...error, ignore this for now, will not cause rich run. DTC - 53 System voltage too high, check reference voltage from PCM, it should be around 4.5 Volts, this could be the cause of all your problems, ...
Error. Code #42: Electronic Spark Timing. Code #43: Electronic Spark Control. Code #44: Lean Exhaust indication. Code #45: Rich Exhaust Indication. Code #46: Vehicle Anti Theft
...error code of 53 on my 93 suburban. checking the voltage at the battery while running is 14.4 volts same voltage at the pcm checking and fixing every little possible thing related has not helped. ...
...53 Digital EGR Valve solenoid 1 error MAP is short for manifold absolute pressure sensor,,it senses the manifold pressure and applies the right amount of gas with the right amount of ignition timing ...
...error You are looking at replacement. A further confirmation take the connection from sensor 1 bank 1 and swap it with the sensor 1 bank 2 on the other side of the engine. The codes should ...
Question about 1989 Suburban
...quite a few error codes: 14,22,25,32,34 and 53. He has replaced the ignition module, coolant temp coil and spark plugs and wires. where should he look now? coil breaks down when they get hot try
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