Injector Harness Pigtail, LLY, , DuramaxThe LLYs have an issue with the injector harness on #7 and #2 going bad, and leaving you stranded. Sensors and Electrical, LBZ Engine Coolant Temperature Sensor thumbnail.Diagnosing a Bad Coolant Temperature Sensor
MAP Sensor Wiring Harness, LB7 LLY LBZ, I was in the process of buttoning up my truck again after installing my new LBZ air intake and EGR delete when I came across something I didn't. Check the harness connection and for broken/chafed wires.
I will ONLY use GM coolant temp sensors because of all the bad out of the box. Input sensors monitor operating conditions of the engine and inputs from Engine Coolant Temperature (ECT) sensor: Usually located on the.Duramax Diesel Electronics - Digital Diesel Engine Coolant Temperature (ECT) sensor: The LLY, LBZ, and LMM engines use silver-colored glow plugs and operate on volts. Oct 17, · LBZ: IAT (with MAF) on wiring diagram = IAT Sensor signal on pin-out, pin X1,42 IAT2 on wiring diagram = IAT2 on pin-out, pin X1,65 LMM: IAT (with MAF) on wiring diagram = IAT Sensor signal on pin-out, pin X1,42 IAT2 on wiring diagram = Air Temp Signal on pin-out, pin X1,65 So you can see it's the same sensors going to the same pins.
Jan 19, · The MAP sensor or manifold air pressure sensor is a main input to the ECM or engine control module. This sensor detect the intake manifold pressure change value and .
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