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Chevrolet Engine Codes

Engine Code Engine Code Description
P1221 Throttle Position (TP) Sensor 1- 2 Correlation
P1222 Injector Control Circuit Intermittent
P1225 Injector Circuit Cylinder 2 Intermittent
P1228 Injector Circuit Cylinder 3 Intermittent
P1231 Injector Circuit Cylinder 4 Intermittent
P1234 Injector Circuit Cylinder 5 Intermittent
P1237 Injector Circuit Cylinder 6 Intermittent
P1240 Injector Circuit Cyllinder 7 Intermittent
P1243 Injector Circuit Cylinder 8 Intermittent
P1245 Intake Plenum Switchover Valve
P1250 Early Fuel Evaporation Heater Circuit
P1257 Supercharger System Overboost
P1258 Engine Coolant Overtemperature - Protection Mode Active
P1260 Last Test Failed SCC Or Theft Detected, Vehicle Immobilized
P1270 Accelerator Pedal Position Sensor A/D Converter Error
P1271 APP Sensor 1-2 Performance
P1272 Accelerator Pedal Position Sensor 2
P1273 Accelerator Pedal Position Sensor 1
P1274 Injectors Wired Incorrectly
P1275 Accelerator Pedal Position (APP) Sensor 1 Circuit
P1276 Accelerator Pedal Position (APP) Sensor 1 Performance
P1277 Accelerator Pedal Position Sensor 1 Circuit Low Voltage
P1278 Accelerator Pedal Position Sensor 1 Circuit High Voltage
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