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Showing matches for "Mercedes-Benz E-Class".

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Fault CodeChassis / suspension

C1130: Chassis control or suspension pressure fault

A chassis or suspension control module has detected an implausible pressure, height, or control-state condition.

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Fault CodeVariable valve timing

P0011: Intake camshaft timing over-advanced, bank 1

The intake camshaft is more advanced than the ECU expects for the current operating condition.

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Fault CodeVariable valve timing

P0014: Exhaust camshaft timing over-advanced, bank 1

The exhaust camshaft position is more advanced than commanded or is slow to return to the expected position.

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Fault CodeEngine timing

P0016: Crankshaft / camshaft timing correlation

The ECU sees the crankshaft and camshaft signals outside their expected relationship.

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Fault CodeEngine timing

P0017: Crankshaft / camshaft timing correlation, bank 1 sensor B

The exhaust-camshaft and crankshaft signals on bank 1 are outside their expected relationship.

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Fault CodeOxygen sensing

P0030: Heated oxygen sensor heater control circuit, bank 1 sensor 1

The ECU detects an electrical fault in the heater circuit for the upstream oxygen sensor.

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Fault CodeAir metering

P0068: Throttle body airflow correlation

Throttle position, manifold pressure, and measured airflow do not agree with one another.

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Fault CodeFuel delivery

P0087: Fuel rail pressure too low

Measured fuel pressure fell below the pressure requested by the engine controller.

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Fault CodeFuel delivery

P0088: Fuel rail pressure too high

Measured fuel-rail pressure exceeds the value requested by the engine controller.

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Fault CodeFuel delivery

P0093: Large fuel-system leak detected

Fuel pressure is dropping at a rate that the ECU interprets as a major leak or excessive internal loss.

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Fault CodeAir metering

P0101: Mass-air-flow signal range / performance

Airflow reported by the MAF sensor does not agree with the ECU's calculated operating conditions.

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Fault CodeAir metering

P0106: Manifold absolute pressure range / performance

The MAP sensor signal does not match the pressure expected from throttle position, boost, engine speed, and airflow.

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Fault CodeAir metering

P0113: Intake-air temperature sensor circuit high

The ECU sees an intake-air temperature signal that is higher voltage than expected, often interpreted as an unrealistically cold reading.

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Fault CodeCooling system

P0118: Engine coolant temperature sensor circuit high

The coolant-temperature signal is implausibly high voltage, often read by the ECU as extremely cold coolant.

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Fault CodeThrottle control

P0121: Throttle / pedal position sensor range / performance

The ECU sees a throttle or accelerator-position signal that is outside the expected relationship.

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Fault CodeCooling system

P0128: Coolant thermostat below regulating temperature

The engine is taking too long to reach expected operating temperature or is running cooler than the ECU expects.

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Fault CodeOxygen sensing

P0130: Oxygen sensor circuit malfunction, bank 1 sensor 1

The upstream oxygen or lambda sensor signal is implausible, missing, or outside the control range expected by the ECU.

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Fault CodeOxygen sensing

P0135: Oxygen sensor heater circuit, bank 1 sensor 1

The upstream oxygen sensor heater circuit is not operating as expected.

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Fault CodeOxygen sensing

P0141: Oxygen sensor heater circuit, bank 1 sensor 2

The downstream oxygen sensor heater circuit is not reaching expected operation.

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Fault CodeFuel mixture

P0171: System too lean, bank 1

Fuel trim has reached a lean threshold because the ECU is adding more fuel than expected.

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Fault CodeFuel mixture

P0172: System too rich, bank 1

Fuel trim has reached a rich threshold because the ECU is removing more fuel than expected.

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Fault CodeFuel delivery

P0191: Fuel rail pressure sensor range / performance

The rail-pressure signal is implausible or does not follow commanded pressure correctly.

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Fault CodeCooling system

P0217: Engine coolant over-temperature condition

The engine controller recorded coolant temperature above its safe operating threshold.

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Fault CodeEngine speed sensing

P0335: Crankshaft position sensor circuit

The ECU is missing or cannot trust the crankshaft position signal.

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Fault CodeCamshaft sensing

P0340: Camshaft position sensor circuit, bank 1

The ECU is missing or cannot trust the camshaft position signal on bank 1.

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Fault CodeEGR

P0401: Exhaust-gas recirculation flow insufficient

Measured or inferred EGR flow is lower than the controller expects.

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Fault CodeEGR

P0402: Exhaust-gas recirculation flow excessive

The ECU detects more EGR flow than requested, often because the valve is not closing correctly.

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Fault CodeEGR

P0403: Exhaust-gas recirculation control circuit malfunction

The ECU detects an electrical fault in the EGR valve or its control circuit.

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Fault CodeSecondary air

P0411: Secondary-air injection incorrect flow

The ECU does not see the expected oxygen-sensor response when the secondary-air system runs on cold start.

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Fault CodeEmissions

P0420: Catalyst efficiency below threshold, bank 1

Upstream and downstream oxygen-sensor behavior suggests insufficient catalyst oxygen-storage performance.

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Fault CodeEVAP

P0441: EVAP purge flow incorrect

The fuel-vapor purge system flow is not matching the ECU's commanded behavior.

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Fault CodeEVAP

P0442: EVAP system small leak detected

The fuel-vapor system cannot hold the small vacuum or pressure change expected during the leak test.

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Fault CodeEVAP

P0455: EVAP system gross leak detected

The fuel-vapor system has a large leak or cannot seal during its self-test.

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Fault CodeEVAP

P0456: EVAP system very small leak detected

The fuel-vapor system has a very small leak during the ECU's leak test.

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Fault CodeExhaust / DPF

P0471: Exhaust pressure sensor range / performance

The exhaust-pressure sensor signal is implausible for engine load, speed, and DPF pressure conditions.

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Fault CodeIdle control

P0507: Idle control system RPM higher than expected

Idle speed is higher than the ECU's target after it has reached the limit of normal control correction.

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