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Old 05-17-2018, 10:30 AM   #1
zjwrekkr
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Default Engine light / thermostat

So when I chipped my jeep one of the specs was to put in a 180* thermostat. Ever since it keeps throwing the engine light. Two of the codes say that engine stayed cold for too long or engine didn't reach 176* within 20 minutes.
Any thought on getting around this. Right now my fix is electrical tape.
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Old 05-17-2018, 11:00 AM   #2
Blue XJ
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Go back to a higher thermostat and see what performance difference there is? Buy a different chip that resolves the CEL issue too?
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Old 05-17-2018, 01:41 PM   #3
nblehm
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P0128?

Put a stock thermostat back in it. No need for a lower one.
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Old 05-17-2018, 02:07 PM   #4
zjwrekkr
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Thanks for the feedback. If remember it was the P0128 code.
I think I'll just stick with the tape fix. I like the idea of running the a bit cooler when having to get into the throttle at slow speeds. This winter I was having to ram-rod through some deep snow and noticed the temp get over 210. It has a new pump and radiator.
Plus the thermostat is kind of a fukkr to replace on that thing.
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Old 05-17-2018, 06:54 PM   #5
myjeepsbigger
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Quote:
Originally Posted by zjwrekkr View Post
Thanks for the feedback. If remember it was the P0128 code.
I think I'll just stick with the tape fix. I like the idea of running the a bit cooler when having to get into the throttle at slow speeds. This winter I was having to ram-rod through some deep snow and noticed the temp get over 210. It has a new pump and radiator.
Plus the thermostat is kind of a fukkr to replace on that thing.
You probably had the radiator plugged full of snow.
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Old 05-18-2018, 07:25 AM   #6
zjwrekkr
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Nah, it wasnt that deep
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