H3 oil light

Asked by GuruLN97H Apr 13, 2019 at 05:56 PM about the 2007 Hummer H3 4 Dr Base

Question type: Maintenance & Repair

Has anyone found the solution for the H3 oil light
coming on in warmer weather?

1 Answer

GuruLN97H answered 4 years ago

I think we have found a fix for this issue on mine. The radiator wasn't working properly...replaced and replaced the oil sensor switch and over a month now, no light on! This took a lot of testing from my guys. The did every test possible to rule out what GM wanted to replace. Starting with a new engine, then a head gasket and cylinder head to other various things at a low cost of 20,000.00. Imagine if I had listened to them. I have Over 145,000 miles on it.

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