1995 Chevy Blazer missing low idel

Tiny
CAPT40
  • MEMBER
  • 1995 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
My chevy blazer misses in park and when im at a red light it almost stalls idel goes from about 900 to 500 or less up and down. Whem im giveing gas runs good, sometimes I think I feel a surge when changeing gears but idel and in drive stopped misses really bad. Have replaced o2 sencer egr valve and one other
Saturday, May 2nd, 2009 AT 7:26 AM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
If your check engine light is not on, then remove and clean the IAC (idle air control valve).

If problem persists, check fuel pressure with mechanical gauge, if OK, then check spark, it would be a possible ign. Module or coil.
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Saturday, May 2nd, 2009 AT 7:30 AM

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