Question about 2001 Jaguar XJ8

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I have a 3.1 buick reagel no spark on all coils can not locate crank sensor

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  • berwynservic Dec 05, 2008

    this is a distriboutorless systom i found the pcm is not comunationg with the icm possibl pcm failer

  • berwynservic Dec 09, 2008

    this is a distriboterless systom

  • berwynservic Dec 10, 2008

    yes i found the cranksensor it test ok i have no comunation with the computer to icm

  • berwynservic Dec 11, 2008

    hi carless i found the cranksensor resistonce way out of range put noid light on injector foundno puls the crank sends signel to icm plus injectors i will post fix when i instal new sensor thanks



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0n the back side of the motor (the side closest to the firewall ) on the engine block there are two sensors. One is the knock sensor and the other is ignition timing sensor. The round looking sensor is the knock sensor.

Posted on Dec 10, 2008

  • carrless Dec 10, 2008

    Ok have you checked for power at the icm ? There should be two plugs side by side one with six wires and one with two wires. Unplug the one with six wires and check for power. With the plug facing you it should be the one on the far left ( L ) K A B G H ( L ) is the one you want to check. Battery voltage should be avialable there with key in the on position. If the voltage is 7 volts or less you need to repair the primary circuit from the ingnition switch to the icm.


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If it is not getting spark in any of the wires replace your coil,cap,rotor,and all plug wires you should get spark then..

Posted on Dec 04, 2008


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