All of sudden it started running rough and shaking?

1992 CHEVROLET SUBURBAN
200,000 MILES • V8 • 2WD • AUTOMATIC
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TOM HAYES 333
  • MEMBER
  • 2 POSTS
Runs rough first start it and u when you give it gas, just started doing this.
Mar 26, 2023 at 6:04 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,456 POSTS
It sounds like the engine is misfiring. I would do a full tune up.

Here is a guide to help:

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

Please go over this guide and report back.
Mar 27, 2023 at 1:08 AM
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