Engine Mechanical problem
1996 Ford Mustang 6 cyl Two Wheel Drive Automatic 140152 miles
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every time i drive my car my oil pressure gauge flutters with the rpms. when the rpms get below 1000 the oil pressure gauge drops to zero but above 1000 the oil pressure is fine. people have been telling me it is my oil pump and if it is what would i have to do to replace it myself?