Need quick help car wont start...

VOGEL822 · November 30th, 2010, 10:48 AM

hey whats up guys im new to this site.... got a lil prob just finished my build in my fox body had the car running for about and hr... on and off several times. had the car running then she just quit like it ran out of fuel..threw more fuel in her and still wont fire... things ive checked...

fuel pump is working correctly- i have pressure at the rails
checked the relay under the seat ..looks clean
checked for spark i have a spark but nothing crazy...like orange i have yet to change the coil its the oem one from 88 still im left to believe this is my problem...not enough spark need a new coil ? what do u guys think thanks for the help.

VOGEL822 · November 30th, 2010, 11:18 AM

helppppppp

FastStang91Lx · November 30th, 2010, 10:24 PM

Fuel/spark/air/timing... That's what makes 'em run. What was your pressure at the rails? Did you use a gauge? Did you set your initial timing anywhere from 10-14 btdc?

VOGEL822 · November 30th, 2010, 11:34 PM

all is good like i seaid car was running prior to this for and hr or so

VOGEL822 · November 30th, 2010, 11:35 PM

i have fuel spark air timing is good... i have weak spark possible the spark is too weak like the coil craped out on me?

VOGEL822 · December 1st, 2010, 11:48 AM

hmmmmmmmmmmmm

FastStang91Lx · December 1st, 2010, 06:50 PM

So... I'm guessing you're really saying that you don't really have the spark then, huh?

Frozen_Joker · December 1st, 2010, 11:59 PM

You should get several blue sparks, if you don't then its your Ignition Coil.

Frozen_Joker · December 2nd, 2010, 12:00 AM

Take your ignition wire off the distributor and lay it on the intake, try and start it. You should see several blue sparks come out repeatedly, if they are not blue or you only get 1 or 2 then the problem lies in the ignition coil.

moneymo · December 2nd, 2010, 03:12 AM

Originally Posted by Frozen_Joker

Take your ignition wire off the distributor and lay it on the intake, try and start it. You should see several blue sparks come out repeatedly, if they are not blue or you only get 1 or 2 then the problem lies in the ignition coil.

1+

VOGEL822 · December 2nd, 2010, 09:37 AM

just threw a msd coil and still no gooddd......................

VOGEL822 · December 2nd, 2010, 09:37 AM

plugs are wet from getting fuel...not fouled out..........

FastStang91Lx · December 2nd, 2010, 07:03 PM

check your voltage to the coil.

Frozen_Joker · December 2nd, 2010, 11:13 PM

Sounds like TFI then.

VOGEL822 · December 3rd, 2010, 12:10 AM

ok ill keep it posted

fogged306 · December 3rd, 2010, 12:42 AM

Check your block and battery grounds.

moneymo · December 3rd, 2010, 12:48 AM

TFI i believe. Mine just went out as we speak so im waiting till tomorrow to get a new one.

VOGEL822 · December 4th, 2010, 05:00 PM

problem was fuel pump....i was getting pressure 47lbs i belive it was and when the key was turrned i lost ALL FUEL pressure...i upgraded to a walbro 255 and that was the problem strange tho because it was working but apparently just not correctly thanks for the help guys!

fogged306 · December 4th, 2010, 05:45 PM

When you turn the key off you will lose all fuel pressure. How quickly it drops is how you tell if you have a leak/bad pump. If it drops almost instantly when you shut the key off then that pump was your issue. If it took like 15 mins to bleed off, then changing that pump and the car starting may have been coincidence and there still might be an issue that might pop back up again.

real57vetteguy · December 4th, 2010, 11:58 PM

how old is the dizzy? check ignition module

November 30th, 2010, 10:48 AM	#1
VOGEL822 Regular Join Date: Nov 2010 Posts: 141 iTrader: 0 reviews	Need quick help car wont start... hey whats up guys im new to this site.... got a lil prob just finished my build in my fox body had the car running for about and hr... on and off several times. had the car running then she just quit like it ran out of fuel..threw more fuel in her and still wont fire... things ive checked... fuel pump is working correctly- i have pressure at the rails checked the relay under the seat ..looks clean checked for spark i have a spark but nothing crazy...like orange i have yet to change the coil its the oem one from 88 still im left to believe this is my problem...not enough spark need a new coil ? what do u guys think thanks for the help.

