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
P1149
Air/Fuel Ratio Sensor 1 Circuit Range/Performance
Chevrolet
Fuel and Air Metering
High severity
P1207
Fuel Injector Circuit Cylinder 7 Electrical Malfunction
Chevrolet
Injector Circuit
High severity
P1106
Manifold Absolute Pressure Sensor Circuit Intermittent High Voltage
Ford
Fuel and Air Metering
High severity
P1152
Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2
Ford
Fuel and Air Metering
Medium severity
P1167
Heated Rear Oxygen Sensor 2 Maximum Voltage Monitoring Bank 2
Ford
Fuel and Air Metering
Medium severity
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