rough idle-no idle

250,000 MILES • 4.3L • V6 • 2WD • AUTOMATIC
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TDRAKE4405
  • MEMBER
  • 1 POST
Cleaned TBI, cleaned IAC and still wont idle. Poor power and rough acceleration. Where to start the process?
Dec 19, 2019 at 7:37 AM
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SCGRANTURISMO
  • ✓Experienced Mechanic
  • 4,897 POSTS
Hello,

This could be a problem with an intake/vacuum leak in your vehicle. Here is a link below to a guide explaining how to find a vacuum leak. Please pay special attention to the intake manifold section.

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please go through this guide and get back to us with what you are able to find out. We can go from there, if needed.

Thanks,
Alex
2CarPros
Dec 19, 2019 at 9:54 AM
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