TROUBLE CODES E34, E52 AND E71.

1991 Cadillac Deville

Tiny

dsavag69

February, 16, 2012 AT 7:32 PM

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 runs 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.

FOUND 202 RELATED QUESTIONS

Compression Test

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2 Answers

Tiny

billymac

February, 16, 2012 AT 7:37 PM

I would have the coils tested

Tiny

cadieman

February, 16, 2012 AT 10:35 PM

You should have it scoped for checking the ingition system.

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