Question about 2003 Chevrolet Suburban 1500

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My oil pressure gauge reads over 80. So i replaced the sending unit on top back of block and no change is there another sending unit or baybee its in the gauge itself????????????

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Hi, this is a pretty common problem on these Silverado instrument clusters. We can repair it for you or provide you with the parts to do it yourself. Click here to learn more about these Silverado instrument cluster problems: Dr Speedometer Instrument Cluster Repair Speedometer Repair Guage...

Posted on Nov 21, 2014

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It could be in the gauge itself, or it could be the BCM or body control module. If all of the other gauges and lights are working properly, then it is probably just the gauge itself. But the whole instrument panel will need replaced. It is all one unit.

Posted on Jan 03, 2011

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Sounds like your gauge is out of calibration. Replace the gauge or you can test with hand held oil press gauge.

Posted on Jan 03, 2011

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1 Answer

I have a 2004 Ford Explorer sport track, the oil pressure gauge went to zero back 1 month ago, we changed the oil sending unit, no change. Any ideas on what next?


You need to get an actual pressure test on the block to get an actual reading, because I would hate for you to have lubrication problems in the engine and blow the engine. If the gauge is stuck on zero try with the engine off and key on, ground the sending unit wire to the block and see if the gauge pegs to full. If it does not, replace the gauge and get it calibrated if it needs calibrating.

Mar 05, 2016 | 2004 Ford Explorer

1 Answer

WHATS A OIL SENDING UNIT


it is a pressure sensitive unit in the side of the block that register oil pressure in the oil galleys of the engine
in vehicles with an oil light only it will switch off once a preset pressure is reached and turn back on when the oil pressure falls below that pressure
on other vehicles with an oil pressure gauge, it is a variable resistor unit that changes the resistance of the power from the gauge as the oil pressure fluctuates so altering the reading on the gauge
it is a different unit to an oil pressure sensor which conveys readings to the ECM

Apr 28, 2015 | Cars & Trucks

2 Answers

I have a 2006 chevy silverado 5.3L..When in idle oil pressure gauge goes to 80 and when i accelerate ail pressure goes to zero ...is it the oil sending unit?


It could be the sending unit. If the truck is low on oil it will cause something similar. Be sure the oil level is topped up. The only way to be sure it so measure the actual oil pressure at the engine with a proper gauge..

May 07, 2011 | 2006 Chevrolet Silverado 1500 2WD

2 Answers

When I start my vehicle, Mmy oil pressure gauge goes to 80 and stays there.


Change oil pressure sending unit. This should clear your problem up. If you need assistance for removal and install I will be glad to help.

Sep 15, 2010 | 2003 Cadillac Escalade

1 Answer

Oil pressure gauge is reading 80 psi. I had the


The oil sending unit is located on the engine block behind the drivers cylinder head area.You have to climb up on the motor to see it cause it is hard to see behind the wiring harness.You may also want to purchase a new sending unit because it is very long and you might need to buy the sending unit socket to replace it.Hope this helps.Good luck.

Jul 20, 2010 | 2003 Chevrolet Silverado 1500

2 Answers

Oil pressure gauge shows 60-80


the oil sending unit that screws in the block beside the oil filter may be faulty,
the worst thing would be the oil pump its self the regulator valve on it

Jan 26, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Oil pressure gauge is always registering 0 or 80. is there a problem with the oil pressure sending unit? and if so where is it located so i can change it?


It is possilble there is a problem with it, the sending unit is located on the left rear top of the engine, behind the intake manifold mounted into the top of the block.

Dec 18, 2009 | 2004 Chevrolet Silverado

2 Answers

Fluctuation on the oil pressure gauge reading


The oil pressure sending unit is a sensor with an internal diaphragm, if the internal diaphragm is damaged , or the line to the diaphragm is blocked you can get this kind of fluctuation on the oil pressure gauge.

The oil pressure value must be read by installing a mechanical gauge near to the oil pressure switch and checking the pressure.

If pressure is ok, replace the sending unit. If there is a real pressure drop, check the oil pump.

If you still get fluctualtion after replacing the oil pressure sending unit, replace the oil pressure gauge.

Nov 24, 2008 | 2003 Toyota Sequoia

2 Answers

Oil pressure gauge reads 80(pegged),,oil tepm is 207....car runs great


it is probably the oil sending unit if you have access to a direct reading oil pressure gauge put it on and if oil pressure is reading normal replace sender

Nov 05, 2008 | 2000 Chevrolet Corvette

1 Answer

Low oil pressure


I believe your sending unit is located on the top of the block, towards the fire wall. You can get an inexpensive pressure test gauge and put in place of your sending unit. It should be a 1/4" NPT fitting. Does the pressure gauge fluctuate between low and high RPM? If so, chances are that your oil pump may need to be replaced.

Jun 29, 2008 | 1984 Chevrolet Camaro

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