Thread: Engine Codes OBD1 Cable 1993 Chevy

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Originally posted by canibalchicken
the last time the light came on it died pretty quick.

you put a new map sensor in?

Originally posted by canibalchicken
so once I get the timing right I should be ok?

the 35 is not there anymore.

read the list of codes i sent you there is no code 35

you need to tell me is the motor cutting off and cutting the light on or is the light coming on and cutting the motor off.

correct i put a new map sensor in.

I do have a code 35 in my book, it reads

IAC - Error Idle air control system.

I changed the idle air control motor, and i have voltage to all the wires, 12v on 2 and under 1v on the other 2.

the light is coming on then the motor will cut off, but sometimes the motor will stay running with the light on.

i ve thought about this about much as i can to tonite so ill check on some stuff in alldata and see if i can get on another train of thought. ill be back tomorrow afternoon the timing most of all

thanks mike!
chat with you tomorrow.

Originally posted by canibalchicken
thanks mike!
chat with you tomorrow.

ok

got it. timing is set. all codes gone except for 67. it was the wire you spoke of. I subscribed to the alldata to get the diagram.
thanks for all your help.

Originally posted by canibalchicken
got it. timing is set. all codes gone except for 67. it was the wire you spoke of. I subscribed to the alldata to get the diagram.
thanks for all your help.

just getting back on line. guy was suppose to fix my computer last nite and i got it abput 12:00 today. where did you find that timing wire must have been hiding.

It was in the lume tubing. Also after diving a few miles the code 67 went away. I just picked up some new lifters. I must have mushroomed the insides of some when I was having the oil pressure problem. Going to fix these and I should have a nice ride. Thanks again.