LEMON Manuals
: Even more car manuals for everyone
Home
>>
Chevrolet
>>
2003
>>
Impala LS
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System Self-Diagnostics - 3.8L
>>
Diagnostic Tests
>>
DTC P0121: TP Sensor Performance
>>
Conditions For Setting DTC
Conditions For Setting DTC
The TP sensor voltage is more than a predicted value when the MAP is below 50 kPa.
The TP sensor voltage is less than a predicted value when the MAP is above 70 kPa.
Conditions are met for 10 seconds.