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1996 Cadillac DeVille 4.6L Misfire, MIL Lamp on, runs poorly cold
Posted to GM Driveability on 11/4/2003 6 Replies

car when came in ran pretty good when warm with check engine lit on w/ codes P0300 ,P0139 ,[...] FUEL PRESSURE TEST & FUEL INJECTOR TEST FOUND WITHIN SPECS. AFTER REPLACE O2 SENSOR RAN GOOD WARm about a week later was back for check engine light on customer to...

6 Replies Received (View Replies)

  Related Documents & Media  1996 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1996 Cadillac DeVille

VIN 1G6KD52YXT
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp on, Runs Poorly Cold
OccursAlways, Cold, Set Code After 15 Minutes of Operation

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1996 Cadillac DeVille

VIN 1G6KD52YXT
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp on, Runs Poorly Cold
OccursAlways, Cold, Set Code After 15 Minutes of Operation

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0300Multiple Misfire Detected