Question about 1999 Pontiac Grand Am GT

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I was driving my 99 grand am out of my drive when it died. Like some one just reach over and turned the key off. Cranks real good just won't start. Need all the help I can get.....

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  • 12 more comments 
  • spirit582003 Mar 03, 2009

    The fuel pump is making noise. Took filter off and gas comes thru there too.

  • spirit582003 Mar 03, 2009

    I can hear the pump and loosened one side of filter and gas comes thru there too. Keep going with me plz. Have to return rental Friday

  • spirit582003 Mar 04, 2009

    Ok, lol bear with me.which is the air intake. I have all that complicated **** on this car. I pulled a black piece off which had a big hose connected to it, Found what looks like an old carb in front of the engine. Or do I spray it in the place when the hose was connected. I'm sorry knew how to sort of mess with the old type. My spark plugs don't have wires, they are under the big silver thing on top of engine under boots. TY Kyrie

  • spirit582003 Mar 04, 2009

    Ok sprayed it pretty good, put the hose back on and it still won't start. I tried park and neutral. I really appreciate what your doing for me.

  • spirit582003 Mar 04, 2009

    I have the coil pack. Thank You so much for the help. I can check things I just need someone to tell me what and how. Thank You so much Kyrie

  • spirit582003 Mar 04, 2009

    does my car have a fuel regulator

  • spirit582003 Mar 04, 2009

    I'm going back out there now. I will let you know shortly

  • spirit582003 Mar 06, 2009

    Got called into work will be back out there in morning. No security system. No spare key. I have a 2.4 twin cam

  • spirit582003 Mar 06, 2009

    No it was running perfect

  • spirit582003 Mar 06, 2009

    Going forward. Already called pontiac dealer they want me to bring it in. Can't afford that, have to rely on you guys. Sure do appreciate all the help. Kyrie

  • spirit582003 Mar 06, 2009

    So what are you saying? I have know Idea how to work on my Grand am. I just wait for you guys to tell me what to check and I do it and report back. So the guy with the focus please bring it down to what I should check not how it works. I don't understand it. But thanks for trying. Kyrie

  • falkon74 Apr 14, 2009

    I have a 89 Mercury Cougar and the same thing happened to me. I was driving along and the car just started bucking like crazy. Then it just shut off without starting back. I have since parked it. I have tried the electronic ignition control, plugs, wires, and rotor cap and button. I have not gotten any resolution as of yet. If I can get it figured out I will post to let you guys know.

  • Nicki414 May 17, 2009

    I have a 99 grand am v6 3.4. Was driving about 45mph and idle dropped when I pushed gas petal car died. Cranks but instead of starting I hear a fan blowing or maybe something rotating loudly. like a whishing noise. About to test the coils for spark. Hope this works because I don't want ot have it end up being the timing chain. Very pricey $$. Another thing that stumps me is today and the other day while I was cranking it and checking out under the hood I noticed my trunk open. The button isn't stuck but somehow my trunk is opening iteself unoticed. Anyone with advice would be appreciated.

  • Anonymous May 20, 2009

    My 89 cougar did the same thing. I replaced everything from the plugs, wires, ign. control mod, to checking the fuel pump and all plumbing. I finally replaced the main computer brain and it cranked and ran like a champ. I am still driving it to this day. Hope this helps.

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  • Pontiac Master
  • 4,369 Answers

Sounds like fuel pump quit. It is electric and is in gas tank.
Have someone turn key on while you listen real good at fuel tank area. It shold buzz for 2 seconds & stop. If no buzz, hit bottom of tank with a rubber mallot or something similar. Try to see if pump runs now. If yes, debris getting stcuk or startting to fail.

Posted on Mar 03, 2009

  • 14 more comments 
  • gerry bissi Mar 04, 2009

    SO, let's do one more test so we can rule out fuel. Go to Kmart, an auto store and buy a spary can of starting fluid. Now spray a 2 second burst into the air intake for the engine. You may have to pull the intake hose off the throttle body. I fyou cn't do that, open the housing for th air filter and spray a burst into the side going to the engine. Try statting car. If it starts for a second or 2, it means you have a fuel problem still. If it does nothing, then we need to look for a lack of spark to the spark plugs.

    Can you pull a spark plug wire off,place it close to the engine block, crank the engine and listen for a spark or see a spark jump? You may need to stick a screwdriver into the wire boot so it touches the part that attaches to the spark plug and have the screwdriver 1/4 inch from the block to see the spark jump.

    Careful, lots of volts here. will give you a shock if you are holding plug wire but it won;t hurt you.



    Report back.

  • gerry bissi Mar 04, 2009

    I'll post a ford engine picture for an example. You spray the starting fluid in the sliver round opening where you pulled the tube off from. Then attach the tube & try to start the car.



    #1 goes to the throttle body which is the end to remove, spray, reinstall.










    Item

    Part Number

    Description


    1

    Air cleaner outlet tube

    2

    Mass air flow (MAF) sensor

    3

    Air cleaner housing cover

    4

    Air cleaner element

    5

    Air cleaner housing

    6

    Air cleaner intake tube

  • gerry bissi Mar 04, 2009

    Now you have to check for spark per the instructions.

