Question about 2002 Toyota Tundra

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Oil pressure gauge

The oir pressure gauge is not working

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Oil sender unit possibly. Have seen problems with some of the Toyotas sender units before. Best to take the sender unit off and check the oil pressure to be safe so you do not cook the engine.

Posted on Mar 30, 2014

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Oil pressure gauge on 2007 mitsubishi shogun sport not working but no oil warning light. Anyone had similar issues?


As a first step you should have the pressure gauge sender unit replaced which has most likely failed prematurely. It is not an expensive part but the OP gauge will not work without it functioning.

If the gauge then shows no pressure I would also have a mechanic check the oil pressure on the vehicle with an independent gauge.

Nov 30, 2015 | Mitsubishi Cars & Trucks

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Has 358000 miles, just had leaks repaired. Twice since my oil pressure gauge reads no pressure but not all the time? Why


1. Oil Pressure Gauge Not Working You will notice this happens when your oil pressure gauge is not reading, whether the engine is turned off, idle or running. Try to step on the gas to rev up the engine. If the oil pressure gauge still doesn't change its reading, your gauge is busted. It's best to replace it as soon as possible because you won't have any idea if your car is already overheating or not.
2. Oil Pressure Gauge Reading Too Low When your engine is idle, the oil pressure gauge will have a low reading. When the engine starts running or when you're already cruising or on the freeway, your gauge's reading should have increased. If it stays on a low reading, then you now your oil pressure gauge is broken.
3. Oil Pressure Gauge Reading Too High Another common oil pressure gauge problem is when your oil pressure gauge is reading too high when your engine is idle or when it's turned off. Rep

Oct 24, 2015 | 2001 GMC Yukon XL

1 Answer

Oil pressure gauge not working


There is an electronic sender unit in the engine compartment that must be operational for the pressure gauge to work. If the unit has failed it needs to be replaced. Also check the wiring to and from the gauge.
I am assuming this is a gauge issue and that you have normal oil pressure in the engine and the oil pump is operating etc.

Feb 26, 2015 | Cars & Trucks

2 Answers

My 2001 Ford Ranger Edge oil pressure gauge has been jumping around all over the place. Took it in today and they said pump needs replacing... and that they had to remove the engine to do so at the tune of...


Your oil pressure gauge works with the oil pressure sensor, which is screwed into the block, to transmit a reading. A faulty oil pressure sensor can cause the reading on the gauge to be erratic. You may have a bad oil pressure sensor. You should also inspect the wires going to the sender to make sure they are not loose, corroded, or shorted. If a new sending unit doesn't work, you can check the oil pressure with a manual pressure gauge. Testing for oil pressure involves fitting the oil pressure gauge with an adapter. Then you will need to determine if you have a gauge problem or an actual oil pressure problem.

Oct 22, 2013 | Ford Cars & Trucks

1 Answer

Oil pressure high, oil level low


Oil pressure and oil level are two different creatures.

your oil gauge determines oil pressure while the oil can (red light on dash) indicates oil levels.

There are usually two different sensors but can gauge the same types of things. E.G. - If your oil is so low that your pressure gauge is affected this can cause engine failure. Thus--a good rule of thumb is to check your oil once a week as the oil pressure gauge and red oil can may not always work as intended.

I hope this helps!

Aug 13, 2012 | Cars & Trucks

1 Answer

My 1989 Ford Ranger 2.3L 2wd has a problem in the oil pressure area. The pressure gauge at idle says normal but when accelerating it goes past Low. I replaced the pressure sending unit and it didnt...


I would take the sender out and install a temporary manual gauge (we use a manual SW gauge connected to a 3' length of 1/4" high pressure hose). If the oil pressure is normal on the manual gauge then about the only thing left is the gauge itself.

