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Backfire through exhaust after key off 120-130

posted by  122 and 940 and too many on  Wed Mar 17 11:05 CST 2010
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last visit: Mon Apr 25 13:12 CST 2011
[RELATED]


Some of the fans are known to cause this. If they're running when the engine switches off it tempotarily acts as a generator, back feeds into the system and causes an ignition pop.

It's also a party trick on the ignitor type ignitions.

Do check the basic timing settings though.






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