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1996 Cadillac DeVille 4.6L Misfire, MIL Lamp on, Misfires at cold sta
Posted to GM Driveability on 5/6/2004 11 Replies

This is my wife's vehicle and we have had it since it was new. It has a long history of loosing coolant. It is believed all leaks have been [...] engine has never heated above normal. The problem is misfiring at cold start up. This began several months ago but...

Summary posted 6/1/2004

11 Replies Received (View Replies)

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car Vehicle Data

1996 Cadillac DeVille

Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp on, Misfires at Cold Sta

Trouble Codes

P0300Multiple Misfire Detected