Check Engine

Tiny
BP14BALLER
  • MEMBER
  • 2001 FORD FOCUS
  • 4 CYL
  • 2WD
  • MANUAL
  • 125,000 MILES
Just recently got a check engine light, I then proceded to have it shut off, not till recently did I notice that my car was having problems with acceleration and idoling, so when I took it to the mechanic he said there was nothing he could do about it until the chech engine light came back on. So is there a way that I can get my check engine light to come back on quicker, or do I have to drive my car until it comes back on, and normally how long does it take for it to come back on again?
Friday, June 24th, 2011 AT 12:51 AM

9 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Yes, don't be so quick to delete all the information that factory worked have to put there for the tech. Nothing you can do now but just drive it until it messes up.
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Friday, June 24th, 2011 AT 1:04 AM
Tiny
BP14BALLER
  • MEMBER
  • 5 POSTS
Alright thanks do you kno how long it will take to come back on or will it possibly stay off forever
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Friday, June 24th, 2011 AT 2:05 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
No idea. It will come on when the problem occurs again. Some codes have to occur twice to put the light on.
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Friday, June 24th, 2011 AT 9:42 AM
Tiny
BP14BALLER
  • MEMBER
  • 5 POSTS
Alright thanks. I Remember it threw out a lean code, but I dont remember the exact code number, so I looked up lean code for ford focus, and it said it was a P0191, but im not sure if theres more then one lean code or not
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Friday, June 24th, 2011 AT 5:13 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That's not even a lean code
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Friday, June 24th, 2011 AT 5:24 PM
Tiny
BP14BALLER
  • MEMBER
  • 5 POSTS
That what it said on the site that came with the diagnostic tool, but idk im no expert, thanks for the help though
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Friday, June 24th, 2011 AT 10:10 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You'd better get your money back on that code reader. PO191 is for a fuel pressure sensor circuit that is used with the variable pressure, computer controlled fuel pump.
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Friday, June 24th, 2011 AT 10:25 PM
Tiny
BP14BALLER
  • MEMBER
  • 5 POSTS
Alright, well imma have a friend check out the MAFS and get them cleaned and see if that works, it deffenitly said that the car was running to lean, and I already had the vacuum lines checked. So hopefully its the MAFS, cause if not, im not really sure what else could be the cause of the car running to lean
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Saturday, June 25th, 2011 AT 12:02 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
I just told you that code does not mean it's running lean.
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Saturday, June 25th, 2011 AT 12:07 AM

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