Question about 2002 Chevrolet Avalanche

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How do I install a fuel tank pressure sensor on a 2002 chev avalanche. Do I have to lower the tank. thanks

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Yes you will have to lower the tank to gain access to it. it is on top of tank

Posted on Oct 06, 2010

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Just put your arm in over the top of tank at left rear tire, you can change it that way with out lowering tank..

Posted on Oct 18, 2012

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1 Answer

Fuel pump in gas tank how to repair?


your fuel pump is pretty steep price wise but its not a hard fix been that it's not a car.You have two straps holding the tank,disconnect the positive battery, separate the rubber hose from the tank neck, with the help of a buddy place a hydraulic jack under the tank lower slowly until you disconnect the electrical wires. Once tank is down with a flat head screw driver gently tap the ring anticlockwise once removed take out fuel pump assembly install reverse order.

Sep 19, 2012 | 2002 Chevrolet Avalanche

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2002 avalanche forums


I assume the check engine light is not on.
In addition to the ignition system, it could also be a fuel problem.
Fuel pressure or filter problems, or a worn throttle position sensor.

Jul 03, 2012 | 2002 Chevrolet Avalanche

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CHECK ENGINE LIGHT COMES ON??????? SMELL STRONG ODOR OF GASOLINE!!!!!!!!!!!!


Check the fuel pressure regulator.Pull the vacuum hose off of the fuel regulator and check for fuel inside hose.If you find fuel replace regulator.Also check map sensor for fuel.

May 23, 2011 | 2002 Chevrolet Avalanche

1 Answer

What is the codes means po452 and po453


Hi,

The codes indicate a problem with the fuel tank pressure sensor. One code is for no volts, the other is for high volts. Without a scanner hooked up to monitor. I have to go with you have a bad fuel tank pressure sensor. this is an emissions control sensor. the tank is pressurized and the sensor monitors it for leaks etc. the tank must come out as it is mounted on top of fuel pump module

REMOVAL PROCEDURE

  1. Raise the vehicle.
  2. Remove the fuel tank. Refer to Fuel Tank .
  3. Remove the fuel tank vapor pressure sensor electrical connector.
  4. Remove the fuel tank pressure sensor.
INSTALLATION PROCEDURE
  1. Install the fuel tank vapor pressure sensor.
  2. Install the fuel tank vapor pressure sensor electrical connector.
  3. Install the fuel tank. Refer to Fuel Tank .
  4. Lower the vehicle.
Thanks.

Feb 02, 2011 | 2001 Chevrolet Blazer

1 Answer

Where is the Fuel sensor locate on a 98 chev blazer?


Both the fuel level sensor/sending unit and the fuel tank pressure sensor are located on or in the fuel pump module.

The fuel tank will need to be lowered in order to gain access to the fuel tank pressure sensor which will be the black sensor on top of the fuel pump module.

The fuel tank will need to be removed in order to remove the fuel pump module to gain access to the fuel level sending unit attached to the side of the fuel pump module.

Nov 07, 2010 | 1998 Chevrolet Blazer

1 Answer

Solutions in fixing engine code 0446 on a 2002 avalanche? I have change the purge valve, Vapor canister and still no joy. Can some tell if I miss anything?


check for a blockage in the line or piched if thats ok
then the is a fuel pressure sensor that can cause a p0446
you have to take the fuel tank out and the sensor is on the fuel pump module
you may want to take it and get the EVAP SYSTEM SMOKE TESTED
hope this helps

Nov 13, 2009 | Chevrolet Avalanche Cars & Trucks

1 Answer

I HAVE A 2002 CHEVROLET AVALANCHE AND IT TURN OFF WHILE RUNNING I TOOK THE ALTERNATOR TO CHECK AND IT WAS IN GOOD CONDITION AND THE BATTERY TOO IT TURN ON BACK AGAIN FOR A MINUTE AND TURN OFF AGAIN


if no codes check fuses and connections 4 fuel pump , possible fuel pump going, turn on and listen for hum from tank if comes on than check fuel pressure if low or none fuel pump defective

Oct 25, 2009 | 2002 Chevrolet Avalanche

1 Answer

2002 chev avalanche mat sensor


I assume you are looking for the wiring for the IAT because MAT sensors are no longer used..

here you go

black / white - PCM ground
pink - fused 12-volts
yellow - MAF signal
tan - IAT sensor signal
black - IAT sensor ground

manifold temp. sensors are no loner used.

I believe you are looking for the IAT "intake air temp sensor" which is part of the mass air flow sensor.

good luck

wesleyschacht@hotmail.com

Jun 16, 2009 | 2002 Chevrolet Avalanche

1 Answer

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Gm has a real problem with fuel tank sending units. That is what is wrong. You need a fuel tank sending unit. You can only get them aftermarket with the whole fuel pump module, but you can buy them seperate if you buy it from the dealer.

Mar 08, 2009 | 2004 Chevrolet Avalanche

1 Answer

I cant get the drop the fuel tank on my 2002 chev avalanche


There are to straps and the filler hose and the vent hose and a wiring harness. You may have to lower the rear first. Also that model may have the EVAP canister mounted to the tank.

Jan 01, 2009 | 2002 Chevrolet Avalanche

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