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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...

Search Auto Parts Search Oil pressure goes up and down not related to RPM Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Engine Troubleshooting purgstaller New User Dec 27, 2007, 11:45 PM Post #1 of 3 (1320 views) Oil pressure goes up and down not related to RPM Sign In Hi I am sure this question was asked before but the forum is soooo big and I couldn’t find the answer. I have a 1985 isuzu trooper and my oil pressure gauge is showing me everything from 3 to 8 (which is the highest). My mechanic says it is OK but I don’t know as it is not directly related to the RPM’s the engine does. I don’t use more oil than normal for such an old car though. Any ideas? Tom Greenleaf Ultimate Carjunky / Moderator Dec 28, 2007, 1:50 AM Post #2 of 3 (1318 views) Re: Oil pressure goes up and down not related to RPM Sign In Could be a few things. Bad sender or gauge, sludge messing up the program or perhaps oil pump has issues. I'd take a good look at the oil, dipstick, under oil fill cap and inside there for evidence of sludge. I don't suggest trying to flush out sludge if you think that may be the problem but rather change the oil very frequently for a while as the new oil and a new filter each time will gently clean up the show if not too far gone, T DanD Veteran / Moderator Dec 28, 2007, 5:26 AM Post #3 of 3 (1316 views) Re: Oil pressure goes up and down not related to RPM Sign In I would have your mechanic test the actual oil pressure with an external test gauge; this would confirm whether it was a mechanical issue or an electrical one. Dan. Canadian "EH"   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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