Coolant Temperature Sensor 99-03 7.3L Powerstroke
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I tried using an aftermarket sender, even after being warned they don't usually work. But I thought for $7 I'd try it. It didn't work...
I used a paper clip in the wiring harness and turned the key in the ignition, guage jumps to the top. Guage is good, sender doesn't work.
Ordered Thai one from riff raff, they were the best price I could find for OEM anywhere except one shady eBay dealer. Ordered it, and it worked perfectly. Couldn't be happier.
Dealership sold me the wrong one. This one was the correct one and now my guage works.
I tried getting one from a local auto parts store but my coolant gauge would not move. It is aggravating because you loose antifreeze when you replace the sensor so doing it more than once stinks. This sensor already has thread sealant and is ready to go. I was so happy to see coolant gauge starting to move finally. This website is awesome