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03-27-2011, 04:38 PM #1
- Join Date
- Mar 2011
95 Yukon 350 runs awful and dies at highway operating temps
Very inconvenient problem. I have not been able to get any codes from 95 model computer other than o2 sensor which I replaced and no help. Service engine light comes on routinely. At highway temps it suffers loss of power not unlike a choke stuck or just bad out of time. After cool off period goes back to normal running, not great but normal for this truck. Truck has 235k miles, all stock, recent tune up. Problem seems to be getting worse as originally it would fail to start on highway runs after pit stop. Now loses power and dies on the freeway!!! In Atlanta!!! Yikes!!! Runs rough, smells rich and goes dead until cools off.
Thanks for any help!
---------- Post added at 04:38 PM ---------- Previous post was at 03:23 PM ----------
It has been suggested that I possibly have a bad Ignition control module or a bad coil. I should remove the ICM and have it tested and if it is good then replace the coil. What do y'all think!!!
Last edited by DelHenry; 03-27-2011 at 04:26 PM. Reason: icon
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