Help with 88 gt non starting issue

drlegion · February 6th, 2011, 03:09 PM

I started my car last week to let it warm up, it ran for 10-15 mins, i went in to grab my phone, i heard the car die. I go back out try to start it it runs rough, give it gas it dies. I decided to go ahead and change the fuel pump and fuel filter, hadnt done it yet. Now it turns over, you crank it 4x, it starts for 10 secs, dies, crank 4x, starts runs 10 secs, dies. after 2 or 3 times, it won't start anymore. i hadn't changed anything on the car, was driving fine, just died., Any help would be greatly appreciated. Tomorrow i'm gonna clean iac, and replace coil., thought i might replace my key switch too, seems lose.

mayosailor27 · February 6th, 2011, 03:26 PM

well it could be a the pick up coil, pip, in the distrubutor. do a little search on it

VM0824 · February 6th, 2011, 03:40 PM

codes? would def narrow the problem(s)

drlegion · February 6th, 2011, 07:20 PM

no codes, no check engine light, i'm going to change the coil tomorrow., and my ignition switch was tampered with[attempted theft], about a year ago.,

mayosailor27 · February 6th, 2011, 07:22 PM

you sure it didnt surge and die?

drlegion · February 6th, 2011, 07:24 PM

no, not sure. it will idle for like 10 secs, then dies like you shut it off

VM0824 · February 7th, 2011, 09:21 AM

sounds like how my car ran when the MAF sensor connector was loose. but im not sure about speed density setups....

flattusmaximus78 · February 7th, 2011, 10:17 AM

You scanned for codes? Just because they don't flash doesn't mean they don't exist. Don't change the pump and the filter until you know whats wrong. Thats setting yourself up for failure. Why does everyone think the fuel filter solves everything?

fogged306 · February 7th, 2011, 10:25 AM

Put a fuel pressure gauge on it and watch it when it stalls. See if maybe you're losing fuel. Def don't just start throwing parts at it.

Another thing you can try is to check for spark when it won't start. You need to isolate the issue to either a fuel or an ignition problem before you do anything else.

VM0824 · February 7th, 2011, 10:25 AM

more than the fuel filter i always get "probably water in the gas tank". which basically means "i dont really kno..."

drlegion · February 7th, 2011, 01:36 PM

i already had plans to upgrade the fuel pump, was running a stock pump on the fresh 306, i did switch it over to the MAF setup., and i would never install a fuel pump and not change the filter

1slo5.0 · February 7th, 2011, 03:55 PM

What is the fuel pressure when the car dies? Does it have spark when it dies? Is there a performance chip in the computer?

FYI, your plan is going to cost you a bunch of money. Diagnose the problem and then fix the problem. Don't just throw parts at it until it is fixed. All that will do is cost you time and money.

95tbirdv8 · February 7th, 2011, 04:48 PM

No one has mentioned the fuel pump relay

drlegion · February 7th, 2011, 05:06 PM

ill check the fuel pump relay. someone needed my fuel pressure guage more than me, apparently, so i have to go get a new one, yes there is spark when it dies

91vbstang · February 7th, 2011, 08:56 PM

the same thing happen to me, found out my fuel gauge was off and it had no fuel, yea you feel like an idiot but hey now you know.Try some gas.

gripthenboost · February 8th, 2011, 01:43 AM

Check your fuse linkage coming from off the yellow wire on the solenoid next to the coil, That goes to the computer and it then tell the computer to give spark to the coil. Mine to a shit on me bout 7 hours ago.

1slo5.0 · February 8th, 2011, 07:56 AM

Originally Posted by 91vbstang

the same thing happen to me, found out my fuel gauge was off and it had no fuel, yea you feel like an idiot but hey now you know.Try some gas.

.

