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2001 Ford Mustang engine running rough no check engine ligh

Tiny
CHUCKEYB
  • MEMBER
  • 2001 FORD MUSTANG
  • V8
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
I have a 2001 Mustang GT and about a week ago it felt like I had lost a cylinder. The check engine light has never come on to point me in any direction. I have changed the spark plugs and 1 injector that was bad. So far it seems to have done nothing for it.
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Saturday, May 3rd, 2008 AT 5:42 PM

6 Replies

Tiny
ROB2008
  • MECHANIC
  • 258 POSTS
.
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Saturday, May 3rd, 2008 AT 5:59 PM
Tiny
CHUCKEYB
  • MEMBER
  • 3 POSTS
It was doing it before I changed them, thats why I changed them.
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Saturday, May 3rd, 2008 AT 6:48 PM
Tiny
ROB2008
  • MECHANIC
  • 258 POSTS
Sorry I didn't see that you had already replaced the plugs. Have you have the fuel pressure tested?
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Saturday, May 3rd, 2008 AT 6:56 PM
Tiny
CHUCKEYB
  • MEMBER
  • 3 POSTS
Yes it seems to be ok.
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Sunday, May 4th, 2008 AT 6:03 PM
Tiny
MUSTANG87
  • MECHANIC
  • 261 POSTS
Sorry to butt in but it sounds like u need plug wires. Engine light wont come on if 1 of ur spark plug wires is bad
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Monday, May 5th, 2008 AT 1:35 AM
Tiny
BONECRUSHER
  • MEMBER
  • 1 POST
[the IAC valve needs to be cleaned or replaced. Stands for: Idle Air Control. Typical cost: $330 including part. Part cost is about $120. Hope that helps.
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Saturday, June 7th, 2008 AT 9:55 AM

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