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Where is fuel tank pressure sensor located for "03" tahoe

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On top of fuelpump/sending unit in gas tank.

Posted on Oct 09, 2010

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The gas pedal does not give me power when I push the gas chev Tahoe 03


Fuel delivery problem. Fuel pump. fuel pump relay, fuel filter, trash in the tank outlet. (least likely) Sensors that also have imput to ECU that controls the above. Possibly the throttle position indicator or it's connection/s or Mass air flow meter.

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Where is the fuel pressure sensor located on 2000 GMC Sierra p/up 5.3


They didn't have a fuel pressure sensor in 2000.... are you referring to the fuel tank pressure sensor? That sensor measures the vacuum/pressure in the fuel tank and is related to evaporative emission control. That sensor is externally located directly on top of the fuel pump on top of the fuel tank. It has a 3-wire connector plugged into it.

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03 Tahoe Z71 Flex Fuel won't start and run. Engine turns over, fires, but won't start. I can hear the fuel pump run but it is not a steady sound like I would normally hear. I am getting a P0


It wouldn't hurt to check fuel pressure with a fuel pressure gauge. you should see somewhere around 48 - 55 psi. the test port is on the fuel rail about in the middle of the rail and on the drivers side.

If the fuel fuel pressure is low it wouldn't hurt to make sure there is power to the fuel pump before condemning it. Power is supplied to the pump by the larger of the two grey wires.

The fuel pump is located in the fuel tank and the fuel tank will need to be dropped from the vehicle in order to service the fuel pump.

If you decide to replace the fuel pump get an a/c delco or a delphi pump. These are the best two option for your vehicle. Do not get an airtex brand. They are not reliable pumps although they are cheap.

Let me know if you have any questions and thank you for using fixya.com!

Feb 25, 2012 | 2003 Chevrolet Tahoe

1 Answer

On a 2001 Tahoe what are the problems that can occur with low voltage on the fuel tank pressure sensor?


the fuel tank pressure sensor has nothing to do with driveability only emission. this code could be caused by a melted connector on top of fuel tank that is not uncommon in gm trucks in the 90-2000's

Jun 05, 2011 | 2001 Chevrolet Tahoe

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How to locate the oil pressure switch on a 03 tahoe with a 5.3 V8


The oil pressure sensor is located behind the intake manifold, at the very top and rear of the engine. It's in pretty much the same place as the old small block chevys have always had them (if you're familiar with them) It's right above where the transmission attaches to the engine. There is the camshaft sensor, right next to it, and the oil pressure sensor is the one to the driver's side. It' kind of a bear to get at , and even to see.

Mar 05, 2011 | 2003 Chevrolet Tahoe

1 Answer

Where is the gas pressure sensor on an 03 1500 5.3 Liter silverado located..any diagrams would be great


The fuel tank pressure sensor attached to the top of the fuel pump module on top of the gas tank.

Its the black pert on the top of the pump on the right side.

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I have a 1997 Tahoe that just quit on me. The engine trouble light was on and it was diagnosed as( 2) o2 sensors. Will that eventually cause me to stall out and then just stop running altogether?


ignition control module a bad fuel pump could have leaned out truck causing o2 codes before pump quit hit the center of bottom of gas tank if it starts it definatelty needs a pump but have someone turn key while you are under vehicle see if you hear pump

Jul 23, 2009 | 1997 Chevrolet Tahoe

1 Answer

Oil pressure sensor is moving up and down while driving and need to check the fuse but can't find it.


No fuse for the switch on the engine although the cluster has a fuse for the instrument gauges

May 27, 2009 | 2003 Chevrolet Tahoe

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1998 Chevy tahoe Hard to start when cold


replace your MAP sensor(manifold absolute pressure) the map sensor is the computer for your fuel pressure regulator telling how much pressure. Unless your tahoe runs like **** going up hill than it inevitably your fuel pump

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