Question about 2004 Cadillac Escalade Esv

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2004 Cadillac Escalade Engine Stalling when idling in hot weather

I am having problems with my 2004 Cadiallac Escalade stalling in temperatures above 100 degrees if I spend time idling for periods of time like in stop and go traffic. I already replaced the fuel pump and it still stalls in high heat. The engine temp remains a normal 210 degrees on the guage. Also when it stalls I get a error on the dash that says "Service Stability." I keep trying to restart and it keeps stalling. Eventually after waiting a bit it will drive normally again as long as I don't let the truck idle while sitting still.

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Electronics supply place sell a spray that cools to -60f.
there is a component or device overheating,and if you spray freeze spray on the suspected items,the stalling will go away until it heats up again.

Posted on May 26, 2009

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Given your high guage temps of 210 degrees and high ambient temperature of 100 degrees, your engine's stalling can very likely be linked to either one of these three causes: 1) vapor lock; 2) percolation; or 3) PCV malfunction. Here's a really good diagnostic article that precisely addresses this issue of yours:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Stalls_When_Hot.htm

Hope this helps! Brad

Posted on May 26, 2009

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