Question about 2003 Chevrolet Suburban 1500

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My oil pressure guage pegs

Oil levels are good & there is no overheating.

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  • Anonymous Feb 09, 2009

    Same issue. Guage is pegged and the temp is normal and oil is topped up.

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Pull the sensor out of the engine and install another to see if it has gone bad. If this is helpful, post as such.TY

Posted on Jan 25, 2009

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3 Answers

Oil pressure or temperature can cause overheating problem?


Low oil level can cause an engine to run hot but the pressure must be extremely now for that to cause a rise in operating temperature. Naturally, if the temperature is high on the guage, the engine is already overheating, and there are a multitude of reasons why an engine could overheat, from silly things like low tyre pressures to low coolant levels and water leaks. If you like, come back with some more specific information and lets see if we can put a finger on your problem.

Mar 04, 2011 | 1998 Cadillac Catera

1 Answer

Check guages light keeps coming on when i am in park or have my foot on the breaks it is a 2002 chevy trailblazer.


I would check my oil pressure gauge and the oil level as well. the fuel level guage also malfunctions on those models so make sure it is working properly and not floating from full to empty that will cause the light to come on as well as overheating of the engine(low coolant levels)low oil level,low fuel level,and low charging volts from your alternator.if all is well suspect a short in dash.

Jan 21, 2011 | 2002 Chevrolet TrailBlazer

2 Answers

Oil pressure guage has pegged on the high side. Would this be caused by a faulty Oil pressure sending unit? Engine is not overheating and seems to be running fine.


Bad sender is most likely, but could also be stuck oil pressure relief valve. You need to be sure, or the pump could break and destroy the engine.
Try a cheap mechanical gauge instead, screwed into the sender hole. If pressure good there, then check the sender with ohmmeter. If 0 or infinite ohms, replace sender. If not, see if gauge drops to 0 when sender disconnected. If not, then gauge bad.

Aug 10, 2010 | 2003 Chevrolet Silverado 1500

2 Answers

Oil gauge keeps coming on, loss in oil pressure


low oil pressure,mainly its thin dirty oil, pump needs servicing/replacing,pressure release spring,weak

Jul 05, 2010 | 1999 Toyota Camry

1 Answer

Oil guage drops then goes to high range


sounds like your sending unit needs to be replaced cheap fix and if your oil pump losses all its pressure you will begin to hear knocking coming from your motor from the top under the heads.

May 27, 2010 | 1991 Buick Park Avenue

1 Answer

Oil pressure guage pegs out when I accelerate--WHY


Check wiring to sensor on motor clean or replace.If that is OK.then consider: older high mileage cars will start to ware their bearing and causing more back pressure under load, you may have to live with it. Unless you what to rebuild motor.

Jan 13, 2010 | 1993 Jeep Grand Cherokee

1 Answer

The oil pressure guage on my 2006 nissan frontier is reading very high after recently changing the oil, however, the correct amount of oil was added during the change. Furthermore the oil dipstick...


The guage may rise a little when you accelerate the vehicle...but if it is pegged high, and does not fluctuate, when you turn your ignition key on an off...Your oil pressure switch maybe going bad...Goodluck

Dec 04, 2009 | 2006 Nissan Frontier

1 Answer

Where is the oil level sensor located? oil guage wiggles between 40 & 60 at idle and stays on 60 on the road.


That's not oil level you see on the gauge -- that is oil pressure in pounds per square inch (PSI). It is normal for the pressure to fluctuate when the engine RPM goes down. If it stays on 60 PSI on the road, you are very lucky -- that is excellent oil pressure!

May 28, 2009 | 1999 GMC Sierra

1 Answer

When my truck gets real hot the oil preasure guage starts bouncing when truck idles as soon as truck is put into park or is reved up a bit it stops bouncing


You may have a Faulty Oil Pressure Sender.
Here are some reason why your guage is bouncing:
  • Corrosion or faulty electrical connections
  • If the oil pressure gauge is pegged low after the engine is running, or is pegged high after the engine is running, or if there is intermittent illumination of an oil pressure indicator light, the sender could be faulty
You can find the oil sensor on the left hand side near the Oil Filter, as long as you don't hear your lifters ticking and making lots of noise. it's not your oil pump failing. 
Good luck and hope this helps

Apr 23, 2009 | Ford F-150 Cars & Trucks

1 Answer

2004 DuraMx dual cab oil pressure guage pegs ''6 o'clock'' running


YES this is where I would start ALONG WITH A MANUAL PRESSURE TEST if Sending unit doesnt and Pressure test is GOOD ,Replace the Meter in Insrtament Cluster
I Have Pics but they will not show up in FixYa
The Oil Pressure sensor is on the Back of engine Looks like Left side 3 wire plug on 4.8L 5.3L 6.0L Can Email Pic with your Address

Nov 13, 2008 | 2004 GMC Sierra

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