1991 Ford F-150 2 Dr XLT Lariat Standard Cab 4x4

Asked by Feb 16, 2007 at 08:05 PM about the 1991 Ford F-150

Question type: Maintenance & Repair

My truck got 170.000 miles recently the oil pressure get very low when I stop then gets better when i drive. What in the world could that be.And i put in a new oil pressure reg that didnt help much because the truck got warmer then it  started doing it again.Please tell me that its not a tired engine.

2 Answers


Hello, Here is some great information about oil pressure problems in the 1991 Ford F150. I hope this helps! http://autorepair.about.com/library/a/1g/bl625g.htm Best of luck! CarGrrl

5 of 5 people found this helpful.

have you tried checking your oil pump for a clog scren

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