96 gt wont stay running

dirtdevil810 · October 25th, 2011, 03:14 AM

I have a 96 gt I had the car running sat night and Monday morning when i went to start the car for school in the morning it wouldn't kick over just replace the starter and is still doing the same thing. It will stay running as long as you hold rpm above 2k but it has a very dull sound. Anyone have any ideas???
oh and it is also running rich

thanks

LoveStangs88 · October 25th, 2011, 09:50 PM

Sounds like u have a vacuum leak, when i first put my cold air intake on a hose popped off and the car would run aslong as it was in gear and i had my foot on the gas but whenever it was in neutral it died, popped the hood and seen it was the hose that popped off.

So check all the hose connections to your cold air intake, throttle body, and plenum. Check all connections make sure they are snug and tight and no air is leaking out or if anything is cracked. If everything still looks fine then u might have a intake manifold gasket air leak on the top of the heads.

OptionalStang · October 25th, 2011, 10:50 PM

sounds exactly like a vaccum leak..

darkmajesty · October 25th, 2011, 11:48 PM

I know that if the cars IAC valve is running perfect.. apparently if the sensor gets unplugged the car will not stay running. If that is plugged in.. there are several small vacuum lines on the upper plenum itself.. including a pesky one on the back in the middle of the plenum that likes to crack or come off.

jme30426 · October 26th, 2011, 11:17 AM

Make sure to check the one in the back

StangGT96 · October 26th, 2011, 02:41 PM

if it's not a line try cleaning your IAC. had that issue with my 01' and all my hoses were snug so i cleaned my IAC which was the cure.

OptionalStang · October 26th, 2011, 08:00 PM

any luck dirtdevil?

dirtdevil810 · October 26th, 2011, 11:24 PM

ya sorry for the no reply guys got a lil overloaded with school it ended up being my mass airflow sensor

OptionalStang · October 27th, 2011, 10:50 AM

wtf is with that thing on these engines...its the #1 imo thats goings wrong with em...

dirtdevil810 · October 27th, 2011, 02:14 PM

what i don't get is that it didn't even turn a check engine light

October 25th, 2011, 09:50 PM	#2
LoveStangs88 Regular 96 Mustang GT B There 1 Day. Join Date: Jun 2010 Location: Aurora, CO Posts: 460 iTrader: 0 reviews	Sounds like u have a vacuum leak, when i first put my cold air intake on a hose popped off and the car would run aslong as it was in gear and i had my foot on the gas but whenever it was in neutral it died, popped the hood and seen it was the hose that popped off. So check all the hose connections to your cold air intake, throttle body, and plenum. Check all connections make sure they are snug and tight and no air is leaking out or if anything is cracked. If everything still looks fine then u might have a intake manifold gasket air leak on the top of the heads. __________________ PI Manifold. FRPP. Steeda. Magnaflow. BBK. Accufab. RAM. MGW. MSD. NGK. NTK. Billet. J&M. Powerslot. Hawk. Walbro. Motul. Fel-Pro. Dupli-color.

October 25th, 2011, 11:48 PM	#4
darkmajesty Regular 1996 Mustang GT 14.92@ 86 Join Date: May 2011 Location: Calico Rock, AR Posts: 298 iTrader: 3 reviews	I know that if the cars IAC valve is running perfect.. apparently if the sensor gets unplugged the car will not stay running. If that is plugged in.. there are several small vacuum lines on the upper plenum itself.. including a pesky one on the back in the middle of the plenum that likes to crack or come off. __________________ PP 75MM TB/PP Upper Plenum/Mac Prochamber/ Mac Flowpath Catback/JLT RAI/BBK UDP/SCT Race Tune/FRPP 4.10's/ 1/2 PI Swap/AM Short Shifter

October 26th, 2011, 11:17 AM	#5
jme30426 Regular 1996 Mustang GT Convertib NA Join Date: Mar 2010 Location: Georgia Posts: 68 iTrader: 0 reviews	Make sure to check the one in the back __________________ USA Street Kings

October 26th, 2011, 02:41 PM	#6
StangGT96 Regular 2001 Mustang GT not sure yet! Join Date: Apr 2009 Location: FL Posts: 237 iTrader: 0 reviews	if it's not a line try cleaning your IAC. had that issue with my 01' and all my hoses were snug so i cleaned my IAC which was the cure. __________________ Mac Pro-chamber mid, BBK CAI, 3.73 Gears, Flowmaster mufflers, sniper 93 octane tune, stage 2 clutch, Steeda Short throw, steeda springs, front brembos with ate pads, Stag 18's. Plenty more to come in the near future.. Go Big or Go Home!

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October 25th, 2011, 03:14 AM	#1
dirtdevil810 Newbie 1996 mustang gt Join Date: May 2011 Location: San diego Posts: 7 iTrader: 0 reviews	96 gt wont stay running I have a 96 gt I had the car running sat night and Monday morning when i went to start the car for school in the morning it wouldn't kick over just replace the starter and is still doing the same thing. It will stay running as long as you hold rpm above 2k but it has a very dull sound. Anyone have any ideas??? oh and it is also running rich thanks

October 25th, 2011, 10:50 PM	#3
OptionalStang Banned 1997 cougar 4.6 1/2PI TooFast4theFUZZ Join Date: May 2011 Location: se wi Posts: 991 iTrader: 1 reviews	sounds exactly like a vaccum leak..

October 26th, 2011, 08:00 PM	#7
OptionalStang Banned 1997 cougar 4.6 1/2PI TooFast4theFUZZ Join Date: May 2011 Location: se wi Posts: 991 iTrader: 1 reviews	any luck dirtdevil?

October 26th, 2011, 11:24 PM	#8
dirtdevil810 Newbie 1996 mustang gt Join Date: May 2011 Location: San diego Posts: 7 iTrader: 0 reviews	ya sorry for the no reply guys got a lil overloaded with school it ended up being my mass airflow sensor

October 27th, 2011, 10:50 AM	#9
OptionalStang Banned 1997 cougar 4.6 1/2PI TooFast4theFUZZ Join Date: May 2011 Location: se wi Posts: 991 iTrader: 1 reviews	wtf is with that thing on these engines...its the #1 imo thats goings wrong with em...

October 27th, 2011, 02:14 PM	#10
dirtdevil810 Newbie 1996 mustang gt Join Date: May 2011 Location: San diego Posts: 7 iTrader: 0 reviews	what i don't get is that it didn't even turn a check engine light

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