BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
 
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 need some PCM tuning Suggestions?

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LandMaster



Posts: 258
Join date: 2009-09-03
Age: 24
Location: Waterford, New York

PostSubject: need some PCM tuning Suggestions?   Mon Mar 08, 2010 9:08 am

So I found this insanely clean 96 Roadmaster for cheap ( I mean the paint is still on the frame and rear quarters could be eaten off of.) with like 70k on it. But it's got the CEL on from the AIR pump, if I got the PCM retuned to get rid of the AIR would that take of the CEL light? How much would a retune run me and who should i have it done by as well?
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mean ss



Posts: 648
Join date: 2009-02-25
Age: 56
Location: Nashua NH.

PostSubject: Re: need some PCM tuning Suggestions?   Mon Mar 08, 2010 9:27 am

yes a tune will fix the CEL you're going to need an OBD2 tune


http://www.impalassforum.com/vBulletin/showthread.php?t=238655&highlight=tuners
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Guest
Guest



PostSubject: Re: need some PCM tuning Suggestions?   Mon Mar 08, 2010 12:40 pm

http://pcmperformance.com/
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LandMaster



Posts: 258
Join date: 2009-09-03
Age: 24
Location: Waterford, New York

PostSubject: Re: need some PCM tuning Suggestions?   Mon Mar 08, 2010 12:58 pm

excellent, thanks guys. BTW I'm gunna check with a scan tool to make sure the AIR pump is what's malfunctioning does any one know off hand what code that will throw?
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Guest
Guest



PostSubject: Re: need some PCM tuning Suggestions?   Mon Mar 08, 2010 1:49 pm

1995-1996 Chevrolet Caprice, Impala SS
with 4.3L or 5.7L Engine (VINs W, P -- RPOs L99, LT1)
Condition
· Some customers may comment of a hesitation during heavy/full throttle acceleration.
· A 1996 vehicle may also set any of the following DTCs:
o P0410
o P0412
o P1415
o P1416
o P0100
o P0101
o P0102
· A 1995 vehicle may set a DTC 48.
· There will also be evidence of water in the AIR pump.
Cause
Under high engine speed and load conditions, hot exhaust gasses may leak past the air check valves.
As the exhaust gasses in the air tube cool, water vapors collect into the AIR pump. As the vehicle is
driven, condensation from the AIR pump may come into contact with the Mass Airflow Sensor
through the AIR inlet hose. This condition may cause a hesitation on acceleration and may also set
the DTCs.
Correction
To correct this condition, a Secondary AIR Injection Pump disable procedure has been developed.
(It has been determined that the Secondary AIR Injection system is not required to meet emission
requirements for these vehicles only.)
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bammax



Posts: 2301
Join date: 2009-02-22
Age: 33
Location: Mansfield, Ma

PostSubject: Re: need some PCM tuning Suggestions?   Mon Mar 08, 2010 2:05 pm

Yup. Time for the delete and a trip to get it reprogrammed for the code. I'd recomend getting it proffessionally reprogrammed and then a set of headers to delete the air tubes Very Happy
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LandMaster



Posts: 258
Join date: 2009-09-03
Age: 24
Location: Waterford, New York

PostSubject: Re: need some PCM tuning Suggestions?   Mon Mar 08, 2010 3:11 pm

thanks for the codes Bill I appreciate it.

Well as money comes in I'll probably go for headers. any how so in NY we have emissions garbage, I'm pretty sure they just plug into the OBD II and that tells them what they need, soo when the PCM is reprogrammed will this make it read out that it's passing?? It doens't really matter cuz my mechanic just slaps on the sticker either way. but any insight would be nice as well.
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bammax



Posts: 2301
Join date: 2009-02-22
Age: 33
Location: Mansfield, Ma

PostSubject: Re: need some PCM tuning Suggestions?   Tue Mar 09, 2010 9:17 am

There's a sticker that you can order and put on the fan shroud that authorizes disabling the air pump. Some people then do a full delete without issue, while others leave the pump and plumbing just in case the tech at the inspection place is a dick.
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LandMaster



Posts: 258
Join date: 2009-09-03
Age: 24
Location: Waterford, New York

PostSubject: Re: need some PCM tuning Suggestions?   Tue Mar 09, 2010 1:56 pm

Yea I saw that sticker, think I may just get that any how aswell
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LandMaster



Posts: 258
Join date: 2009-09-03
Age: 24
Location: Waterford, New York

PostSubject: Re: need some PCM tuning Suggestions?   Tue Mar 09, 2010 2:55 pm

Also is any one else having a problem finding the SS tech guide?? My link to it was through geocity which i guess is gone?? I'll settle for a walk through AIR delete but if any one has a different link to the guide it'd be nice for everyone Thanks in advance.
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sdstick



Posts: 4131
Join date: 2009-03-20
Location: Revere, MA

PostSubject: Re: need some PCM tuning Suggestions?   Tue Mar 09, 2010 3:10 pm

Here you go. Everything you wanted to know
http://www.impalaclub.com/naisso/ss_handbook.pdf
Save yourself a copy so the link doesnt matter

_________________
Steve


96BBB 28K 3.42 Bolt-ons
95BBB 100K 3.73 383 New DD...already broke the 4L60E
95 Black WB4 Hole...ee...grail
95BBB 189K 3.08 Old DD Stolen...by Matt. Cool
Whine..eee...Silver LS6
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LandMaster



Posts: 258
Join date: 2009-09-03
Age: 24
Location: Waterford, New York

PostSubject: Re: need some PCM tuning Suggestions?   Tue Mar 09, 2010 3:17 pm

Thanks, greatly Apreciated.
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