Having problems with your 1990 Ford F150 ?

My oil gauge isnt working at all - 1990 Ford F150

Posted / edited by AnonymousUser on : 01-06-2020

Answers :

Either the gauge or the oil pressure sending unit has gone bad. Most likely the sending unit has gone bad.
Check if the sender is working. What type of gauge is in the truck? If it is an electronic type like the gas gauge, you can use an assistant and ground the sender lead with a resistor (100 ohm 1/2 w) and see if the gauge moves. If it does, then the sender is bad. If it does not, then the gauge or wiring could be at fault.

Most cases it is just the sender.

Thanks, Jim
Repair Help & Product Troubleshooting for 1990 Ford F150

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