Did you replace the PCM recently?...or during the swap?
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03-21-2012
Did you replace the PCM recently?...or during the swap?
03-21-2012
during the swap
03-21-2012
Do you have a stock PCM that you can try. The other guys earlier in the thread may be on to something.
Do you know how to check the injector duty cycle with a DVM?
03-21-2012
I'll throw my gt pcm and give it a try
No i don't
03-21-2012
Well yea, check for vacuum leaks and swap the PCM. Be sure to update.
03-21-2012
What MAP sensor are you using? I hope you switched over the the 2 bar L67 MAP otherwise the PCM thinks you have a 2 bar when you are running the stock GT 1 bar.
I am almost 100% on that is what it is. I bet if you throw your GT PCM on the car it will idle better.
Last edited by Pure2sin; 03-21-2012 at 05:37 PM.
03-21-2012
GTP map
I'm kinda woundering if the pcm has a bad flash, now my ses, low oil light, brake light dont come on now
03-22-2012
I was hoping the MAP was the answer as suggested by pure2sin. Damn!
Before you put the old PCM back in make sure you check your grounds, battery and alternator. That's about all I can think of.
03-22-2012
Well after almost giving up for the day, (stock pcm did the same) I grabbed my gt idle air value and swapped them and guess whet she purred like a kitten
03-22-2012
Good to hear.
03-22-2012
Just weird it never set a code
03-23-2012
Oh man! Great!
Since it didn't set a code I'm wondering if there is something wrong with the PCM. The return signal from the IAC to the PCM has to be within a strict set of parameters. If no code then.
I'll have to remember this one!
03-23-2012
I know. If I disconnected it and started it, it set right away. But I think i'm going to order a zzp pcm unless someone here has one better
03-23-2012
You might want to go with overkill.
I wonder if anyone else has an opinion on that.
03-23-2012
When I did a SSIC I had similar symptoms as you are having. And it was Vaccum leak.
03-23-2012
I woundering about theres but never could find any infoOriginally Posted by Rico
Mine turned out to be the IAC runs great now
03-26-2012
Well now only problem I have now is the way I can get it to start is to unplug the map sensor then plug it in
03-26-2012
Let me guess, no code...Right?
03-27-2012
Nope. I let it run for about a hour and nothing. I can shut it down and restart it but if it sits for couple hours it just cranks
03-27-2012
So you're running the flashed PCM now?
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