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Defrost causing misfire?
When i run my defroster my engine gets a misfire. This doesn't happen normally or with the ac on. What might cause this? Thank you
I have a gmc yukon 2002 5.3 2 wd
1 Answer
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- The DevilLv 72 years ago
You could have a failing charging system. Check the alternator, the battery and all the connections. Worn out sparkplugs will misfire. To narrow this down to a tighter problem site, pull the OBDii trouble codes.
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