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

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    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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1997 chevy blazer what could it be


I had a 1997 s10 4*4 with the 2.8 v6.
mine do that I had to pull the gas tank replace fuel filter plus had to take undo the line from the intake and blow air thru it. Make sure all u're filter are replaced and y u have the tank down replace the fuel pump. I hope this helps u

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Fuel gage on my 2002 Blazer is reading full


I just replaced the fuel pump on my 2000 ZR-2 blazer and the fuel sensor was made on to the pump. It is in the gas tank. It is a flotation type device. You have to drop the tank, turn the lock ring counterclock wise pull the unit and replace it.Be careful installing it because if you bend the plunger rod it will not read correctly

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2002 chevy blazer no start after running out of gas


a lot of times when running out of gas the pump over heats try knocking on the bottom of the tank while someone cranks it over note even if it starts you still should replace the pump it will not be reliable if there is no pressure to the fuel rail its not working and there would be pressure at the rail if it was

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How to change the fuel pump on the 2002 chevy tahoe 2 wheel drive 4.8 v8


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2001 Chevrolet Blazer LS 2-dr, 4 wheel drive, 2 cranks to start


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.
Thank you for using Fixya and good luck

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Wont start unless you pour gas down throutle body on 2001 chevy blazer


You'll need to see if your fuel pump is providing fuel pressure. First test would be to take off fuel cap, listen through filler tube as someone turns ignition on for a few seconds, then off for a few seconds. Repeat a few times you should hear the fuel pump start then stop as it builds pressure.

No noise, then test voltage coming to pump if yes, 12 volts, replace fuel pump. Test ground also before replacing pump.

I would expect it to be this as the computer wouldn't allow the vehicle to run with fuel being poured into the engine otherwise.

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

Mar 11, 2010 | 2001 Chevrolet Blazer

2 Answers

How do i get to the fuel pump on a 1997 s10 blazer


Unless there is an access panel inside the vehicle above the fuel pump, you will have to remove the fuel tank in order to access the pump. Do not forget to replace the fuel filter. Partially clogged fuel filter is one of the causes of a failed fuel pump.

Oct 10, 2009 | 1997 Chevrolet Blazer

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Chevy Blazer won't start; fuel pump needs replacing


Before spending several hundres on a fuel pump, I recommend doing a fuel pressure test. You can get a test gauge pretty cheap at a parts store. If the pump is junk, you raise the truck, lower the fuel tank, unplug the electronics from the pump at the top of the tank, then with a hammer and flat head scrwedrive, gently tap the lock ring in a counter clockwise direction until it pops off. Pull the pump assembly out and install the new one. Reverse directions to install.

Jun 02, 2009 | 2001 Chevrolet Blazer

1 Answer

Troubleshooting non-functioning gas gauge on 2002 Blazer 2-door


Sure there is!

DO THIS FIRST!!!
When you turn the key on, and the gauges and warning lights come to life, does the needle on the fuel gauge move a tiny bit? It should. If it does move a hair, this is a good sign your gauge is still good. If not, keep reading.

The gauges themselves are usually not at fault, but they can fail, of course. Usually, it's the sender or float that's the culprit. The assembly resides in the fuel tank in the module or unit that houses your fuel pump. Many customers (when faced with the cost of this tank job) will opt for waiting until the fuel pump goes bad, and replacing pump and sending unit together. However, there are obvious drawbacks to this!

ONE test you could do if you are good at driveway car work is this: Crawl under vehicle and find the bundle of wires (not tubes or lines) that goes up to the top of the fuel tank. Sometimes you can reach it through the rear wheel well. Follow this small group of wires up to wherever it plugs in to the pigtail coming out of the tank. THis could be on top of tank, or just outside the perimeter of the tank. Unplug this connection. Using a common 12 volt test lamp probe, ground the test lamp, turn the key to the "ON" position so dash lights up, and touch tester to each wire tip on the end not connected to the tank (engine side of wire harness.) Have someone watch the fuel gauge as you touch the leads one by one. The gauge should move when one of these is grounded thru the lite. Total deflection of the needle means your sender is at fault, not the gauge. BUt it's usually the sender, anyway. THey're cheap enough, but the labor on a tank job can vary from place to place.

Good luck, TT

Feb 23, 2009 | 2002 Chevrolet Blazer

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