trouble codes E34, E52 and E71.

1991 CADILLAC DEVILLE
15,600 MILES
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DSAVAG69
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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.

Feb 16, 2012 at 7:32 PM
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BILLYMAC
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i would have the coils tested
Feb 16, 2012 at 7:37 PM
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CADIEMAN
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you should have it scoped for checking the ingition system.
Feb 16, 2012 at 10:35 PM
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