Question about 2002 Chevrolet Blazer

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2002 chevy blazer fuel pump (4 door)

Does the gas tank have to be dropped to replace the fuel pump on 2002 chevy blazer. 2 wheel drive, 4 door

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  • rbarber538 Dec 08, 2008

    thank you. I was not sure if there was a trap door above fuel pump. Also not aware of pigtail problem. Again, Thank you vey much.

  • Anonymous Dec 22, 2008

    the pump is good. the problem is in the conector (loose) can this be fixed or do I have to replace the pump assy?

  • Anonymous Mar 15, 2014

    i have to move steering wheel up and down for fuel pump to turn on

  • Anonymous Mar 15, 2014

    it will go into drive but not reverse

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    i have a 2002 chevy tahoe 4 wheel drive that want go into reverse

  • Anonymous Mar 15, 2014

    2006 chevy blazer will not run if fuel is under a half tank

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    misfire code on cylinder 3

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    Failed inspection. Cable is tight, rotors are good, won't hold vehicle in drive

  • Anonymous Mar 23, 2014

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  • Anonymous Mar 31, 2014

    fuel pump replacement



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Yes you have to drop the tank. you will also need a fuel line tool to unhook the fuel lines. before you drop the tank see if tou can reach and wiggle the electrical connection on the top of the tank. these pumps have a pigtail issue. please rate

Posted on Dec 08, 2008

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No the gas tank can be loosened bit still attached on the nut side of the straps and take the bolt out of the other strap the tank never is touching the ground and lower the back end of the gas tank and you do all the rest of the fuel pump work over the back axle take the spare tire off to make room for you to work

Posted on Oct 14, 2012


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Try replacing the fuel filter first, but it sounds like your loosing your fuel pressure prim when the fuel pump is not working. The fuel pressure should be 62-65 PSI with the engine not running the the ignition key turned on and should drop about 5 psi when the engine is running. If you turn the engine off and check the fuel pressure, it stat steady for morn then 15min. If it drops fast, then you have a leak at your fuel pressure regulator (common) or your return fuel check valve which is located at your fuel sending unit.
Start with the simple and replace the fuel filter, it could just be to dirty to pressurize the fuel system fast enough giving you the hard start.
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If it's pumping, you will need to do pressure testing to determine if it pumps enough, or just replace it as either just the pump, or the complete pump assembly that drops into the tank rather easily.

Pumps are available at dealers OEM, discount auto parts stores, and I've had good luck with pumps that I've bought on eBay.

good luck

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