Engine intermittently will not idle?

1997 DODGE RAM
56,000 MILES • V8 • 4WD • AUTOMATIC
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JOHNJOHN29
  • MEMBER
  • 1 POST
Engine will not idle (intermittent), but will restart immediately. NO check engine light. I have looked for vacuum leaks but can't find any. This happens for a week or so then is okay for awhile. Then the problem re-occurs.

When it first occured, I put a can of "Seafoam" fuel injector cleaner in the fuel tank then drove it for about 400 miles. This did not help.

Please help!

Thanks,

-John
Dec 17, 2007 at 12:16 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the idle air control motor, throttle position sensor and the coolant temperature sensor to include the EGR
Dec 17, 2007 at 8:21 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,691 POSTS
I agree with RASMATAZ, it sounds like the IAC valve is dirty or needs replacement, this guide can help you as well,

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

here is the location of the IAC valve so you can check it out. Check out the images (below). Please let us know what happens.

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Dec 2, 2024 at 9:16 AM
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