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My vehicle stalls when idling it idles rough and.

Tiny
JWILSON31
  • MEMBER
  • 2002 MERCURY MOUNTAINEER
  • 123,000 MILES
My vehicle stalls when idling it idles rough and stalls frequently. The service engine lights been on and I've replaced the erg vacuum regulator and idle temperature valve. Those are the codes that came up when I had the codes read. I had a mechanic check it out and he found no leaked or anything wrong when he did a diagnostic and said it was fine. I picked it up from the shop and it stalled after about ten minutes of driving when I was still.
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Saturday, March 16th, 2013 AT 1:01 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Have you checked for vacuum leaks and the IAC? (Idle air control valve)
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Saturday, March 16th, 2013 AT 2:00 AM
Tiny
JWILSON31
  • MEMBER
  • 2 POSTS
There are no leaks and I replaced the idle air control valve. The engine light came back on for the erg vacuum regulator I've already replaced.
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Tuesday, March 26th, 2013 AT 3:01 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
When you replaced the EGR, did you clean all the carbon from the intake?
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Wednesday, March 27th, 2013 AT 12:33 AM

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