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01-20-2007, 02:49 PM
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#1
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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my friend needs some help with his LT1
He's got a 96 T/A M6 and put a LT4 cam in it, 1.6 RR's, springs, etc. Its a basic bolt on car w/ 36lb injectors, adj fp regulator, fp gauge, & a pcm4less tune.the guy from pcm4less told him to run 46psi of fuel pressure. the problem is that the car wiill not idle for long at all, he has to keep hitting the throttle to keep it running, and as soon as he would let off, it dies on him. then it takes a while to start back up, sometimes it doesnt start up. It freakin reeks of fuel at and when the car is running with 36psi of fuel pressure, my eyes and sinuses were burning from the exhaust fumes.(running too rich?) . any ideas? hope thats enough info. no egr or pollution pump either. Is it Not getting enough vaccum? too much vaccum? im out of ideas. It also seemed like when i put my hand over the MAF, it fired right up instead of taking a while to start
__________________
01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
Last edited by 98tadriver; 01-20-2007 at 02:52 PM.
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01-20-2007, 03:19 PM
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#2
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NJFBOA Co-Founder
Join Date: Jul 2004
Location: All up in your kool aid!
Posts: 12,235
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pcm4less does garauntee their tunes and will offer adjustments as needed. did he try talking to them yet?
get it hooked up to a computer and data log what is going on. OBD2 has plenty of iputs to give you and the tuner the answers to all your questions.
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01-20-2007, 03:26 PM
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#3
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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good idea, i totally forgot that its a OBD2 i thought it was still a OBD1! lol
__________________
01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
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01-21-2007, 06:20 PM
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#4
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Keyboard Tough Guy
Join Date: Jul 2004
Location: Trenton, NJ
Posts: 6,341
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yeah you should be able to scan generic parameters with your version of hpt.
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01-21-2007, 06:49 PM
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#5
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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Quote:
Originally Posted by foff667
yeah you should be able to scan generic parameters with your version of hpt.
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oh sweet, i did not know. but i would have to license that car though, right?
__________________
01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
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01-22-2007, 06:50 AM
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#6
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Keyboard Tough Guy
Join Date: Jul 2004
Location: Trenton, NJ
Posts: 6,341
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Quote:
Originally Posted by 98tadriver
but i would have to license that car though, right?
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no, scanning is a free add-on.
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01-22-2007, 04:35 PM
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#7
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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so i just plug it in, then go to vcm scanner and i can scan it?
__________________
01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
Last edited by 98tadriver; 01-22-2007 at 04:36 PM.
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01-22-2007, 06:20 PM
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#8
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Keyboard Tough Guy
Join Date: Jul 2004
Location: Trenton, NJ
Posts: 6,341
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yup
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01-22-2007, 11:34 PM
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#9
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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awesome!
__________________
01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
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03-01-2007, 03:21 PM
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#10
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Join Date: Feb 2007
Location: Wrightstown, NJ
Posts: 491
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Did it work for you? Brian at PCM's for less is an outstanding tuner (the best for LT1's IMO). If for any reason his tune is off, like posted above, I'm sure he'll retune it for free.
More than likely his tune is accurate, and somethings up with the car. The scan will help track it down, but sounds like a bad MAF to me.
__________________
95 Z28 M6, 383, D1SC, FMIC, ect., ect., 614 RWHP with the stock PCM and pump gas!
98 Formula WS6 M6
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03-04-2007, 02:38 PM
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#11
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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yep it was a bad MAF lol!
__________________
01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
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03-04-2007, 02:45 PM
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#12
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Join Date: Feb 2007
Location: Wrightstown, NJ
Posts: 491
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Quote:
Originally Posted by 98tadriver
yep it was a bad MAF lol!
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Glad you got it taken care of 
__________________
95 Z28 M6, 383, D1SC, FMIC, ect., ect., 614 RWHP with the stock PCM and pump gas!
98 Formula WS6 M6
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