AMC OBD Trouble Code 21

AMC Problems For OBD Code 21

throttle position sensor or circuit - voltage high

No ignition reference

Engine coolant temperature sensor

TPS ( Throttle position sensor ) - Out of range/Performance

O2S Stays at center
O2S shorted to voltage
O2 sensor does not detect rich or lean condition, or O2 sensor input voltage too high. DRB will indicate which side with dual sensors. The O2 senso

Check 21 OBD1 Code For All AMC Models

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