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Go in reverse sometimes it stalls?

Tiny
BRIBRI4275
  • MEMBER
  • 1998 CHEVROLET BLAZER
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 192,000 MILES
When I first start it then go in reverse sometimes it stalls. Also, when I put it into drive it doesn't go past 2,000 RPMs and it seems to lose power. What could cause this?
Monday, September 30th, 2024 AT 1:30 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 46,489 POSTS
It seems like you may have two problems but let's handle the stalling in this thread. I would first replace the IAC valve which should helps with the stalling. Here is a guide to go over as well and I have included two guides that can help as well.

https://www.2carpros.com/articles/stall-at-idle

And this guide can help get any codes that can lead us to the problem:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with. I would service (clean) the throttle bore and IAC passages as well.
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Tuesday, October 1st, 2024 AT 10:30 AM

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