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FRTD
Posted to Technical Discussion Forum on 9/5/2012 12 Replies

This came in this afternoon. I grabbed the scan tool and headed to the vehicle. Concern was extended cranking and rough idle. It cranked for a while and then hit. It had some random misfire codes and I could feel it missing. Scan tool showed cylinder 8, 6 and ... Login to read more.

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car Vehicle Data

1999 GMC Sierra 1500 SL 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1999 GMC Sierra 1500 SL 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)