V6 S197 General Discussion This section is for technical discussions pertaining specifically to the V6 variation of the 2005 and newer Ford Mustang.

Help With Problem?????

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Old May 16, 2008 | 10:22 AM
  #1  
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up_yours_7
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Default Help With Problem?????

So my car is acting up I have a 05 and the problem only occures when the gas is a little above a quarter tank. The toolbar light will come on and start putting really bad so i turn the car off and back on and it will be fine for a while then do it again and does it regularly till i fill the tank any know of the same problem or any threads?? thanks
Old May 16, 2008 | 10:46 AM
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Default RE: Help With Problem?????

May be the gas cap.
Old May 16, 2008 | 10:47 AM
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Default RE: Help With Problem?????

What about the gas cap? I put a locking gas cap on it and took the stock off.
Old May 16, 2008 | 10:49 AM
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Default RE: Help With Problem?????

That may be the problem. The manual says the gas cap can throw that light. Put the stocker back on and see if it goes away.
Old May 16, 2008 | 10:54 AM
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Default RE: Help With Problem?????

ok i will go try it right now thanks
Old May 16, 2008 | 10:59 AM
  #6  
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Default RE: Help With Problem?????

Actually, I just reviewed my manual, there is a special light if equipped for fuel cap.... BUT the is an entire section in the back Maintenance and Specifications section that is written in BOLD not to use any other fuel cap, damage can result, and it can void the warranty. The "wrench" lightis limp mode.
Old May 16, 2008 | 11:12 AM
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Default RE: Help With Problem?????

ok well so far its fine i will update if it starts again. does it say what causes limp mode? do you know if they sale hanes manuals for an 05?
Old May 16, 2008 | 11:17 AM
  #8  
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Default RE: Help With Problem?????

I think anything that can cause damage to the engine will throw you into limp. The manual said non-factory caps can cause a vacuum in the tank, and damage fuel system components. If the computer sensed it, it probably saved you some money. As far as a haynes, no haven't seen one. You can look here for info:
http://iihs.net/fsm/?dir=41
Old May 16, 2008 | 11:21 AM
  #9  
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Default RE: Help With Problem?????

I found the troubleshooting chart, and it said to go to chart 12 for the wrench, first thing to check is the fuel cap for the fuel cap light, scroll down and it sends you on goose chase.
http://iihs.net/fsm/?dir=9&viewfile=...m%20Charts.pdf
Old May 16, 2008 | 11:27 AM
  #10  
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Default RE: Help With Problem?????

You don't happen to have a tuner so you can check for DTCs do you.



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