my buick century is a 3.1 fuel injected engine with a distributorless ignition system(uses coils). when i plugged in my scantool the ignition timing is set back 19 degrees. what components can cause that?
the timing is retarted by 19 degrees at idle
my scantool says -19.0 degrees
what is total advance
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07-11-2010, 11:55 AM #1
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what can cause the timing in my 96 buick century to be set back 19 degrees?
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