Question about 2000 Chevrolet Tracker

2 Answers

Car dies spontaneously

My 2000 Chevy tracker dies spontaneously when idle at a stop light, drive through, etc. I let it rest for about 5 minutes then no problem it starts right up and drives only to do the same thing - maybe within days or hours later.

The tracker has been in repair more than a dozen times. The engine reading reads "nothing wrong with the engine." I've change just about everything the repair shops can think of, but still the problem still exists. Amongst the items of repair included the main computer brain of the car which was very costly and yet the problem still exists. Otherwise the car is in good condition, but I can't rely on a car that may or may not die when carpooling to work or school activities.

Recently, the focus has been on the gas area/process of the car. The gas tank was found clean of debris and the filter and fuel pump was changed. The problem still exists after this change as well. Can you please help me find a solution....money's very tight, but I need my car. Your help will be so much appreciated!

My email is carreiros001@hawaii.rr.com
I have a 2000 Chevy Tracker that dies spontaneously at idle. Whether at a red light or other stopping place it will eventually die if left idling. After about 5 minutes it will restart. All measurements are according to manuels. The computer indicates nothing wrong. Fuel pump was replaced with not improvement.

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  • 2 more comments 
  • aknuckles Sep 28, 2008

    When engine dies the fuel pressure stays normal and spark is normal. We have applied pressure guages and watched the fuel presure while it quits. It stays normal. We replaced the fuel pump thinking that it might possible be sucking some air into the line. This made no difference.

  • aknuckles Oct 05, 2008

    My mechanic has checked all of this to no avail. Help!

  • aknuckles Nov 01, 2008

    The issue on my car and on the man from Hawaii has not been solved. On my car the injectors are working normally. We have found that during the down time (when it will not crank) the timing retards irratically. We have tried to replace the crank sensor but we cannot find the crank sensor. Do you have more suggestions and do you know where the crank sensor is located. Is it located in the bell housing?

  •  Alisa Bennett
    Alisa Bennett Jul 29, 2012

    it is behind your transmission but just had that done on my 2002 tracker and it didn't fix the problem either. good luck

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  • Chevrolet Master
  • 19,396 Answers

Check the intake manifold gasket.

Remove completely the air filter and see if the engine stays on, if it does not die, then the problem was the air intake, or the air filter.

Problems of this kind, with the intake manifold gasket, and the air filter are often not reported as an error code doing a computer scan.

Posted on Nov 01, 2008

  • Ginko
    Ginko Nov 01, 2008

    Check the intake manifold gasket.

    Remove completely the air
    filter and see if the engine stays on, if it does not die, then the
    problem was the air intake, or the air filter.

    Problems of
    this kind, with the intake manifold gasket, and the air filter are
    often not reported as an error code doing a computer scan.


    Regarding the crankshaft sensor, this is located behind the valve pan cover.



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  • Master
  • 674 Answers

We can guess all day on this problem.
but the one question is that will make the dianostics is

do you loose spark or fuel?

Posted on Sep 28, 2008

  • paul erickson
    paul erickson Sep 28, 2008

    so with spark and fuel not changing . and it only does it at an idle. im thinking your egr valve is sticking open. but with it sticking open if you push to gas half way to the floor it should start right up after clearing the cylinders.
    anything out of the normal in the fuel system would set a code. so im not looking at any sensors that would stop the signal to the injector.
    if the egr stuck it should set a code PO400
    but not always.
    can you tell when its about to die?
    doest it just shut off or does it drop below normal idle ?
    and im sure you have checked the pcv.
    have you check the ohms on the fuel injector cold and then hot?
    if the injector has a low impedance it could be overheating the driver and shuting it down at idle.
    this could be why it doesnt start right back up. needs to cool down.
    let me know how this works out for you
    later
    paul


  • paul erickson
    paul erickson Oct 06, 2008

    to ge to the bottom of this a person need to find out if you are loosing injector pulse ..
    has you mechanic experanced this problem?
    in my shop we would install a fuel pressure guage and run wires to the injectors to watch injector pluse and a vacuum gauge and watch to see which one goes away.

    i had one gm car that we chased a stalling problem for a week and found a bad ignition pickup.
    later paul


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