Originally Posted by drlegion

ill check the fuel pump relay. someone needed my fuel pressure guage more than me, apparently, so i have to go get a new one, yes there is spark when it dies

drlegion · February 8th, 2011, 10:53 AM

thanks for all the advice guys, i'm still working on it, but it's snowing today.

drlegion · February 27th, 2011, 11:08 PM

I finally got it running, the fuel pump wasnt pumping?, i submerged it in fuel,and it now works fine.I let it run for about 30 mins, does fine, now i have about two days of reassembly to get to drive it. thanx again for the help

February 6th, 2011, 03:09 PM	#1
drlegion Newbie 1988 gt Join Date: Feb 2011 Location: johnson city, TN Posts: 7 iTrader: 0 reviews	Help with 88 gt non starting issue I started my car last week to let it warm up, it ran for 10-15 mins, i went in to grab my phone, i heard the car die. I go back out try to start it it runs rough, give it gas it dies. I decided to go ahead and change the fuel pump and fuel filter, hadnt done it yet. Now it turns over, you crank it 4x, it starts for 10 secs, dies, crank 4x, starts runs 10 secs, dies. after 2 or 3 times, it won't start anymore. i hadn't changed anything on the car, was driving fine, just died., Any help would be greatly appreciated. Tomorrow i'm gonna clean iac, and replace coil., thought i might replace my key switch too, seems lose.

February 6th, 2011, 03:26 PM	#2
mayosailor27 Better than Drugs! 97 Cobra makin' women wet Decent @ A fast one Join Date: Feb 2011 Location: Norfolk, VA now Posts: 1,587 iTrader: 0 reviews	well it could be a the pick up coil, pip, in the distrubutor. do a little search on it __________________ 96 GT-sold 98 GT-05 katrina victim-parted 90 GT-traded 98 GT-traded 98 GT-parted 94 GT/Cobra-sold 95 Cobra Saleened-sold 97 Cobra-knock -sold 99 GT-knock-sold 97 Cobra-sold 96 Cobra-nothing wrong but stock! MM Cobra member 969

February 6th, 2011, 03:40 PM	#3
VM0824 Regular 1989 Mustang GT ~14@99 (b4 turbo) Join Date: Mar 2010 Location: Pt Pleasant, NJ Posts: 455 iTrader: 0 reviews	codes? would def narrow the problem(s) __________________ 306 w/ 8.9:1 ON3 70mm turbo kit - 9#'s boost arp chromoly studs 47# FRPP - 255 walbro 3.73 - tremec 3550 - zoom hp kevlar clutch msd 6a + blaster coil lowered. sfc. HID delete egr-smog-cats-a/c-foglights battery reloc QuarterHorse, BE, EA

February 6th, 2011, 07:22 PM	#5
mayosailor27 Better than Drugs! 97 Cobra makin' women wet Decent @ A fast one Join Date: Feb 2011 Location: Norfolk, VA now Posts: 1,587 iTrader: 0 reviews	you sure it didnt surge and die? __________________ 96 GT-sold 98 GT-05 katrina victim-parted 90 GT-traded 98 GT-traded 98 GT-parted 94 GT/Cobra-sold 95 Cobra Saleened-sold 97 Cobra-knock -sold 99 GT-knock-sold 97 Cobra-sold 96 Cobra-nothing wrong but stock! MM Cobra member 969

February 7th, 2011, 09:21 AM	#7
VM0824 Regular 1989 Mustang GT ~14@99 (b4 turbo) Join Date: Mar 2010 Location: Pt Pleasant, NJ Posts: 455 iTrader: 0 reviews	sounds like how my car ran when the MAF sensor connector was loose. but im not sure about speed density setups.... __________________ 306 w/ 8.9:1 ON3 70mm turbo kit - 9#'s boost arp chromoly studs 47# FRPP - 255 walbro 3.73 - tremec 3550 - zoom hp kevlar clutch msd 6a + blaster coil lowered. sfc. HID delete egr-smog-cats-a/c-foglights battery reloc QuarterHorse, BE, EA

February 6th, 2011, 07:20 PM	#4
drlegion Newbie 1988 gt Join Date: Feb 2011 Location: johnson city, TN Posts: 7 iTrader: 0 reviews	no codes, no check engine light, i'm going to change the coil tomorrow., and my ignition switch was tampered with[attempted theft], about a year ago.,

