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Cylider # 3 & 4 missfiring, spark plugs are.
2007 CHEVROLET SUBURBAN
Cylider # 3 & 4 missfiring, spark plugs are good, coils are good. What else could be?
have the same problem?
Monday, February 4th, 2013 AT 4:17 AM
Check spark plugs, compression and injector for these cylinders also refer to this walk thru link:
Monday, February 4th, 2013 AT 4:32 AM
to post a reply.
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