1995 Chevy Blazer idle

1995 CHEVROLET BLAZER
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THEATH4
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  • 1 POST
Engine Performance problem
1995 Chevy Blazer 6 cyl Two Wheel Drive 2000 miles

What should I look at next, I have changed the CPI, the Ignition Control Module, the Idle air control valve, and the egr valve and my idle still surges badly at warm up, pretty steady after getting warm, I dont beleive I have a vacuum leak, cant hear one, any help would be aappreciated?
Dec 22, 2009 at 9:04 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Check and test the throttle position sensor/manifold absolute pressure sensor-to include a fuel pressure check-Vacuum leaks check with WD-40 around the upper/lower plenum, vacuum hoses. Also test the coolant temperature sensor-
Dec 22, 2009 at 12:45 PM
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