'99 Silverado 1500 runs very badly

Asked by GuruWPB28 May 19, 2018 at 07:03 AM about the 1999 Chevrolet Silverado 1500 RWD

Question type: Maintenance & Repair

Pulling onto a crossroad I felt a definite change in power delivery. Not
necessarily less, but certainly different. Also noticed a clicking/rattling noise
that changed with RPMs while at a red light. Truck runs incredibly rough
when it runs, which isn't often. Smells like fuel when it runs and sounds like
an exhaust leak near passenger firewall. I checked the plugs and all are
decent. Truck only starts on occasion now. It has 105K on the odo. Manual
trans on a 4.8 Vortec.

2 Answers

GuruWPB28 answered 6 years ago

Feels like it has a nasty miss on at least one cylinder. I guess it could be a plugged exhaust system. I will look into that

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