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Author
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Topic: 5.0 electrical?problem starts somtimes
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street_illegal_stang
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Member # 1554
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posted
 
 
Hey,
I've recently fix my car and was running good last week.
today I started it and it ran okay for like 3 minutes then started to choke out like it was going out of gas then died. after a few restarts
and stumbling idles i notice after just leaving the key in the on position(not cranking) in a course of 1 minute the fuel pump primed on and off like 10 times by it self. so I though maybe since my ignition lock is a little jacked up its causing it to go fubar. I replaced it along with the ignition switch cuz they both looked real suspect but I'm still having no luck getting it
fired up . its really strange cuz it ran great last week and just today I've expireanced this
ocassional start b.s.
What should I check now?
I'm thinking its gotta be a loose connection somwhere or somthings grounding out. ![[Confused]](confused.gif)
damn mustang...its always somthing ![[Razz]](tongue.gif)
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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NightmareB4Xmas_68
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Member # 6371
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posted
WHEN YOU TURN THE KEY DO YOU HEAR THE PUMP COME ON...?
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One day it'll get finished
Posts: 827 | From: OAKLAND,CA | Registered: Jan 2006
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93ReefBlue5.0
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Member # 5780
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posted
that could be a fuel pump relay problem. see if you can jump the relay...
Posts: 1535 | From: Sacramento, CA | Registered: Jun 2005
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30Tunes
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Member # 8105
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posted
lol @ the "its always something".....
damn your so right....
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SUCCESS ONLY COMES BEFORE WORK IN THE DICTIONARY
1991 Calypso Green Notch
1993 Cobra Clone - SOLD
Posts: 829 | From: Bay Area | Registered: Dec 2007
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street_illegal_stang
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Member # 1554
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posted
yes, the fuel pump comes on.
i'll swap out the relay and see if that does anything but it does cycle.
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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street_illegal_stang
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Member # 1554
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posted
[ May 11, 2008, 06:22 PM: Message edited by: street_illegal_stang ]
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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street_illegal_stang
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Member # 1554
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posted
alright, so i have fuel and spark.
I'm going to test the tfi and replace the starter relay tomorrow. btw Where is the starter relay located? on the solenoid? first time I've replaced one of those
if that doesnt solve anything I'll replace the inertia switch.
It started up for 20 seconds(running good) then started running like somebody was turning the key quickly on & off .when it acts up while running ,the stock tach reads 900rpms then will intermentantly drop to 0 rpms then jump back up, continuing in that fasion then dies.would start back up after a second attemp.
oh and everything else as far as volts,fuel,temp,oil,speedo gauge display is working normal.
I've replaced the ignition switch and lock already.
I hope I dont have to replace the ecu harness
![[Frown]](frown.gif)
any ideas? if you need more info please lmk
I dont have any codes popping up.
I held down the gas pedal to verify if its flooded.
checked grounds and acessible connection of harnesses.
I even added gas, checked arc of spark,and tps values.
arrggh wheres the starter relay? ![[Roll Eyes]](rolleyes.gif)
[ May 13, 2008, 12:28 AM: Message edited by: street_illegal_stang ]
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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SHORTSHIFTER89
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Member # 7810
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posted
man aint that the truth IT'S ALWAYS SOMETHING sounds like somthing that happend to me but my car would just cut off on me while driveing or just parked pain in the butt took it to everyshop just about changed everthing you changed street illegal stang so i new it was something small and it was. it was a wire on the firewall under the hood thats connected to the fuel injectors was just old and bad cracked. so i got it replaced and man i have had no problems since. but it cost alot just to find that littile problem. good luck. ![[Big Grin]](biggrin.gif)
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1989 Mustang 5.0 HCI NOW SUPERCHARGED
2013 Range Rover Sport
2011 Bmw 5501 twin turbo 530HP
1998 silverado c1500 cheyenne
Posts: 923 | From: 707 hillside | Registered: Jul 2007
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Jaejae5.0
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Member # 7958
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posted
i just had that problem a few days ago..my car would shut on and off..i left the key in the on position and started messing with the battery cables just tapping it and it turned out that everytime id move the positive cable a certain way the fuel pump would turn on and i could hear everything else turning on and offthink you should check your connections if not replace them..
