1996 misfire

Asked by Jun 22, 2014 at 01:14 PM about the 1996 GMC Sierra 2500 2 Dr K2500 SLT 4WD Extended Cab LB HD

Question type: Maintenance & Repair

I put gas in went home. WEnt to start truck the next day it was hard starting rough idle,
was blowing smoke out tail pipe, didn't want to rev up. Made popping sound like a backfire
when you did finally get it to rev up. It will only rev up to 3500 RPM. And it works to get
there.

1 Answer

101,685

What color smoke?

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