Mechanics

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

1991 Cadillac Deville • 15,600 miles

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.

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Dsavag69
February 16, 2012.



I would have the coils tested

Billymac
Feb 16, 2012.
You should have it scoped for checking the ingition system.

Cadieman
Feb 16, 2012.