1. Michael Fernandez

    Michael Fernandez SDD Junior Member

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    Joined:
    Feb 4, 2020
    Location:
    new jersey
    Cruising along on interstate 70-75 mpg, got off exit to home, and engine started running rough, pulled two codes P0271 and P0272 both for cyl #4, pulled ficm and sent to bulletproof for testing, results ficm is good on power side and logic side also.

    going to check harness at connection to injector plug.

    Is there any way to buzz test injector old school "turn key key push button etc...."

    Michael
     

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