Question about 2000 Chrysler Concorde

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2000 Chrysler Concorde

It has the 2.7, 6 cyl. The car will rotate but will not start. It has an aftermarket security system and keyless entry with power locks. I replaced the crank and cam sensors, battery and fuel pump. There is fuel pressure and I get a spark. It seems that all relays and fuses are fine and working. Could there be any other sensor that would affect the car starting?. I am scratching my head on this one. Please HELP.

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  • mickensd Apr 26, 2009

    2002 Chrysler Concorde LX 2.7 Intermittent No Spark Condition.

    Car runs fine once it starts. The problem is after a few trips during
    the day, without any warning, it won't start until I let it sits for
    several minutes (10-30). Changed cam and crank sensors - no change.
    During the no start condition, while cranking engine, and using VOM, I
    checked the 5 vdc supply and lo-hi signal voltage on both sensors - ok.
    Checked continuity from sensors - PCM connector - ok. Fuel pump,
    injectors, and coil - 12 vdc. What I did not get while cranking the
    engine was the PCM-coil trigger pulses - no spark. Once car does start,
    sets codes 340 and 344. Any thoughts on why the PCM is arbitrarily
    turning off the spark. And also, why does the car not stall or stutter
    while driving but decides not to start after I shut it off.



    mickensd



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These engines are known for the water pumps and/or the timing chains hydraulic tensioner failing and causing the timing to jump time. And checking the timing on these engine is not easy unless you can get a scan tool that can tell you if the cam and crank are in sync. If it says out of sync it has most likely jump time.

Posted on Feb 16, 2009

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Fuel filter, throttle position sensor. Check these items

Posted on Feb 16, 2009

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