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Thread: Please help 2015 1500 5.3 Will not stay running

  1. #1
    Tuner in Training
    Join Date
    Jan 2020
    Location
    Texas
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    12

    Please help 2015 1500 5.3 Will not stay running

    Please Help 2015 chevy 1500 with 5.3
    not used to direct injection
    stage 1 truck cam
    vvt limited
    dod delete with ls7 lifters
    will cold start and idle rough
    will start and die after warm up still idle rough bobby 2015 chevy 1500 5.3.hplBobby 2016 chevy 1500 5.3 3-7-24.hpt02.hpt

  2. #2
    Tuner in Training
    Join Date
    Aug 2016
    Posts
    22
    Little late to the party here, but you need to log way more than you are. Need mass airflow, or dynamic airflow or volumetric effeciency as a start. Your MAF looks off, should be closer to 12g not 6g. Looks like an idle air issue, but I am guessing as there isn't enough data.