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2003 Chevrolet Impala LS 3.8L I/M readiness
Posted to GM Driveability on 8/3/2015 5 Replies

Have replaced and tested pre catalyst O2 for P0135.

P0135 has run and passed. However O2 heater monitor will not run. O2 sensor monitor runs and passes. But O2 heater remains not ready.

Vehicle also does not get EVAP test to run. But I account that to the ...

5 Replies Received (View Replies)

  Related Documents & Media  2003 Chevrolet Impala LS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala LS

VIN 2G1WH52K43
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sfi
EmissionsOBD-II Compliant
SymptomsI/M Readiness
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0463Fuel Level Sensor Circuit High Voltage
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Impala LS

VIN 2G1WH52K43
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sfi
EmissionsOBD-II Compliant
SymptomsI/M Readiness
OccursAlways

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0463Fuel Level Sensor Circuit High Voltage