Having problems with your 2008 GMC Sierra 1500 ?
2008 gmc sierra has no code but when out door temp gets around 60 tep gage gos died and fans run non stop. tells intrament panel engine hot air condition turn off untill weather warms up. so i replace temp sending unit. no effect. engine never got hot ether.
Repair Help & Product Troubleshooting for 2008 GMC Sierra 1500
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