Question about 2001 Chevrolet Blazer

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1999 Chevy Blazer Sometimes start

I have 99 Chevy Blazer. I never know when its gonna start. Some times it starts fine days in a row and then other days it wont start at all..Ive had to keep it running so Im able to use it. There was a new fuel pump put in it bout 5 months ago, as well as a fuel filter. Any Ideas?

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  • A Oliver Dec 16, 2008

    I can hear the fuel pump turning on tho...the little buzzing noise

  • A Oliver Dec 16, 2008

    how do i tell if it has enough pressure?

  • A Oliver Dec 18, 2008

    It didnt start yesterday morning, then it started all day yesterday and its been starting all day today. If the fuel pressure was the issue wouldnt it do that all the time and never want to start?

  • rick42074 Feb 10, 2009

    drives for 45 mins freeway shuts off while driving and wont start til 1hr at the longest

  • solieswrench May 11, 2010

    NO  fools the computer sometimes Next time that it wont start try spraying starting fluid into the air intake. If it runs you know its a fuel problem.

  • solieswrench May 11, 2010

    With a fuel pressure gauge.  Fuel pressure tester on the fuel line going to throttle body or fuel rail there is a fitting looks like a valve stem twist off cap screw on the tester . Not sure of the pressure maybe call the dealer for that. 

  • solieswrench May 11, 2010

    It may still be the fuel pump not enough fuel pressure.  

  • solieswrench May 11, 2010

    Maybe a defective fuel pump.

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Fuel filter is acheap part ur car needs and it cause the same, or coil can go out slowly. take it parts stare to have it checked good luk claymister

Posted on Dec 04, 2011

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I had the same problem with my 99 blazer, turned out to be a cracked distributor cap. if left outside instead of in the garage the problem was occuring more often.

Posted on Feb 10, 2009

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