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2002 Cadillac DeVille DHS 4.6L Misfire
Posted to GM Driveability on 3/18/2008 8 Replies

I have a missifire on #5 cylinder only at times under 4th gear light load and when decelling and light throttle in OD. I have swapped coil cassettes, replaced spark plugs and boots on all odd # cyls (so I would'nt have to pull that rear cassette again), perfor...

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  Related Documents & Media  2002 Cadillac DeVille DHS

 
Message Closed w/FIX

car Vehicle Data

2002 Cadillac DeVille DHS

VIN 1G6KE57Y12
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Decel, Cruise
Misc.Dhs

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Cadillac DeVille DHS

VIN 1G6KE57Y12
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Decel, Cruise
Misc.Dhs

Trouble Codes

P0300Multiple Misfire Detected