OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P1098
O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 2 Sensor 2
Mercedes Benz
Fuel and Air Metering
Medium severity
P1117
Engine Coolant Temperature Sensor Intermittent
Mercedes Benz
Fuel and Air Metering
High severity
P1119
Manifold Absolute Temperature Circuit High Input
Mercedes Benz
Fuel and Air Metering
High severity
P1122
Throttle Position Sensor Circuit Intermittent Low Voltage
Mercedes Benz
Fuel and Air Metering
High severity
P1124
Throttle Position Sensor Out of Self-Test Range
Mercedes Benz
Fuel and Air Metering
High severity
P1127
Exhaust Not Warm Enough Downstream O2 Sensor Not Tested
Mercedes Benz
Auxiliary Emissions Control
High severity
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