Question about 2001 Chevrolet Blazer

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2001 chevy blazer not starting

My blazer acts like the battery is dead because all my dummy lights on the dash wont come on only service engine soon light and battery light and it just rolls over it dont click like a dead battery or lights dont dim bu the only way i can get it started is if i jump it sometime i have to hit the gas and gas tank it acts like it isnt getting fuel. sometimes it start in 5 min others it starts in an hour

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  • brian c
    brian c May 11, 2010

    Could be two things:

    The fuel pump is on its way out. This is a common problem with in-tank pumps.

    If it's a 4.3 vortec with the multiport injection, the "spider" or "octupus" injection system fails due to internal seal leaks.

    Can you hear the pump run when you first turn the key on?


  • Anonymous Mar 28, 2014

    Sometimes starts and sometimes not

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I had this same problem with my 1997 Blazer, which required a fuel pump replacement as Nitrobike said. The sign to look for is when you get in the Blazer, turn your key forward to the accessory position, but not the start position. You should hear the fuel pump charging. It sounds like a hissing or whirring noise for about 2-3 seconds while it pumps fuel into the lines to prime the engine.

Fuel pump replacement isn't cheap, about $700-$1000.

Posted on Jun 12, 2008

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