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operating temp

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Old 01-21-2011, 05:11 PM
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Year: 1987
Model: Cherokee
Engine: 4.0
Default operating temp

In my 94 5.2 GC it wont get above 150ish on the temp gauge so im guess it has a stuck open t-stat, but will it running that cool cause crappy fuel mileage? I know on the newer cars it will I just didn't know about these ones, I just recently bought this so I don't know what there suppose to run at
Old 01-21-2011, 06:54 PM
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Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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Running too cool will in fact cause the mileage to be lower than if the engine were at operating temp.
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