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  1. Old WorkHorse

    01-04.5 LB7 Duramax Powertrain
    02, upgrades, banks six gun, cold air intake, and exaust. 375k miles. Replaced injectors (all 8) twice, once at 199k, then at 275k. Replaced rail system as well. Recently, truck began smoking, gray, at idle. Just smell at first, then smoke. Picked up MAFS code. Replaced, cleared code...
  2. Mass Air flow sensor?

    04.5-05 LLY Duramax Powertrain
    I have a 2004.5 LLY that I just found out my mass air flow sensor was not working, but it never threw a code or check engine light? How can this be?
  3. Banks or MAF causing problems?

    Gauges, Electronics and Wiring.
    Anybody had any problems with Banks causing trouble codes? I have had some issues with DTC's. Some MAF codes but others like no communication with ECM and TCM. Could MAF problems cause errors like "No communication with TCM or ECM?" or could it be my tuner? I cleaned the MAF today and have had...
  4. missing mass air flow

    911 Problems Forum
    I got 05 lly that been wrecked, it does crank, but someone pulled mass airflow sensor out. I checked and there is no fuel coming through prime screw, so im wondering if missing airflow sensor would have to do something with that?