February 6th, 2011, 07:24 PM	#6
drlegion Newbie 1988 gt Join Date: Feb 2011 Location: johnson city, TN Posts: 7 iTrader: 0 reviews	no, not sure. it will idle for like 10 secs, then dies like you shut it off

February 7th, 2011, 10:17 AM	#8
flattusmaximus78 I Post Entirely Way Too Much 1993 5.ohhhh 12.97 @140mph Join Date: Apr 2006 Location: Gatorland Posts: 6,122 iTrader: 3 reviews	You scanned for codes? Just because they don't flash doesn't mean they don't exist. Don't change the pump and the filter until you know whats wrong. Thats setting yourself up for failure. Why does everyone think the fuel filter solves everything? __________________ 02 Pewter z28, hoosiers/lid/exhaust/spray...125mph 1993 gt Sold, already missed --Moates Quarter horse $225-- --Cobra intake $150-- --tremec 3550 bell and shifter $1100--

February 7th, 2011, 10:25 AM	#9
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	Put a fuel pressure gauge on it and watch it when it stalls. See if maybe you're losing fuel. Def don't just start throwing parts at it. Another thing you can try is to check for spark when it won't start. You need to isolate the issue to either a fuel or an ignition problem before you do anything else.

February 7th, 2011, 01:36 PM	#11
drlegion Newbie 1988 gt Join Date: Feb 2011 Location: johnson city, TN Posts: 7 iTrader: 0 reviews	i already had plans to upgrade the fuel pump, was running a stock pump on the fresh 306, i did switch it over to the MAF setup., and i would never install a fuel pump and not change the filter

February 7th, 2011, 03:55 PM	#12
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	What is the fuel pressure when the car dies? Does it have spark when it dies? Is there a performance chip in the computer? FYI, your plan is going to cost you a bunch of money. Diagnose the problem and then fix the problem. Don't just throw parts at it until it is fixed. All that will do is cost you time and money. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

February 7th, 2011, 04:48 PM	#13
95tbirdv8 Enthusiast 1990 mustang gt Join Date: May 2010 Location: houston, tx Posts: 627 iTrader: 0 reviews	No one has mentioned the fuel pump relay __________________ Burning Rubber in the 5.0 http://www.youtube.com/watch?v=mKGSmRkKQcM95 95 mark8 lsc 95 tbird v8 90 mustang gt 07 silverado v8 08 yamaha r6 to be continued........ foxbodyperformance.com is the way to go

February 7th, 2011, 05:06 PM	#14
drlegion Newbie 1988 gt Join Date: Feb 2011 Location: johnson city, TN Posts: 7 iTrader: 0 reviews	ill check the fuel pump relay. someone needed my fuel pressure guage more than me, apparently, so i have to go get a new one, yes there is spark when it dies

February 8th, 2011, 01:43 AM	#16
gripthenboost Hardcore Enthusiast 91 Mustang GT 1991 sliver GT Join Date: Apr 2010 Location: New York Posts: 1,213 iTrader: 0 reviews	Check your fuse linkage coming from off the yellow wire on the solenoid next to the coil, That goes to the computer and it then tell the computer to give spark to the coil. Mine to a shit on me bout 7 hours ago. __________________

February 8th, 2011, 10:53 AM	#18
drlegion Newbie 1988 gt Join Date: Feb 2011 Location: johnson city, TN Posts: 7 iTrader: 0 reviews	thanks for all the advice guys, i'm still working on it, but it's snowing today.

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February 27th, 2011, 11:08 PM	#19
drlegion Newbie 1988 gt Join Date: Feb 2011 Location: johnson city, TN Posts: 7 iTrader: 0 reviews	I finally got it running, the fuel pump wasnt pumping?, i submerged it in fuel,and it now works fine.I let it run for about 30 mins, does fine, now i have about two days of reassembly to get to drive it. thanx again for the help

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