Question about 2001 Chevrolet Blazer

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2001 blazer, is there a way to test for power to the fuel pump before dropping the tank?

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I HAVE A 96 AND JUST HAD TO DO THE FUEL PUMP YOU CAN LOSEN STRAP BOLTS AND LOWER TANK 2-3 INCHES THAT SHOUD GIVE YOU ENOUGH ROOM TO UPLUG THE WIRE ALTHOUGH THE BOLTS MAY SNAP SO BECARFUL THE TANK IS NOT FULL YOUCAN TAKE RUBBER INLET HOSE OFF TANK AND SIPHON OUT GAS ALSO IBOUGHT ADELPHI PUMP ITS A BETTER PUMP AND ABOUT HALF THE PRICE OF CHEVYIT CAME WITH A SERVICSBULLETIN #25215705 SAYING THE WIREING HARRNEST NEEDED TO BE UPGRADED DO TO OVER HEATING PROBLEMS I;M NOT SURE IF THIS WOULD APPLY TO YOUR MODAL BUT I WOULD CHECK

Posted on Oct 13, 2010

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6ya6ya
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Posted on Jan 02, 2017

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YOUR HAVE FUEL PRESSURE SENSOR ON TOP OF FUEL TANK IN THE WHOLE FUEL PUMP MODULE.. YOU HAVE TO DROP FUEL TANK TO REMOVE FUEL TANK PRESSURE SENSOR ON TOP JUST DISCONNECT ELECTRICAL CONNECTORS AND REMOVE THE SENSOR.

Jun 18, 2011 | 2001 Chevrolet Blazer

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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

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I did a fuel pressure test on my 2001 blazer. This is a 4.3 v6 csefi system. when I turn the ignition on ( engine not running) the pressure comes up for about 2 secounds 64 psig then once the pump stops...


I just went through a major costing repair. My fuel pump blew and we discovered the pressure test # are wrong. Mine, like yours was showing it in the range but it in fact wasn't. Also the sending unit is on recall.

Oct 20, 2009 | 2001 Chevrolet Blazer

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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

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2002 chevy blazer fuel pump (4 door)


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

Dec 08, 2008 | 2002 Chevrolet Blazer

1 Answer

Blazer runs out of gas at half tank?


defective or missinstalled fuel pump would be my first guess.

Dec 07, 2008 | 2001 Chevrolet Blazer

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