Temperature gauge issues
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Junior User
Joined: Sep 2006
Posts: 61
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Temperature gauge issues
I have a 1989 F150 5.8L. The engine light came on and I noticed the temperature gauge was pretty high. Soon it was all the way in the red. No steam or anything, just the gauge pegged. I stopped for a while to cool down and then started home again. As I was driving the gauge went way down to cool for 2 minutes and then back up. By thetimer I got home (2 miles) it was on red again. There is no other sign of overheating.
The top radiator hose was hot and the bottom was not too hot. I checked wires and all look ok. Could this be a bad sensor? Any suggestions?
The top radiator hose was hot and the bottom was not too hot. I checked wires and all look ok. Could this be a bad sensor? Any suggestions?
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
Check the fluid level after it cools down. If it's really low you found your overheating problem, but you still have a leak somewhere. If it's not low then you likely have a blown head gasket.
