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Ive been working on a 93. Last time she was registered was 2012. runs rough when I start it up. The idle revs up and down and eventually stalls out. I checked the ohms on the fuel injectors and they are all reading in the mis 8's cold. From some reading ive done said should be much more. Advice? what should I do first?
Thanks in advance.
If the idle is going up and down, check the IAC. Also, while this is happening turn ac on to see if it changes. If it does, IAC is getting commands from ECM. If not, might be IAC. THey do go bad and will not throw a code.
Srry, what's pm:/? Im online now trying to find a pdf download for the gm 93 service manual. Im reassembling the steering column as we speak. hoping that manual can give me some help.