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Old 04-29-2024, 01:21 AM   #17
jabborabbo
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Join Date: Apr 2013
Location: Podunk, Texas
Posts: 741
Re: overheating at idle

The temp idiot light in my 67 GMC L6 would come on at idle and go off when moving down the road - the reason turned out to be that I had a small exhaust manifold leak right over the sending unit….
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