Join Now
International Automotive Technicians Network
1997 Cadillac DeVille 4.6L Misfire
Posted to GM Driveability on 4/11/2007 11 Replies

Vehicle came in for misfire & engine light, retrieved code PO300 -Misfire is ONLY in cylinder #1 fuel pressure at specs, no vacuum leaks found -after checking voltages determined needed to replaced fuel injector, plugs & Wires - problem fixed??- sent vehicle w...

FIX posted 4/16/2007

11 Replies Received (View Replies)

  Related Documents & Media  1997 Cadillac DeVille

Message Closed w/FIX

car Vehicle Data

1997 Cadillac DeVille

Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
OccursIdle, at Low Idle

Trouble Codes

P0300Multiple Misfire Detected