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2003 Cadillac Seville STS 4.6L Misfire, MIL Lamp on
Posted to GM Driveability on 7/11/2007 6 Replies

Computer Scan, Miss #5 cyl., compression test was good. Fuel pressure was good. Swapped spark plugs to other cylinders, swapped spark plug boots to other cylinders. Tested & lab scoped fuel injectors, swapped fuel injectors to other cylinders, checked with noi...

6 Replies Received (View Replies)

  Related Documents & Media  2003 Cadillac Seville STS

 
Message Closed w/Summary

car Vehicle Data

2003 Cadillac Seville STS

VIN 1G6KY54913
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursCold, Hot, Under Load, on Accel, Idle
Misc.Seville Sts

Trouble Codes

P0300Multiple Misfire Detected
P0305Cylinder 5 Misfire Detected
Message Closed w/Summary

car Vehicle Data

2003 Cadillac Seville STS

VIN 1G6KY54913
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursCold, Hot, Under Load, on Accel, Idle
Misc.Seville Sts

Trouble Codes

P0300Multiple Misfire Detected
P0305Cylinder 5 Misfire Detected