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1999 Cadillac DeVille 4.6L Misfire
Posted to GM Driveability on 5/9/2008 8 Replies

Group,

A misfire on 1 entire bank on a new engine...

Installed new factory longblock for headgasket issues and smoke. Installation went smooth dropping cradle. New Delco secondary plugs and wires, routed and sheilded. Have a misfire only at idle and smooth w...

8 Replies Received (View Replies)

  Related Documents & Media  1999 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1999 Cadillac DeVille

VIN 1G6KD54Y9X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Idle

Trouble Codes

1376ignition module grounding issue
300Brandom misfire on rear bank 1-3-5-7 only
Message Closed w/FIX

car Vehicle Data

1999 Cadillac DeVille

VIN 1G6KD54Y9X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways, Idle

Trouble Codes

1376ignition module grounding issue
300Brandom misfire on rear bank 1-3-5-7 only