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2001 Cadillac DeVille DHS 4.6L Misfire
Posted to GM Driveability on 1/6/2009 12 Replies

Car orginally (08-2007 - 125,000km's) came in with misfire on #8 cylinder. Tested. Front coil was faulty. Replaced spark plugs (original), plug boots and front coil.

Car returned with misfire & po300 (10/2007 - 126,600km's). Tested, #2 cylinder misfire. Repla...

12 Replies Received (View Replies)

  Related Documents & Media  2001 Cadillac DeVille DHS

 
Message Closed w/FIX

car Vehicle Data

2001 Cadillac DeVille DHS

VIN 1G6KE54Y31
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
Misc.Dhs

Trouble Codes

1381cylinder misfire abs/pcm data loss
P0301Cylinder 1 Misfire Detected
P0302Cylinder 2 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2001 Cadillac DeVille DHS

VIN 1G6KE54Y31
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
Misc.Dhs

Trouble Codes

1381cylinder misfire abs/pcm data loss
P0301Cylinder 1 Misfire Detected
P0302Cylinder 2 Misfire Detected