1988 Chevy Truck Code 42. Engine speed > 600 rpm with no est pulses (ecm controlled timing). Web 1988 chevy silverado code 42 computer problem 1988 chevy from www.2carpros.com.
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Web i have changed the plugs, wires, coils, cam sensor, and the intake but it still miss fires only when warm what could. Web trouble code 42 indicates that there may be a malfunction in the electronic spark timing (est) system. System in bypass mode but the ignition module is still controlling timing.
I Changed Master Cylinder And Slave Cylinder Now Truck Is Throwing Off Code 42 Which Told Me Solution Would Be Fix Transmission Shift.
This probably also works for cars made by general motors between 1. During cranking, the timing is controlled by the. Engine speed > 600 rpm with no est pulses (ecm controlled timing).
Web Here Is How To Read The Trouble Codes On A 1988 To 1995 General Motors Or Chevrolet Truck.
System in bypass mode but the ignition module is still controlling timing. Chevy s10 forum (gmc sonoma) getting code. Some testing of the ecm in regards to code 42 based on instructions i found on the.
During Cranking, The Timing Is Controlled By The Ignition Module While The.
Web 1988 chevy silverado code 42 computer problem 1988 chevy from www.2carpros.com. 42 for 94 chevy truck c1500 4 answers. Number(s) below refer to circled number(s) on the diagnostic.
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Web chevy truck tech forums. Web related obd1 code 42 content. Web trouble code 42 indicates that there may be a malfunction in the electronic spark timing (est) system.
Web I Have Changed The Plugs, Wires, Coils, Cam Sensor, And The Intake But It Still Miss Fires Only When Warm What Could.
Web electronic spark timing circuit code 42. 1988 was also the introduction.
