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2003 Cadillac Seville STS 4.6L MIL Lamp on
Posted to GM Driveability on 12/1/2014 23 Replies

What am I overlooking with this caddy. Car sets P0300 after a few minutes of driving. When I watch the misfire counters all cylinders clock misfires between 1800 and 3000 RPM's. The engine is not misfiring but the counters are counting up on all cylinders. The...

23 Replies Received (View Replies)

  Related Documents & Media  2003 Cadillac Seville STS

 
Message Closed w/FIX

car Vehicle Data

2003 Cadillac Seville STS

VIN 1G6KY54963
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Cadillac Seville STS

VIN 1G6KY54963
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected