Car idles very rough

Tiny
DOMINICKLUVERO
  • MEMBER
  • 1992 CADILLAC DEVILLE
  • 105,000 MILES
1992 cadillac deville 4.9 litre runs ok but idles very rough. New distributor cap, rotor, coil, plugs and wires. Fuel injectors cleaned. New air filter computer codes say everythings ok. What am I missing?
please help
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Friday, April 6th, 2012 AT 1:27 AM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Common for intake manifold gasket leaks. You cant here it or smoke it as it leaks under the valve covers. Get a shop to help you with this repair.

Roy
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Friday, April 6th, 2012 AT 1:58 AM

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