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2006 Lincoln LS LS engine code P2195

Tiny
ROBERTRICHIE
  • MEMBER
  • 2006 LINCOLN LS
  • 3.9L
  • V8
  • RWD
  • AUTOMATIC
  • 88,000 MILES
Hi, my Lincoln ls have the check engine code p2195. The car was idling very rough, engine was shaking while idling and lost power.I replaced all 4 oxygen sensor, new spark and 8 new coils. The car stop idle rough and the engine is not shaking and it also gain back all the power but the engine code is still there.
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Friday, May 30th, 2014 AT 1:54 PM

33 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Have you cleared the code with a scanner? As far as the code, that indicates there is a lean mixture. Most times, the code is set as the result of a vacuum leak. Have you checked for that?
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Friday, May 30th, 2014 AT 2:50 PM
Tiny
ROBERTRICHIE
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  • 22 POSTS
Yes I have clear the code several times, the car is running fine no problem with the catalytic converter no dark smoke no written egg smell. Once in a while I hear a little leaked inside the engine
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Friday, May 30th, 2014 AT 3:36 PM
Tiny
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  • MECHANIC
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Since the light has come back on, there must still be a problem. Have you checked for vacuum leaks? You mentioned that you hear a little noise from the engine every once in awhile. Can you describe the noise?
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Friday, May 30th, 2014 AT 7:37 PM
Tiny
ROBERTRICHIE
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  • 22 POSTS
Yes, I have clear the check engine light several times. I think there is a small air leaked coming from under the manifold, it sound like a hose is leaking air
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Friday, May 30th, 2014 AT 7:52 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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That would be the problem. A vacuum leak will set this code and cause it to run lean. Are you able to locate the source of the noise?
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Friday, May 30th, 2014 AT 8:01 PM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
I sound like it is coming from under the manifold like a on air leak releasing air
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Friday, May 30th, 2014 AT 8:27 PM
Tiny
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Check for an intake manifold leak, and check the rubber vacuum hoses for damage or if one is disconnected.
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Saturday, May 31st, 2014 AT 8:54 PM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
Thank you for your answer, even doe I still haven't get my mechanic to check for a vacuum leak. But I just realized that every time I put the car in gear or park the rpm gauge rise and all over the place, I still have the p2195 check engine code. And I seem that the car is still running lean or rich
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Wednesday, June 11th, 2014 AT 8:34 AM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
I replaced all 4 oxygen sensor and 8 new coils, new spark plug, but the car is still running lean and bank 1 stuck sensor and bank 2 stuck bank sensor
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Wednesday, June 11th, 2014 AT 8:39 AM
Tiny
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That makes sense. It will continue to run lean if there is a vacuum leak. Also, a vacuum leak can affect the engine idle speed. There are other things that can cause the idle issues, but since you believe there is a leak, chances are that is the problem.
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Wednesday, June 11th, 2014 AT 3:31 PM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
Is there any other problem that could cause the car to run lean on 02 stuck bank sensor and cause the p2195 engine code? I replaced most of the parts like new oxygen sensor, new spark plugs, new coils and a new air intake
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Wednesday, June 11th, 2014 AT 3:51 PM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
And where do I find the vacuum leak, is it hard to find because my car is the 8 cylinder 3.9 can I do it by myself
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Wednesday, June 11th, 2014 AT 3:54 PM
Tiny
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I would think it is where you hear the noise from
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Wednesday, June 11th, 2014 AT 3:58 PM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
Thank for that answer but the car start to overhead and if sound like all the sound is trapped in the engine and it hesitate when driving it, sound like the muffler is not blowing nothing everything thing trap inside. And the steering also vibrate and the whole front is shaking
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Tuesday, June 17th, 2014 AT 6:27 PM
Tiny
ROBERTRICHIE
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  • 22 POSTS
Now am thinking that it could be the catalytic converter because the car hesitate and it really get hot like 240 degrees
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Tuesday, June 17th, 2014 AT 6:29 PM
Tiny
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Check to see if the converter is getting red hot when the engine gets hot. If it does, it's plugged.
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Tuesday, June 17th, 2014 AT 8:45 PM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
Yes the catalytic converter is red hot even when am entering the car u could feel the hot air coming from under the car by the drive door
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Tuesday, June 17th, 2014 AT 8:56 PM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
The car overhead when it is in park and soon as I step on the gas the gauge return back to normal, and when the heat is on in the car the remainder on normal unit I turn off the heat it start to overhead
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Tuesday, June 17th, 2014 AT 9:03 PM
Tiny
ROBERTRICHIE
  • MEMBER
  • 22 POSTS
Here is a picture I send u
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Tuesday, June 17th, 2014 AT 9:09 PM
Tiny
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The first thing I am concerned about is the catalytic converter. If it is red hot, it needs replaced. Sorry, I couldn't open the pics you sent.
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Thursday, June 19th, 2014 AT 8:45 PM

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