Posts: 4890 | From: the combustion chamber | Registered: Oct 2007
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street_illegal_stang
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Member # 1554
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posted
ok,
I got it running for 5 minutes-till it cut it self off. I ran the codes and got #14,& #18
"ignition profile pick eratic" and "spout circuit
open." My spout connecter was in.
so I went ahead and swaped out the tfi just to verify thats is not the problem.
I just diconnected the battery. I'll see if I can get it started again and run the codes again.
maybe its in a limp mode or fail safe mode?
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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turbo50
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Member # 6700
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posted
This site is always helpful in troubleshooting the eec.
I had this same problem with a faulty fuel pump but it would mostly act up when it was hot out and low on gasoline.
http://fordfuelinjection.com/?p=1
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.........when was the last time YOU built something with YOUR own hands?
I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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turbo50
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Member # 6700
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posted
quote:
Originally posted by street_illegal_stang:
ok,
I got it running for 5 minutes-till it cut it self off. I ran the codes and got #14,& #18
"ignition profile pick eratic" and "spout circuit
open." My spout connecter was in.
so I went ahead and swaped out the tfi just to verify thats is not the problem.
I just diconnected the battery. I'll see if I can get it started again and run the codes again.
maybe its in a limp mode or fail safe mode?
Those codes come from the car stalling.
http://fordfuelinjection.com/?p=14
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.........when was the last time YOU built something with YOUR own hands?
I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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street_illegal_stang
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Member # 1554
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posted
quote:
Originally posted by turbo50:
quote:
Originally posted by street_illegal_stang:
ok,
I got it running for 5 minutes-till it cut it self off. I ran the codes and got #14,& #18
"ignition profile pick eratic" and "spout circuit
open." My spout connecter was in.
so I went ahead and swaped out the tfi just to verify thats is not the problem.
I just diconnected the battery. I'll see if I can get it started again and run the codes again.
maybe its in a limp mode or fail safe mode?
Those codes come from the car stalling.
http://fordfuelinjection.com/?p=14
thanks man...I'm thinking its somthing dying inside my distrubutor. can you replace the "pip"
inside the dizzy easily?
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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street_illegal_stang
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Member # 1554
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posted
update:
car starts and runs good after swaping out the distrubutor. ran codes only with #11 system pass.
Don't Buy Kragens dizzy's. This one took a shit with less than 500 miles! so if you ever get code 14 think of the distrubutor.
is the stator the metal disc the rotor sits on?
just curious if I can fix the failed one.
Thanks for your help. talk to you soon im sure.I own 3 fox bodies ![[burnout]](graemlins/burnout.gif)
Posts: 1276 | From: Long Beach C.A | Registered: Jul 2002
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turbo50
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Member # 6700
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posted
Always use genuine ford parts when it comes to sensors/actuators etc.
I wouldnt waste my time with fixing dist with the high availability of the SEFI 5.0L dist.
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.........when was the last time YOU built something with YOUR own hands?
I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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SHORTSHIFTER89
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Member # 7810
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posted
i agree with turbo50. and yeah i use to buy that kragen crap for under my hood but that was years and years ago always had problems never again. always ford prodect now. i only buy oil out of kragen and that is to much i go to superwalmart now ![[patriot]](graemlins/patriot.gif) glad you back on the road bet you had sleepless nights thinking about it ![[Whoo Whooooo!]](graemlins/woowoo.gif)
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1989 Mustang 5.0 HCI NOW SUPERCHARGED
2013 Range Rover Sport
2011 Bmw 5501 twin turbo 530HP
1998 silverado c1500 cheyenne
Posts: 923 | From: 707 hillside | Registered: Jul 2007
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