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03 h2 hummer oil pressure gauge not working - Cars & Trucks

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 59 Answers

SOURCE: high oil pressure in my humer h2

First thing that i would reccomend is switching to 5w30 oil since this is what GM wants you to run in your hummer. Next i assume your gauge is pegged out and doesn't fluctuate. You are going to have to take your hummer down to the local dealer and have a computer hooked up to see if the gauge is bad or the oil pressure sender is bad, more than likely the sender. thanks for using fixya !! have a nice day

Posted on Mar 15, 2009

theng_dag946
  • 3 Answers

SOURCE: Gas gauge and speedometer not working

for what i had experienced is to change the fuel sender unit and speedometer gauge and recalibrate the IPC to the latest calibration.

Posted on Jun 01, 2009

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  • 135 Answers

SOURCE: Oil Sensor light keeps coming on 2003 H2 Hummer

There is a sensor located on the oil pan. If the plug-in to this sensor comes loose it or if the sensor fails, it will send the low oil signal. You are wise to check the oil to confirm it is not low.

Posted on Jul 05, 2009

iambanshee74
  • 3489 Answers

SOURCE: where is the oil pressure switch for a 2003 h2

this should be right by the oil filter housing.

Posted on Jan 24, 2010

  • 33 Answers

SOURCE: 2003 h2 hummer low pressure on gauge less then 40

These vehicles have been known to have failure of servo motors that drive your guages and routinely read wrong is this your only guage issue I just replaced three of these servos on a freinds H2 the motors are about $2 on ebay

Posted on Feb 19, 2010

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1 Answer

Where's oil preassure sensor 2003 hummer 6.0L


your oil pressure sensor is not the problem. the motor that runs the gauge has failed. a replacement gauge cluster is the solution

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Why is my oil pressure gauge on my 2003 hummer h2 always read 80 when the vehicle is running, back to zero when shut off?


because when the engine is shut off, the oil pump is also shut off, therefore no oil pressure. no problem here!

Mar 24, 2010 | 2003 Hummer H2

1 Answer

2003 h2 hummer low pressure on gauge less then 40 can u help runs good and has plenty of power just low oil pressure. also chage the oil senser but nothing


These vehicles have been known to have failure of servo motors that drive your guages and routinely read wrong is this your only guage issue I just replaced three of these servos on a freinds H2 the motors are about $2 on ebay

Feb 06, 2010 | 2003 Hummer H2

1 Answer

My oil presure senor when i start my truck (h2 Hummer) is starting to move to the right when i pressed the gas in my truck instead of staying in the middle. Does anyone know what could cause that to...


the more you give it gas the more oil pressure your engine generates so yes the gauge should go to the right indicating more pressure.especially now with new and clean oil.normal nothing to worry about.hope this helps you.

Feb 01, 2010 | 2003 Hummer H2

2 Answers

I have an 03 H2 with a oil pressure gauge pegged all the way to the right and the speedometer is also pegged all the way to the right. They both happened at the same time, so what could have happened?


Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Silverado instrument cluster repair
Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for H2 instrument cluster repair

Dec 14, 2009 | 2003 Hummer H2

1 Answer

Gas gauge and speedometer not working


for what i had experienced is to change the fuel sender unit and speedometer gauge and recalibrate the IPC to the latest calibration.

May 30, 2009 | 2003 Hummer H2

2 Answers

High oil pressure in my humer h2


First thing that i would reccomend is switching to 5w30 oil since this is what GM wants you to run in your hummer. Next i assume your gauge is pegged out and doesn't fluctuate. You are going to have to take your hummer down to the local dealer and have a computer hooked up to see if the gauge is bad or the oil pressure sender is bad, more than likely the sender. thanks for using fixya !! have a nice day

Mar 15, 2009 | 2006 Hummer H2

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