Help With Problem?????

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Help With Problem?????

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Mustang >> Ford Mustang Tech >> 2005 - 2008 Mustangs >> 4.0L V6 Specific >> Help With Problem?????

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Help With Problem????? - 5/16/2008 8:22:01 AM

up_yours_7

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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

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RE: Help With Problem????? - 5/16/2008 8:46:09 AM

themac5150

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May be the gas cap.

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RE: Help With Problem????? - 5/16/2008 8:47:59 AM

up_yours_7

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What about the gas cap? I put a locking gas cap on it and took the stock off.

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RE: Help With Problem????? - 5/16/2008 8:49:36 AM

themac5150

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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.

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RE: Help With Problem????? - 5/16/2008 8:54:44 AM

up_yours_7

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ok i will go try it right now thanks

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RE: Help With Problem????? - 5/16/2008 8:59:37 AM

themac5150

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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" light is limp mode.

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RE: Help With Problem????? - 5/16/2008 9:12:22 AM

up_yours_7

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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?

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RE: Help With Problem????? - 5/16/2008 9:17:30 AM

themac5150

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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

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RE: Help With Problem????? - 5/16/2008 9:21:02 AM

themac5150

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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=Step%203-%20No%20Diagnostic%20Trouble%20Codes%20(DTCs)%20Present%20Symptom%20Charts.pdf

< Message edited by themac5150 -- 5/16/2008 9:29:30 AM >

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RE: Help With Problem????? - 5/16/2008 9:27:46 AM

themac5150

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

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RE: Help With Problem????? - 5/16/2008 9:31:51 AM

up_yours_7

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i dont but going to get one within the month

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RE: Help With Problem????? - 5/16/2008 9:33:57 AM

themac5150

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Did the limp mode light go out?

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RE: Help With Problem????? - 5/16/2008 9:42:19 AM

up_yours_7

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yes but check engine light is on the light will come on everyonce in a while so i will turn the car off then back and and it will go away for a while

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RE: Help With Problem????? - 5/16/2008 9:42:26 AM

157db

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quote:

ORIGINAL: up_yours_7

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?

Haynes is available but the Ford Workshop manual is WAY better....

http://iihs.net/fsm/?dir=1

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RE: Help With Problem????? - 5/16/2008 12:01:04 PM

tientran

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quote:

ORIGINAL: up_yours_7

What about the gas cap? I put a locking gas cap on it and took the stock off.

I bought a locking gas cap from AutoZone. The rubber ring is not fit the opening of the gas tank tight and the gas cap light is on. I returned it and bought MotorCraft locking gas cap for Mustang 2005. The MotorCraft is perfect. If the gas cap light on and you put the stock gas cap back, it takes one to two days for the light is OFF depend od how long you drive.

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RE: Help With Problem????? - 5/16/2008 12:24:51 PM

up_yours_7

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Its nothing to do with that its the wrench light that comes on everyonce in a while

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RE: Help With Problem????? - 5/16/2008 12:37:08 PM

PonyUp

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It was my understanding that new cars these days ( Im assumming our Mustangs qualify ) are built with gas tanks with a curved/angled fuel delivery pipe as to not allow a hose or something like that to reach the tank....hense, no chance of stealing gas....

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RE: Help With Problem????? - 5/16/2008 2:06:53 PM

tientran

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They don't steal gas. I am afraid of bad neighbor to put sand or sugar into my gas tank. It is more dangerous than stealing gas.

< Message edited by tientran -- 5/16/2008 2:08:04 PM >

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RE: Help With Problem????? - 5/17/2008 10:16:33 AM

up_yours_7

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ok well the wrench came on again so its not the gas cap i was told it might be the throttle body? does anyone have a pic of the stock throttle body on their car not sure if mine is or not? any other ideas on the problem? It comes on when im driving so while driving i will turn the car off wait a second then turn back on and it will run fine for a while????? any help

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RE: Help With Problem????? - 5/17/2008 10:36:02 AM

07 Stang

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Someone said athat Advanced Auto will read the codes for you. You may want to check them out. The only other option is to take it back to the dealer.

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