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  • SN95 4.6L Mustang Tech

Problem Starting?

  • Thread starter Thread starter bullitt07
  • Start date Start date Sep 30, 2007
B

bullitt07

New Member
Sep 30, 2007
4
0
0
Sep 30, 2007
#1
  • Sep 30, 2007
  • #1
Hello everyone,

I've got a 2001 bullitt, 49,XXX miles, just got it a few weeks ago. About one in every twenty or so times I try to start the car, it turns over for about four seconds and just wont start, then it starts right up one the second attempt. Sometimes it will also just barely start after the four or five seconds of turning over, as in , run at 300-400 RPM instead of jumping to the normal 900-1000 rpm idle ( or w/e is "normal"). It will run at 300-400 then after a second, jump to normal RPMS. The motor is turning over, but its just not cranking. I dont know what would cause this problem? I'm really lost? The car runs like a top other than that.
 

the98stang

Active Member
Aug 12, 2005
2,408
0
47
Clovis, CA
Sep 30, 2007
#2
  • Sep 30, 2007
  • #2
bullitt07 said:
Hello everyone,

I've got a 2001 bullitt, 49,XXX miles, just got it a few weeks ago. About one in every twenty or so times I try to start the car, it turns over for about four seconds and just wont start, then it starts right up one the second attempt. Sometimes it will also just barely start after the four or five seconds of turning over, as in , run at 300-400 RPM instead of jumping to the normal 900-1000 rpm idle ( or w/e is "normal"). It will run at 300-400 then after a second, jump to normal RPMS. The motor is turning over, but its just not cranking. I dont know what would cause this problem? I'm really lost? The car runs like a top other than that.
Click to expand...

This could be a fuel pressure problem. Check the fuel pressure at the rails to see if the fuel pump is going out. Fuel injectors might also be clogged. When is the last time you changed the fuel filter?
 
B

bullitt07

New Member
Sep 30, 2007
4
0
0
Sep 30, 2007
#3
  • Sep 30, 2007
  • #3
I just got the car a few weeks ago, so I havent changed it. Is is hard? I'm going to change the oil next week, so if its not to difficult, i'll change it aswell. And possibly buy some fuel injector cleaner?
 

2000fordstanggt

Member
Sep 6, 2005
404
1
16
Westland, MI
Sep 30, 2007
#4
  • Sep 30, 2007
  • #4
bullitt07 said:
I just got the car a few weeks ago, so I havent changed it. Is is hard? I'm going to change the oil next week, so if its not to difficult, i'll change it aswell. And possibly buy some fuel injector cleaner?
Click to expand...

the only fuel injector cleaner that actually works is lucas.

heres for the fuel filter change
http://www.bullittarchive.com/1009.htm
 

urban96

bubb rubb says:"woo woooooo"
Founding Member
Sep 24, 2002
3,464
1
69
Syracuse, NY
Sep 30, 2007
#5
  • Sep 30, 2007
  • #5
i would check IAC also

sometimes if you upshift and the rpm's are low (1200-1500) does the car seem to bog down more than normal?
 

Stus99GT

Member
Nov 14, 2003
75
0
6
VA
Sep 30, 2007
#6
  • Sep 30, 2007
  • #6
This is a common problem with the Bullitts. Nothing to worry about. Do a search on IMBOC.com for more info.
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,298
18,003
224
Massachusetts
Sep 30, 2007
#7
  • Sep 30, 2007
  • #7
Very common Mustang problem. Mine does it from time to time. Usually holding the key to on, waiting for the fuel pump to cycle and then starting it helps.

I beleive the problem is IAC related.
 

scupking

Active Member
Sep 18, 2005
1,186
1
36
Enfield, CT
Sep 30, 2007
#8
  • Sep 30, 2007
  • #8
It's your IAC, mine would do the same thing on humid days. It would start but stall. If I kept my foot on the gas it would stay running till I let off. Some times just like you it would idle at around 250 rpm. I replaced the IAC a few weeks ago and all is good.
 
B

bullitt07

New Member
Sep 30, 2007
4
0
0
Sep 30, 2007
#9
  • Sep 30, 2007
  • #9
damn, well I've been trying the key in on position for the past 8 or so starts and havent had a problem yet. maybe that was it?
 
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