    The idea is to see if you can get a park to jump a 1/4 inch gap between the plug wire and the engine block or other piece of metal.

  • gerry bissi Mar 04, 2009

    It sounds like you have a coil over each plug. Here is what one would look like.




    1. Disconnect the connector from the ignition coil.




    Remove the spark plugs.




    The other system you may have is a coil pack like this






    If you don't get spark, then you could have a bad ignition module or a bad camshaft position sensor. or crankshaft position sensor.

    Since I am not a Pontiac expert, we will have to see if a Pontiac techie has any ideas or knows the common failures.



  • gerry bissi Mar 04, 2009

    OK, pull a spark plug wire boot off one of the spark plugs. Just twsit & pull, it should come off.

    Place it close to the engine block, crank the engine and listen for a spark or see a spark jump?

    You may need to stick a screwdriver all the way into the wire boot so it touches the metal part that attaches to the spark plug and have the screwdriver 1/4 inch from the block to see the spark jump.

    Set it there and have someone crank the engine and listen & look for a spark every 2 seconds or so.
    Careful, lots of volts here. will give you a shock if you are holding plug wire but it won;t hurt you.



    Also, all your local Pontiac dealer service department and ask them if they think it's crank sensor, coil pack or what. They should tell you. Worse that can happen is they say no.

  • gerry bissi Mar 04, 2009

    yes, all fuel injected cars have a fuel pressure regulator. But, if your car didn't starrt when you sprayed starting fliuid in it, it's not a fuel system problem.



    I think it's your coil pack or crankshaft sensor.

    Were you able to get a spark jump on the plug wire?

  • gerry bissi Mar 04, 2009

    do you have an anti theft system in your car?

    Do you have a blinking security light on the dash when you lock the car?

    Did you try starting the car with your spare key?
    What engine do you have? 4 cylinder ? 6 cylinder?

  • gerry bissi Mar 04, 2009

    here's alink to a website to give you some idea of your system. You have distributorless ignition system with coil pack.



    http://www.2carpros.com/first_things/car...



  • gerry bissi Mar 05, 2009

    how's it going?

  • gerry bissi Mar 06, 2009

    so it sound like lack of spark. Were you acking up when it qiut?

  • gerry bissi Mar 06, 2009

    I meant to say were you backing up when it stalled. Sorry. IF you do not get a spark, I would call your Pontiac dealer service department and ask what the most common failure is.

  • gerry bissi Mar 06, 2009

    here's how a 4 cyl. focus with coil pack and distributorless ignition works. yours issiliar I think



    The crankshaft position sensor signal is the basis for ignition timing calculations. The alternating voltage signal from the crankshaft position sensor is digitized by the powertrain control module. The digitized signal is then used to position the closing time of the primary circuit of the ignition coil.

    Ignition angle is determined by the powertrain control module in response to engine operating conditions. When ignition angle has been determined, the powertrain control module interrupts the current to the primary circuit of the ignition coil thus triggering the ignition spark which is supplied to the cylinders through the spark plug wires and spark plugs.

    The ignition coils are triggered by the powertrain control module in pairs (cylinders 1 and 4 and cylinders 2 and 3) sending one ignition spark to the firing cylinder and one spark to the corresponding cylinder on the exhaust stroke.


  • gerry bissi Mar 06, 2009

    need to know if you checked for spark at the end of the spark plug wire as desribed above.

    If you can't get a screwdriver in the plug wire hole, you can try the test with any spark plug in the end of the spark plug wire.



    What you would do is pull any spark plug wire boot and put your test spark plug in the plug boot. Then hold the threaded part against the engine block with pliers or a piece of wood. Have someone crank the engine and watch for sparking at the electrodes. If no spark, I suspect a bad crankshaft sensor or coil pack.

    Call a auto parts store like Auto Zone or Pep Boys and ask them what's the typical failure with no spark. Also ask them if you have a crankshaft psotion sensor and how much it is and where it is. They are often more helpful than the dealers.



    Need the spark test done.

  • gerry bissi Mar 06, 2009

    first call an auto parts store and ask them what most common problem of "No spark" is on your 2.4L twin cam engine. Ask them if you have a crankshaft sensor on your engine.

    If you have no spark, it's likely the coil pack or the crank sensor.

    The coil pack usually is divided in two as far as providing spark. So, usually 1/2 works and 1/2 doesn't so it would start but run rough. SO, I'm leaning toward crank sensor.

    ----------------------------------------

    First, you need to check for spark.


    • Pull any one of the spark plug wire boots off a sprak plug. The wire boot goes into the silver cover on the engine.

    • Then, insert any spark plug you can get your hands on, into the wire boot.

    • Then, holde the threaded part of this spark plug against the metal engine block. Hold it by the boot.

    • Have someone crank engine and watch for spark at the end of the spark plug.

    report back.

  • gerry bissi Mar 06, 2009

    You should also post this problem again as a new problem since you rated this one aready. No one else is seeing this. Maybe a GM guy will see and help if you do a new posting.

  • gerry bissi Mar 07, 2009

    spark?

    no spark?
    What did auto store say as common?
    Did you repost on this site for more input?

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