November 30th, 2010, 10:24 PM	#3
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	Fuel/spark/air/timing... That's what makes 'em run. What was your pressure at the rails? Did you use a gauge? Did you set your initial timing anywhere from 10-14 btdc? __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

December 1st, 2010, 06:50 PM	#7
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	So... I'm guessing you're really saying that you don't really have the spark then, huh? __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

December 2nd, 2010, 07:03 PM	#13
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	check your voltage to the coil. __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

December 3rd, 2010, 12:48 AM	#17
moneymo Premium Member 1991 Mustang Gt 5.0 Join Date: Sep 2010 Location: Grayson, GA Posts: 197 iTrader: 0 reviews	TFI i believe. Mine just went out as we speak so im waiting till tomorrow to get a new one. __________________ 91 Mustang Gt 306/Under Drive Pulleys/gt40 heads/ so many more goodies

November 30th, 2010, 11:18 AM	#2
VOGEL822 Regular Join Date: Nov 2010 Posts: 141 iTrader: 0 reviews	helppppppp

November 30th, 2010, 11:34 PM	#4
VOGEL822 Regular Join Date: Nov 2010 Posts: 141 iTrader: 0 reviews	all is good like i seaid car was running prior to this for and hr or so

November 30th, 2010, 11:35 PM	#5
VOGEL822 Regular Join Date: Nov 2010 Posts: 141 iTrader: 0 reviews	i have fuel spark air timing is good... i have weak spark possible the spark is too weak like the coil craped out on me?

December 1st, 2010, 11:48 AM	#6
VOGEL822 Regular Join Date: Nov 2010 Posts: 141 iTrader: 0 reviews	hmmmmmmmmmmmm

December 1st, 2010, 11:59 PM	#8
Frozen_Joker Newbie Join Date: Oct 2010 Posts: 38 iTrader: 0 reviews	You should get several blue sparks, if you don't then its your Ignition Coil.

December 2nd, 2010, 12:00 AM	#9
Frozen_Joker Newbie Join Date: Oct 2010 Posts: 38 iTrader: 0 reviews	Take your ignition wire off the distributor and lay it on the intake, try and start it. You should see several blue sparks come out repeatedly, if they are not blue or you only get 1 or 2 then the problem lies in the ignition coil.

December 2nd, 2010, 09:37 AM	#11
VOGEL822 Regular Join Date: Nov 2010 Posts: 141 iTrader: 0 reviews	just threw a msd coil and still no gooddd......................

December 2nd, 2010, 11:13 PM	#14
Frozen_Joker Newbie Join Date: Oct 2010 Posts: 38 iTrader: 0 reviews	Sounds like TFI then.

December 3rd, 2010, 12:10 AM	#15
VOGEL822 Regular Join Date: Nov 2010 Posts: 141 iTrader: 0 reviews	ok ill keep it posted

December 3rd, 2010, 12:42 AM	#16
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	Check your block and battery grounds.

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December 4th, 2010, 05:00 PM	#18
VOGEL822 Regular Join Date: Nov 2010 Posts: 141 iTrader: 0 reviews	problem was fuel pump....i was getting pressure 47lbs i belive it was and when the key was turrned i lost ALL FUEL pressure...i upgraded to a walbro 255 and that was the problem strange tho because it was working but apparently just not correctly thanks for the help guys!

December 4th, 2010, 05:45 PM	#19
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	When you turn the key off you will lose all fuel pressure. How quickly it drops is how you tell if you have a leak/bad pump. If it drops almost instantly when you shut the key off then that pump was your issue. If it took like 15 mins to bleed off, then changing that pump and the car starting may have been coincidence and there still might be an issue that might pop back up again.

December 4th, 2010, 11:58 PM	#20
real57vetteguy Enthusiast 1987 347 vortech V-2 Join Date: Nov 2009 Location: North Carolina Posts: 700 iTrader: 0 reviews	how old is the dizzy? check ignition module __________________ And when you lose control you reap the harvest you have sown!

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