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    Default 2016 - 2017 Cadillac CTS-V: Service Bulletin: Engine Misfire May Be Due To loose Spark Plug Wires

    #PIP5159B: Engine Misfire May Be Due To loose Spark Plug Wires - (Sep 23, 2016)

    Subject:* Engine Misfire May Be Due To loose Spark Plug Wires
    Models:* 2015-2017 Cadillac Escalade
    2016-2017 Cadillac CTS-V
    2016-2017 Chevrolet Camaro
    2014- 2015 Chevrolet Corvette
    2014-2015 Chevrolet Silverado 1500 Suburban, Tahoe
    2014-2015 GMC Sierra 1500 Yukon
    Built with RPO's 4.3L 5.3L 6.2L L83 L86 LT1 LV3



    This PI was superseded to update Model Years. Please discard PIP5159A.



    The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.


    Condition/Concern


    SES lamp on, DTC*P0300 - P0308*may set, inspect for a possible loose sparkplug wire at the ignition coil. *

    Recommendation/Instructions




    If a loose sparkplug wire is found, inspect for missing C clip on wire end that connects to the ignition coil.

    Replace the sparkplug wire if you find the C clip missing or damaged

    If this concern is not found reconnect the sparkplug wire to the ignition coil.




    1. Shows a good sparkplug wire.
    2. Shows the wire with the C clip missing.

    Attached Images Attached Images 2016 - 2017 Cadillac CTS-V: Service Bulletin: Engine Misfire May Be Due To loose Spark Plug Wires-4076919-jpg 



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