Rough idle and surging

2003 CHEVROLET BLAZER
99,800 MILES • 4.3L • 6 CYL • 2WD • AUTOMATIC
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JANICE ROBINSON MITCHELL
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My vehicle has started idling rough after stopping at stop sign or red light no power, also surging.
Jun 14, 2018 at 9:09 PM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
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Hello, at 99,000 it sounds like you need a tune up with spark plugs. I would use OEm parts to make the job turn out well. After market stuff will make it run bad.

Here is a guide to help you get started:

https://www.2carpros.com/articles/how-to-tune-up-a-car-engine

Please run down this guide and report back.

Cheers, Ken
Jun 16, 2018 at 1:52 PM
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