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1999 Buick Park Avenue Repair Question


Topics covered: Spark, Ignition module.
Mileage: 177,000 miles.

Asked on December 26, 2012

Buick Park Avenue Spark Problem

How to get spark on cylinders 1&4?
No spark on cylinders 1&4.The wires and plugs were tested and are OK. Then scanner says multiple misses PO300. 3.8L.
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Answer

Replied on December 26, 2012

Swap the first coil with the second one and see if the miss moves to different cylinders. If it does, change the coil. If it doesn't, change the ignition module.

Tiny Answered by Wrenchtech (expert)
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