Apr 16, 2011 | Ford Ranger Cars & Trucks

2 Answers

Oil Pressure gauge stuck at maximum, coolant gauge stuck at maximum, speedometer erratic (either not working or working after startup)


The oil pressure gauge on my 2003 Avalanche reads "0" and activates low oil pressure warning. Oil level is OK and engine does not sound like one with with no oil pressure; AKA no knocks or ticking. The mileage is 50,000 on this vehicle any ideas as I with no gauge I am leary of driving it? Please advise!

Jan 16, 2011 | 2003 Chevrolet Avalanche

1 Answer

Need air cindition recharge, don't have cash to take it someplace, can you help with instructions to do this


YOU NEED A R-134 GAUGE SET TO CHECK LOW PRESSURE SIDE AND HIGH PRESSURE SIDE.YOU ALSO CAN BUY A LITTLE CHEAPER GAUGE TO CHECK YOUR AC LOW BLUE SIDE AND HIGH RED SIDE AT ANY AUTO ZONE OR ADVANCE AUTO PARTS.WHAT YOU DO WHEN YOU GET YOUR GAUGE SET HOOK GAUGE TO LOW PRESSURE SIDE BLUE CAP PORT AND GAUGE TO HIGH SIDE PRESSURE RED CAP PORT.YOU CRANK CAR UP GET IT OPERATING TEMPERATURE.THEN TURN AC ON HIGH COOL LET RUN 3 TO 4 MINUTES.CHECK LOW SIDE GAUGE READING SHOULD BE 28 - 32 PSI. HIGH PRESSURE SIDE GAUGE SHOULD 199 - 228 PSI. THATS NORMAL CHARGE. SEE YOU CANT JUST RECHARGE AC SYSTEM UNTIL YOU CHECK IT FIRST YOU WILL DAMAGE SYSTEM .NOW YOU CAN GO TO AUTO ZONE PARTS BUY A CHARGE CAN WITH GAUGE AND HOSE.ATTACH TO IT.YOU NEED MORE THAN ONE CAN.WARNING MAKE COMPRESSOR IS RUNNING WHEN YOU TURN ON AC .BECAUSE IF COMPRESSOR NOT RUNNING CHECK FUSE AND AC COMPRESSOR RELAY.IF BOTH OKAY.YOU COULD HAVE OPEN CLUTCH COIL A FAULTY LOW PRESSURE SWITCH WILL CAUSE AC NOT TO WORK. IF LOW PRESSURE GAUGE BLUE SIDE PRESSURE IS 28 OR 30 YOU DONT NEED A CHARGE.PROBLEM SOME WHERE ELSE.BE SURE TO WEAR SAFETY GLASSES WHEN WORKING ON AC SYSTEM.

Jun 26, 2010 | 2004 Hyundai Elantra

2 Answers

Oil pressure gauge not working ,need to know location of same.


Oil Pressure Sensor Testing
  1. Check the oil level and correct as necessary. Turn the ignition switch on, but do not start the engine.
  2. Disconnect the sensor lead at the sensor. The gauge should read full scale.
  3. Ground the connector. The gauge should read at the bottom of the scale.
  4. If the gauge functions properly, replace the sensor.

4.8L, 5.3L & 6.0L Engines
  1. If necessary, remove the engine sight shield.
  2. Disconnect the oil pressure sensor electrical connector.
  3. Using J 41712 or equivalent, remove the oil pressure sensor.
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Using J 41712 or equivalent, remove the oil pressure sensor.

To install:
  1. Apply sealant to the threads of the oil pressure sensor.
  2. Using J 41712 or equivalent, install the oil pressure sensor.
    • Tighten the oil pressure sensor to 26 ft. lbs. (35 Nm).
  3. Connect the oil pressure sensor electrical connector.
  4. If necessary, install the engine sight shield.

Dec 07, 2009 | 2004 Chevrolet Avalanche

1 Answer

Oil pressure gauge issue


either gauge is bad or oil pressure sending unit

May 22, 2009 | 2005 Chevrolet Avalanche

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