Re: ANOTHER "my '96 GMC idles high" thread...
You should verify the engine temp through the computer by using a OBD II scanner. I have one of these and Amazon and they give you a lot more diagnostic information than a cheapo scanner.
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1972 GMC Jimmy Custom 4.8L (L20)/6L90E/NP205
1989 Chevy Suburban V2500 350/Turbo 400/4.11 gears
1996 Chevy Suburban K1500 350/4L60E
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