Thread: 2000 Pontiac Grand Prix Shuts off without warning while driving.

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  1. #21 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
    Donating Users Bronco Boy's Avatar
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    Also, the car will run if it has only the 3x signal. If you loose the 18x signal, then no start.
    Chris B
    2009 CX-9
    ** SOLD ** 2002 GT
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  2. #22 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
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    UPDATE***

    I have an update for everyone. I took it to my mechanic that i use this morning and the code that were returned from the computer are:

    P0336 - Crankshaft Position Sensor

    Code was tripped 12 miles ago (no doubt on Friday morning which this thread referenced)
    Code was also tripped 100 miles ago (but the car never died on me 100 miles ago so the only thing i can figure is whatever signal didnt make it didnt effect the engine shutting off)

    They ruled it an "intermittent" problem since there was nothing wrong with the wiring or anything noticeable in that area so determined that the sensor or something electrical is wrong.

    Diagnostic: $70
    Labor $98
    Part: $54

    Total with taxes: $222.00

    thanks for all the help and advice/comments! I should get the car back before close of business.
    Last edited by geeksweep; 05-13-2013 at 05:28 PM.
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  3. #23 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
    Killa Bee Scottydoggs's Avatar
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    ouch, over 20 bucks mark up on the part right there, if you bought a puller and the part, and did it your self, this job would run you around 50 bucks.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  4. #24 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
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    Quote Originally Posted by Scottydoggs View Post
    ouch, over 20 bucks mark up on the part right there, if you bought a puller and the part, and did it your self, this job would run you around 50 bucks.
    yeah but i dont have the tools to do the job nor the mechanical inclination to do it right lol
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  5. #25 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
    Killa Bee Scottydoggs's Avatar
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    well that sucks, but the truth is even if you went and bought tools it would still cost under a 100. its not that hard really.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  6. #26 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
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    Quote Originally Posted by Scottydoggs View Post
    well that sucks, but the truth is even if you went and bought tools it would still cost under a 100. its not that hard really.
    yeah but like i said i would rather have someone do it right (we would all hope) than someone who is not familiar at all with anything more complicated than basic work tools lol.

    Also i was wrong about the Code that came back... I have updated the code with the link in the original updated post....

    The code was P0336
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  7. #27 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
    Killa Bee Scottydoggs's Avatar
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    the way i learned, over 20 years ago now is only because i had no money to pay a shop, id just go rip it apart and take my chances, started out with small stuff, made its way to pulling engines and trannys, and doing a few sbc rebuilds along the way with friends.

    its just nuts and bolts at the end of the day, nothing to be scared of.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  8. #28 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
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    Would the car shutting down at 40 mph change any ones diagnosis. All the other systems are the same.
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  9. #29 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
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    I have been having the same problem lately. Car will intermittently stall at idle and has event cut out, or stumbled, while accelerating but then continues on.
    Garet
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  10. #30 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
    Killa Bee Scottydoggs's Avatar
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    icm, the icm to crank and cam sensors harness and the crank sensor are all suspect.

    ever notice if the tach quits working? if you ever saw it laying flat the crank sensor is bad 90% of the time. or its harness.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  11. #31 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
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    Thanks for the info ScottyDogs, or is that Mr. Killa Bee? This gives me something to watch for and I'll do searches on these topics.
    Garet
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  12. #32 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
    Killa Bee Scottydoggs's Avatar
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    either or works lol good luck.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  13. #33 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
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    Killa Bee - I went to easyautodiagnostics.com for the diagnostic procedure. Followed the author's advice and purchased a multimeter with HZ reading capability. I have diagnosed the MAF sensor and ICM so far. I was to look for 12 volts when testing the MAF sensor for power but I only get a reading of 11.4 volts. Is this bad being down 0.6 volts. The HZ on the MAF reads 2.75 plus or minus 0.1 at idle and goes up to about 5 at max throttle. These reading were repeated several times. I am assuming that the MAF sensor is good but do I have an input power problem? For the ICM I get 10.2 volts which should be OK as he says to look for a reading between 10 to 12 volts. Ground reads 12 volts for both sensors. My next step is to test the crank position sensor using the multimeter method as I haven't been able to source a LED tester. The author says to disconnect power to the fuel injectors to prevent fuel being injected into the engine during the test procedure. Do you think pulling the fuse to the fuel pump would achieve the same result?
    Your advice is greatly appreciated. Garet
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  14. #34 Re: 2000 Pontiac Grand Prix Shuts off without warning while driving. 
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    The saga continues. I have since checked the alternator for output and it appears to be good. I get readings of 14.25 plus or minus 0.25 volts at the battery, car running and with no electrical load. Turning on various electrical circuits shows a quick drop to 12-13 volts and then an rise to the 14 - 14.5 volts range. I tested the crank case position sensor, multi-meter method, and get readings of 6.55 volts for the 3X Sync signal and 6.57 for the 18X signal. According to the trouble shooting website the readings should fall between 5 and 6 volts so I'm not sure if the slightly higher readings are an issue. Plugs and wires were recently changed with no improvement. Coils are good plus I used a fine emery cloth to sand the coil contacts and the surfaces of the ignition control unit to ensure a proper ground. Also, I took out the MAF sensor and cleaned it with MAF sensor cleaner. So I'm stumped as to why the car will randomly shut off when idling or stumble when accelerating. Anybody got any ideas here?
    Garet
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