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1991 Cadillac Deville Repair Question


Topics covered: Compression, Compression test, No power.
Mileage: 15,600 miles.

Asked on February 16, 2012

1991 Cadillac Deville with 4.9 L engine. 156,000 miles Has a miss in cylinders 1, 2, & 8. I replaced plugs and wires. Did a compression test and it has 165 psi on all cylinders. In park it sounds like it has a lot of power when I rev it up, but I can only

Run good when in park but no power when in gear miss in cylinders 1,2, 8 replaced MAP sensor

did compression test, replaced plugs & wires pulled trouble codes E34, E52, E71.

Avatar Asked by dsavag69

Answer

Replied on February 16, 2012

i would have the coils tested

Tiny Answered by billymac (expert)
2,255 answers provided
Replied on February 16, 2012

you should have it scoped for checking the ingition system.

Tiny Answered by cadieman (expert)
2,864 answers provided