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
P1157
HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
Chevrolet
Fuel and Air Metering
Medium severity
P1166
Air/Fuel Ratio Sensor 1 Heater Circuit Malfunction
Chevrolet
Fuel and Air Metering
High severity
P1177
O2 Correction Behind Catalyst B1 Limit Attained
Chevrolet
Fuel and Air Metering
Medium severity
P1183
Engine Oil Temperature Sensor Circuit Malfunction
Chevrolet
Fuel and Air Metering
Medium severity
P1187
Engine Oil Temperature Sensor Circuit Low Voltage
Chevrolet
Fuel and Air Metering
Medium severity
P1192
Electronic Throttle System Limp home - Target Follow Malfunction
Chevrolet
Fuel and Air Metering
High severity
P1194
Throttle Actuator Control System Limp Home-Throttle Position Sensor 2 Position Malfunction
Chevrolet
Fuel and Air Metering
High severity
P1198
O2S Heater Circuit Bank 1 Sensor 2 Electrical Malfunction
Chevrolet
Fuel and Air Metering
Medium severity
P1199
O2S Heater Circuit Bank 2 Sensor 2 Electrical Malfunction
Chevrolet
Fuel and Air Metering
Medium severity
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