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P0178

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P0178 OBD-II Trouble Code: Fuel Composition Sensor Circuit Low Input
P0178 code definition Fuel Composition Sensor Circuit Low Input What the P0178 code means P0178 is a generic OBD-II code indicating that the diesel fuel sensor is giving a low input,...

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Question
Recently had the IMRC rotary valve assembly replaced. One day later and I'm getting P1078.
Hi there. Some additional diagnostic tests will be necessary to identify the problem. The P1078 testing diagrams show that there are possible issues with a solenoid valve, a sensor, a vacuum leak, or an electrical issue. A certified mechanic will...

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