Tahoe won’t start when it’s hot outside

6.0mar

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I have a 2010 Tahoe LT 5.3 liter 4wd, It has a issue. it fails to turn on when it’s hot outside runs good recently replaced battery to see if it would fix the issue but it didn’t. Truck runs good and never fails to start when the temperature drops. All of a sudden when it’s hot out, it won’t start no crank. What I do get is a “Service 4 wheel drive” light
 

zora

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You have a starter relay in the engine compartment fuse box. Switch it with another relay in the box with the same markings.
Have the message scanned to see if it's related to your problem.
 
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