Thermostat stuck or not??

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09-18-2014, 12:02 PM

#16

dave1123

Old fart with a wrench

Join Date: Nov 2010

Location: Manlius, east of Syracuse, NY

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Year: 2000 XJ Sport & WJ Laredo

Model: Grand Cherokee (WJ)

Engine: 4.0L

Quote:

Originally Posted by bigbadon

Don't trust your gauge as being accurate. My gauge reads left of center (about190) but a scan tool reads dead nuts 210.

And I'll bet it's an after-market temp sensor.

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09-18-2014, 04:23 PM

#17

bigbadon

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Year: 2004

Model: Grand Cherokee

Engine: 2000 4.0

Quote:

Originally Posted by dave1123

And I'll bet it's an after-market temp sensor.

No. ecm reads 210 with scan tool so gauge most likely in error. They both use the same sensor.

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