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Old 11-26-2005, 10:12 PM
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Re: 1991 Buick Park Avenue Ultra Problems

Quote:
Originally Posted by sarotara
5 out of 6 of the spark plug wires had white deposits on the metal surfaces. One of them was rusting on the inside. I replaced all the wires and the car runs a bit better now (there is no vibration) however... it now periodically surges when steadily accelerating.
Haynes Repair Manual- Vehicle surges while holding accelerator steady:
1)Intake air leak
2)Fuel pump faulty
3)Loose fuel injector harness connections
4)Defective ECM
Check out the first 3, I doubt the ECM has a problem. Also, did you replace your plugs when you changed the wires?
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