Rough idle

Asked by Memssix Mar 15, 2019 at 08:52 PM about the 2005 GMC Sierra 1500

Question type: Maintenance & Repair

Idle is very rough. If you blow it out carbon
pours out of the exhaust. But it starts idling
rough again.

1 Answer

Sadly, the engine light isn’t on. Thanks for trying to help me!

Your Answer:

Sierra 1500

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