Thread: Random Spark/Electrical issue

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  1. #1 Random Spark/Electrical issue 
    SE Level Member Elrodd384's Avatar
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    Hi I'm looking for some insight on to a completely random issue I just had. So I replaced the plugs and wires, both belts, lower engine mount, a tensioner pulley, and an idle pulley on my 99 GTP. About a week ago on my way to Oreilly's, my car randomly dies. I still had power, just wasn't running. When I pulled over the car would turn over for days, but wouldn't start. We checked all the connections with the coil packs and plugs and they checked out, then took a plug out and checked for spark...no spark. Did some research and it sounded like either the ICM, or the crank position sensor. I wasn't sure where to start, so I disconnected the battery and reset the PCM hoping for a one time start with no such luck. After 2 days of sitting with no power, I did get it to fire, but it died about 4 seconds later after running rough like the timing was off. The ICM had power to it, so I went the cheaper route and ordered a crank position sensor which arrived today. For the sake of trying, I went to start the car and it fires right up and drives 20 miles with no issues. With multiple restarts successful, I am completely baffled as to what could have cause the issue.
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  2. #2 Re: Random Spark/Electrical issue 
    SE Level Member Elrodd384's Avatar
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    note: CPS isn't installed yet
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  3. #3 Re: Random Spark/Electrical issue 
    Turbo is the way to go. BillBoost37's Avatar
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    That is pretty typical of a CKPS (CranK Position Sensor, CPS is Camshaft Position Sensor ).

    I would also check the ICM connector to ensure it's not loose. Check the connection at the PCM for looseness as well.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  4. #4 Re: Random Spark/Electrical issue 
    SE Level Member Elrodd384's Avatar
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    thank you! i'm replacing the sensor tomorrow but still haven't duplicated the problem. i'm also getting a weird issues where my DIC and HVAC blink with my blinker, but I think it's time to get rid of the car sadly.
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  5. #5 Re: Random Spark/Electrical issue 
    Turbo is the way to go. BillBoost37's Avatar
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    Or fix the ground issue. Both will take a couple hours.

    Sell car ... couple hours, pay on new one
    Fix ground..couple hours.

    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  6. #6 Re: Random Spark/Electrical issue 
    SE Level Member Elrodd384's Avatar
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    CKPS changed and fixed the exploded resonator while i was at it and oh my.....it's like driving a different car! i'm a terrible wire chaser and have no idea how to go about it, so chances are it may get sold lol
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