I've been noticing that my coolant temp gauge has been showing a low reading (130-140) so I'm suspecting a bad thermostat. Concurrently, the warning light illuminates. Can the low temp cause this? Thanks all. ('01 Grand Cherokee 70K)
***AVG certified virus-free***What warning light?
Was it the check engine light?
What code or codes show up?
Yes, if the PCM determines the engine coolant temp is staying cold too long.
Thanks...new thermostat solved the problem.
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