LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

ses after PCMforless tuning

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Old Mar 3, 2003 | 02:11 PM
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97WRAITH's Avatar
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Question ses after PCMforless tuning

I got back my pcm hooked it back up, installed battery started it and the ses comes on and stays on. Anyone know why? Can't get a hold of Bryan till 4:00pm eastern time.
Old Mar 3, 2003 | 02:18 PM
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Is it an OBDI conversion pcm or your stock OBDII? Did you have an SES before the programming?
Old Mar 3, 2003 | 02:26 PM
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No it is not a OBDI conversion and no it did not have ses on before tuning.
Old Mar 3, 2003 | 02:36 PM
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well i guarantee he will fix your car for free but you must make an effort first to find out what code you are getting.
Old Mar 3, 2003 | 02:39 PM
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Get rid of the ported MAF. JMHO
Old Mar 3, 2003 | 04:48 PM
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I've had the ported MAF on my car for 1 year and never thru any codes.I was fine before tuning.
Old Mar 3, 2003 | 05:07 PM
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I'm probably wrong about the MAF, but I do believe that the programmers program based on a stock MAF, and some go as far as advising you to reinstall a screened and unported MAF. You might just borrow a stock MAF and slap it on just to eliminate something that might be easy. JMHO
Old Mar 3, 2003 | 05:57 PM
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Bubba Bryan programmed it with ported MAF.It's not the MAF thanks anyway.
Old Mar 3, 2003 | 08:10 PM
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I have O2 sims on the back 2 O2 sensor plugs would that possibly do it.Also have egr tube and valve disconnented and air pump removed but I told Bryan about that.
Old Mar 4, 2003 | 06:48 AM
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Is there any way to find out what code it is without a scan tool?
Old Mar 4, 2003 | 07:01 AM
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take it to Autozone or any place that scans codes. Autozone will do it for free but can't pick up all the codes.
Old Mar 4, 2003 | 07:05 AM
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Live in Canada no autozone here.Can't jump any wires and get it flash a code?
Old Mar 4, 2003 | 07:56 AM
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Not on a 97, you need a scan.

Maybe a shop will do it for you, no harm in asking, right? Or go to the regional boards and see if you can set something up with someone with a laptop, etc.
Old Mar 4, 2003 | 08:03 AM
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Maybe I will call some shops where I live and see if they can scan it for me.Thanks!
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