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GM / General Motors: 97 blazer v6

  1. #1
    cjk
    Guest

    97 blazer v6

    Hi while i was driving into work this morning my blazer suddenly lost
    power on the highway. I pulled over waited a minute and it started
    fine and i was off again. It did the exact same thing 2 weeks ago and
    i had it into the shop(dealer unfortunately). They said the problem
    were dirty injectors so they cleaned them and said it should be fine.
    Any ideas on what might be the problem?

    Thanks very much..

    p.s. i have vowed never to return to this garage again sine it's not
    the firts time they have misdiagnosed a problem. I honestly believe it
    is intentional to get me back in there, however that is a whoole other
    story :-)

  2. #2
    Phillip
    Guest

    Re: 97 blazer v6


    "cjk" <nb.ca> wrote in message
    news:google.com... 

    Lost power as in when the gas was pushed it didn't want to move or like
    electricity power?



  3. #3
    451ctds
    Guest

    Re: 97 blazer v6

    Guesswork at best, start by changing fuel filter [s]
    Good fuel flow is important. Ignition problems usually have a feel of their
    own. { Engine shakes, hard starting, frequent stalls } The best test for a
    fuel system is to climb a steep hill. If the engine cuts out climbing hill,
    probably a fuel problem. Another clue for fuel filter is highway driving,
    if you drive for an hour or so, than have power loss, could be filter.
    Driving around town gives filter a chance to " catch up " with demand.
    Steady highway driving = steady demand for fuel.



  4. #4
    BillW
    Guest

    Re: 97 blazer v6

    AW comon.. There is no float bowl in a fuel injected engine. Fuel supply has
    to be constant in the loop...


    "451ctds" <net> wrote in message
    news:bo1q05$concentric.net... 
    their 

    hill, 



  5. #5
    john.riedel
    Guest

    Re: 97 blazer v6


    "cjk" <nb.ca> wrote in message
    news:google.com... 

    I believe that my 97 Bravada does the same thing.

    The behavior I have noticed seems to be heat related, but I have not yet
    figured out exactly how. It started last summer, after 20 minutes of
    driving,
    followed by about 20 minutes of being shut off, another 10 minutes of
    driving
    it would die. Switching the ignition off, then starting it, it would be fine
    for a few
    minutes, then die again.

    On a 150 mile trip, daytime, AC on, it was fine until the last 10 miles,
    then, at
    70 MPH, it just died. Switch off (still rolling down the interstate) then
    restart,
    run fine, but die again in 10 minutes. The trip back, at night, cool enough
    for no AC,
    it got all the way back without a problem.

    No trouble codes, no warning lights, nothing. My best guess right now is the
    crank
    sensor, but it is only a guess.



  6. #6
    cjk
    Guest

    Re: 97 blazer v6

    iit lost power as in gas :-(

    "Phillip Schmid" <com> wrote in message news:<bo172c$153ij4$news.uni-berlin.de>... 

  7. #7
    johnny
    Guest

    Re: 97 blazer v6























    i know it sounds funny, but remove the battery cables and clean them good.
    real good even though they look good on the outside.
    fixed my 1999 tahoe with exactly same symptoms.
    the starter would even turn over good, so i thought no way, but it solved
    the problem.
    This was shown to me in another group first.
    john

    "john.riedel" <com> wrote in message
    news:5Vhpb.88446$.. 
    fine 
    enough 
    the 



  8. #8
    clevere
    Guest

    Re: 97 blazer v6

    you know, my car did kinda the same thing, only it would die randomly..
    turned out it was the fuel pump.

    Then the car would hesitate and sputter up hills, and on trips .. I replaced
    the fuel filter .. no difference, change out the plug wires, poof, life was
    back into my horses (then I decided to change the plugs for the hell of it)

    "cjk" <nb.ca> wrote in message
    news:google.com... 



  9. #9
    451ctds
    Guest

    Re: 97 blazer v6

    Start with the fuel filter. If that doesn't help, try to determine if it's
    gas or ignition.
    Faulty ignition causes sputter, shake,
    and loss of power.

    Fuel problems show up climbing hills
    Have a garage hook up a fuel pressure guage to insure the injectors are
    getting enough pressure.




 

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