Circuit Low
P00B4	Radiator Coolant Temperature Sensor Circuit High
P00B5	Radiator Coolant Temperature Sensor Circuit Intermittent/Erratic
P00B6	Radiator Coolant Temperature/Engine Coolant Temperature Correlation
P00B7	Engine Coolant Flow Low/Performance
P00B8	MAP - Mass or Volume Air Flow Correlation	Bank 2
P00B9	Low Pressure Fuel System Pressure - Too Low, Low Ambient Temperature
P00BA	Low Fuel Pressure - Forced Limited Power
P00BB	Fuel Injector Insufficient Flow - Forced Limited Power
P00BC	Mass or Volume Air Flow "A" Circuit Range/Performance - Air Flow Too Low
P00BD	Mass or Volume Air Flow "A" Circuit Range/Performance - Air Flow Too High
P00BE	Mass or Volume Air Flow "B" Circuit Range/Performance - Air Flow Too Low
P00BF	Mass or Volume Air Flow "B" Circuit Range/Performance - Air Flow Too High
P00C0 – P00FF	ISO/SAE Reserved
Code not found