WebTry disconnecting the oil pressure sending unit and see if the engne shuts down with the key. The sending unit should be behind the distributor. Customer just tried disconnecting the oil pressure sending unit and it made no difference. the turn signal switch is killing it now but the other day it was not. ASE Master Tech 35yrs, Expert WebFeb 1, 1978 · Electronic Spark Timing Control for Motor Vehicles 780655. Electronic Spark Timing Control for Motor Vehicles. 780655. The spark-Optimizer is a closed-loop …
What causes GM code 42? – AnswersAll
WebJan 9, 2024 · The timing is even MORE important and the results are again more HP and fewer emissions. I used injection to show how fast the ECU needs to be (and IS) to make it clear that the ignition timing is pretty easily controlled to that level of precision as well. Each spark advance can be adjusted in real time, every stroke, to maintain a low, smooth ... WebJan 30, 2024 · Trouble Code 43 indicates that there may be a malfunction in the Electronic Spark Control (ESC) circuit. ESC is used to sense spark knock (pinging) and retard the … if string is in list vba
Bad Engine Control Module (ECM): Symptoms, Repair, …
WebAug 9, 2010 · To clear any trouble codes, disconnect the power feed for 30 seconds. If this is done at the battery, and your car stereo is equipped and programmed with a four digit … WebAn engine needs three primary ingredients to run: adequate spark, a proper air-fuel mixture, and good compression. Because the ECM is responsible for ignition (spark) timing and fuel injector operation, a faulty ECM can … WebJun 2, 2024 · 1. 43 - Electronic Spark Timing (EST) Circuit - low voltage detected, Electronic Spark Control (ESC) - circuit problems 2. 44 - Lean exhaust indicated (left … is sweat homogeneous mixture