2001 Roush - Service Engine Light

SkzDaLimit · March 10th, 2006, 01:31 PM

Greetings - I have a 2001 Roush Mustang, mint condition, maintained and garaged. Slightly over 100K miles on her right now.

Have noticed over the past several months the Service Engine light will come on. This occurs shortly after getting gas and the light will go out after I have gotten down to around 1/2 a tank.

The dealership recommended I replace the gas cap, which I did. This worked for a couple of months and then the problem started again. Have run diagnostic checks when the light was on and also when off and everything came back clean.

Car runs like a kitten and there's been no changes in gas mileage or anything..... I am totally stumped at this point. Any suggestions?

-Michael in Atlanta, Georgia
Roush ID # 6652

mdvaldosta · March 10th, 2006, 01:42 PM

If your getting a light then a code is stored for usually 3 drivecycles even after going off. Run by Autozone or someplace and have them put their code scanner on it for free. Come back and post the code and we can be of more help.

Lots of things it could be if related to the gas tank, as the system should put a slight vacuum to lock in fumes - a number of things from the gas cap not sealing to detoriorated vacuum lines could be causing a problem. The code might help narrow the problem down.

SkzDaLimit · March 10th, 2006, 03:17 PM

Ok... Ran it by AutoZone during lunch. Looks like the EGR valve is sticking intermittently. They said it could be just gunked up a little bit. So I can either clean it out or buy a new one. Suggestions?

(Correction to my initial post - my baby only has 81K in mileage.... it's been a long week.....)

mdvaldosta · March 10th, 2006, 03:29 PM

What was the exact code? You have to excuse me but I don't trust auto parts boys to interprete a code.

SkzDaLimit · March 10th, 2006, 03:40 PM

The tester they used (and I know the guy pretty good there) actually tells you with text and it scrolled "EGR valve open" on the LCD. He cleared the code off so the stupid light would go off and not blind me.

I can always stop on the way home to the one closer to home and have it checked again by someone else.

turp · March 13th, 2006, 07:17 PM

SEAFOAM!!!!

March 10th, 2006, 01:31 PM	#1
SkzDaLimit Newbie Join Date: Mar 2006 Posts: 4	2001 Roush - Service Engine Light Greetings - I have a 2001 Roush Mustang, mint condition, maintained and garaged. Slightly over 100K miles on her right now. Have noticed over the past several months the Service Engine light will come on. This occurs shortly after getting gas and the light will go out after I have gotten down to around 1/2 a tank. The dealership recommended I replace the gas cap, which I did. This worked for a couple of months and then the problem started again. Have run diagnostic checks when the light was on and also when off and everything came back clean. Car runs like a kitten and there's been no changes in gas mileage or anything..... I am totally stumped at this point. Any suggestions? -Michael in Atlanta, Georgia Roush ID # 6652

March 13th, 2006, 07:17 PM	#6
turp Moderator 1989 MUSTANG LX 5.0 16.17@86.21(bone stock on street tires) Join Date: Aug 2005 Location: Virginia Beach, VA Posts: 2,893	SEAFOAM!!!! __________________ SUPPORT YOUR LOCAL HOOKERS....HUG A TOW TRUCK DRIVER! Donate to lxhatch@gmail.com

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March 10th, 2006, 01:42 PM	#2
mdvaldosta Maintenance Man 2002 Mustang GT 11.47@120.58 Join Date: Aug 2005 Location: Valdosta, GA Posts: 3,943	If your getting a light then a code is stored for usually 3 drivecycles even after going off. Run by Autozone or someplace and have them put their code scanner on it for free. Come back and post the code and we can be of more help. Lots of things it could be if related to the gas tank, as the system should put a slight vacuum to lock in fumes - a number of things from the gas cap not sealing to detoriorated vacuum lines could be causing a problem. The code might help narrow the problem down.

March 10th, 2006, 03:17 PM	#3
SkzDaLimit Newbie Join Date: Mar 2006 Posts: 4	Ok... Ran it by AutoZone during lunch. Looks like the EGR valve is sticking intermittently. They said it could be just gunked up a little bit. So I can either clean it out or buy a new one. Suggestions? (Correction to my initial post - my baby only has 81K in mileage.... it's been a long week.....)

March 10th, 2006, 03:29 PM	#4
mdvaldosta Maintenance Man 2002 Mustang GT 11.47@120.58 Join Date: Aug 2005 Location: Valdosta, GA Posts: 3,943	What was the exact code? You have to excuse me but I don't trust auto parts boys to interprete a code.

March 10th, 2006, 03:40 PM	#5
SkzDaLimit Newbie Join Date: Mar 2006 Posts: 4	The tester they used (and I know the guy pretty good there) actually tells you with text and it scrolled "EGR valve open" on the LCD. He cleared the code off so the stupid light would go off and not blind me. I can always stop on the way home to the one closer to home and have it checked again by someone else.

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