Oil pressure sending unit issue?
Thread Starter
Junior Member
Joined: Jul 2017
Posts: 77
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From: Northern NJ
Car: 1987 Z28 Vert Special Edition
Engine: 305 TPI LB9
Transmission: Auto
Oil pressure sending unit issue?
So today I changed my oil pressure sending unit because my gauge was really jumpy and inconsistent. However, now it stays in the red (roughly 10lbs I'd say) when I'm driving. When I let up on the gas it goes to zero. My sending unit was next to my distributor cap and I purchased a unit that is 0-60 which is what my gauge reads so I know it was the correct one. I'd like to know if anyone here has experienced anything similar and what was your remedy. Any help appreciated thanks.
Supreme Member
Joined: Oct 2004
Posts: 4,528
Likes: 240
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Oil pressure sending unit issue?
My oil pressure gauge reads about 20 PSI higher than my aftermarket mechanical gauge. Duralast sensor. I think they have a lifetime warranty maybe I should try swapping another
Joined: Feb 2017
Posts: 4,185
Likes: 576
From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Oil pressure sending unit issue?
Were you able to check for any crap in that passage where the sensor screws in?
When I changed my sending unit in my truck, the new one read way lower than previous.
Bring it back and try another sending unit.
When I changed my sending unit in my truck, the new one read way lower than previous.
Bring it back and try another sending unit.
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