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2003 Cadillac Deville 4.6L Valve Problem #3 Cylinder Exhaust Valves
Posted to GM Engine on 9/9/2004 3 Replies

Car ran poorly, 5" vacuum at intake. O2 semsors running rich with -33 STFT. Bad miss in #3 cylinder. Coil cassettes are ok, fuel pressure ok, injector patterns look the same on all injectors. Fuel pressure and volume test ok. Compression on #3 Cylinder is 0 wi...

3 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

2003 Cadillac Deville

VIN [No VIN Available]
Engine4.6 L / 8 cyl
DeliveryFI
AffectedValve Problem #3 Cylinder Exhaust Valves
ConditionsNo Compression #3 Cylinder
Misc.North Star Dohc
Message Closed w/FIX

car Vehicle Data

2003 Cadillac Deville

VIN [No VIN Available]
Engine4.6 L / 8 cyl
DeliveryFI
AffectedValve Problem #3 Cylinder Exhaust Valves
ConditionsNo Compression #3 Cylinder
Misc.North Star Dohc