Oil Gauge Problem

Capt.Trunks

Registered User
I have a issue with the oil pressure gauge with a 89 Auto SC, when i shift from park into any gear its fine but when i shift it into park it dropped below the red zone and shake's a little bit then raise's back up is that something i should be worried about? If so about how much am i looking at to fix it? please help me out with this one its gots me and the mechanic baffled witht he issue.... I just got the timeing cover reseald and a new water pump so if anyone knows I thank u
 
Assuming you have a stock oil pressure gage and sender, it is the sender. It is only an on off switch....above 7 PSI closed and upscale indication on the stock gage....below 5 PSI switch open...downscale indication and the Check Engine Light. You could also check the electrical connection to the oil pressure sender and ensure it is good before changine the sender.
 
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