1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Deville 94 4.9 issue in Past Cadillac Vehicle Discussion; My deville 2 days ago started to run like weird!! on park, it run ok but on drive (or reverse) ...
- 07-24-13 01:42 PM #1Cadillac Owners Member
- Automobile(s): deville sedan 1994 4.9L
- Join Date
- Jul 2013
Deville 94 4.9 issue
My deville 2 days ago started to run like weird!! on park, it run ok but on drive (or reverse) when giving some throttle, its starting shuddering, its hard to describe it gives some hit at throttle, and i have no trouble code, i checked fuel pressure it its ok, spark plug are ok , vaccum looks ok i dont know about injector, i currently have no live trouble code but has p044 p046 in historic thanks for your help!
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- 07-24-13 04:01 PM #2
Re: Deville 94 4.9 issue
How do you know the spark plugs are OK? Sounds to me like it might be time for a tuneup and that would include plugs, wires, cap & rotor.