Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
Chevrolet
>>
2002
>>
Impala Base, 3.4 E
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System Self-Diagnostics - 3.4L
>>
Diagnostic Tests
>>
DTC P0135: Ho2S Heater Performance
>>
Conditions For Setting DTC
Conditions For Setting DTC
The HO2S 1 heater current is not within the calibrated range.