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Old 02-20-2011, 01:07 PM   #151
Chili_LS
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Re: codes P0171, P0174 Lincoln LS V6"

Hi, my name is Chili and I am new to this site. I have been reading your threads and I have the same problem with the codes 171 and 174 on my 2002 V6 LS. Please send me PDF file on the PCV elbow. My e-mail address is curtis.davis2@hotmail.com.
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Old 04-11-2011, 01:35 PM   #152
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Re: codes P0171, P0174 Lincoln LS V6"

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Should be in your inbox.

-Rod
---------------------------

Hi Rod. I just sent you a PM and Email requesting the PDF as I am having the same issue as the other posters in the forum. Could you please send my way?

Many thanks in advance!
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Old 04-25-2011, 09:58 PM   #153
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Re: codes P0171, P0174 Lincoln LS V6"

Hi Rod,

I just wanted to say thank you for the info. I tackled this project yesterday and it was an overall success, thanks to you. My engine is running smoothly again, it was indeed the pcv elbow as i suspected. I changed the pcv valve, all gaskets, and spark plugs while i was in there and noticed that the 2 rear plugs had oil on them, but I replaced them as usual anyways as i was limited on time and needed my car today. After getting everything back together and driving it without the check engine light on for about 5 miles, the light came back on. Still running well, but pulling the same codes as before. I am thinking this is possibly because of those plugs and/or coils. What are your thoughts? I have seen from some of your other posts you have brought up the battery as a possible culprit. Mine is from 06 i think (bought this car used this past summer). Do you think this may apply in my case? Also, you are right about those torque specs, they should be in in-lbs vs. Ft-lbs. The conversion from newton meters tells all. Thanks again!
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Old 04-25-2011, 10:14 PM   #154
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Re: codes P0171, P0174 Lincoln LS V6"

I'm glad to hear your engine is running smoothly!

As for the codes, you're still getting the P0171 and P0174? If the battery goes back to 2006, then yeah, you may as well replace it as it will be money well spent anyway. I'd also suggest you carefully check all the intake air tubing and vacuum lines that would have been touched during the PCV elbow repair, including the one for the baro sensor on the back of the upper intake.

Good luck!

-Rod
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Old 04-25-2011, 10:23 PM   #155
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Re: codes P0171, P0174 Lincoln LS V6"

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Originally Posted by shorod View Post
I'm glad to hear your engine is running smoothly!

As for the codes, you're still getting the P0171 and P0174? If the battery goes back to 2006, then yeah, you may as well replace it as it will be money well spent anyway. I'd also suggest you carefully check all the intake air tubing and vacuum lines that would have been touched during the PCV elbow repair, including the one for the baro sensor on the back of the upper intake.

Good luck!

-Rod
Yup, those are the codes. I will check out all of my tubing...but i am pretty sure they are solid. I was very thorough in putting things back together. I'll also replace the battery. Could the plugs or coils cause this error code?
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Old 05-29-2011, 12:16 AM   #156
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Re: codes P0171, P0174 Lincoln LS V6"

Hi Rod,

I have the same problem with the codes 171 and 174 on my 2000 V6 LS. Could you please send me the PDF files on the PCV elbow replacement. My e-mail address is bdiehl@eacs.k12.in.us. Thank you very much!
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Old 08-09-2011, 05:48 PM   #157
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Re: codes P0171, P0174 Lincoln LS V6"

Rod, The Lincoln Man, Having all the same issues mentioned, having error codes PO171 and PO174 system too lean, past codes of PO316, changed all 4 o2 sensors and 3 out of 6 coils and still same problem, after start up the engine idles down and seems to be misfiring...the engine also just dies at an idle, can be in park or in gear?? totally frustrated!!

Last edited by shorod; 08-09-2011 at 09:38 PM. Reason: Removed e-mail address
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Old 08-09-2011, 05:54 PM   #158
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Re: codes P0171, P0174 Lincoln LS V6"

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Having all the same issues mentioned, having error codes PO171 and PO174 system too lean, past codes of PO316, changed all 4 o2 sensors and 3 out of 6 coils and still same problem, after start up the engine idles down and seems to be misfiring...the engine also just dies at an idle, can be in park or in gear?? totally frustrated!!
So, have you checked the PCV plumbing?
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Old 08-09-2011, 05:56 PM   #159
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Re: codes P0171, P0174 Lincoln LS V6"

where is that located? got this car with no manual???????????????
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Old 08-09-2011, 05:59 PM   #160
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Re: codes P0171, P0174 Lincoln LS V6"

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So, have you checked the PCV plumbing?
where is that located? have no manual with car....going to download but it will take a few
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Old 08-09-2011, 06:05 PM   #161
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Re: codes P0171, P0174 Lincoln LS V6"

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where is that located? have no manual with car....going to download but it will take a few
It's under the upper half of the intake manifold. Rod has a PDF describing how to replace the elbow and PCV valve that he can e-mail to you. Send him a PM with your e-mail address. I'd remove the e-mail address from your post unless you like SPAM.
I'd also replace the other six coils and plugs while I have the upper half of the manifold off. Also, I hope you replaced the three spark plugs under the three coils that you did replace.
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Old 08-09-2011, 09:38 PM   #162
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Re: codes P0171, P0174 Lincoln LS V6"

The e-mail is on it's way to you. Also, as Joegr suggested, I deleted your e-mail address from the above post.

-Rod
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Old 08-09-2011, 09:49 PM   #163
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Re: codes P0171, P0174 Lincoln LS V6"

If you put a tourniquet on the pcv air intake port of intake, it will block all un metered air, a oil catch can with a external filter canbe used for PCV system.

Problem + Solution = Get R done!

Last edited by danielsatur; 09-25-2012 at 11:33 AM.
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Old 08-15-2011, 02:41 AM   #164
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Re: codes P0171, P0174 Lincoln LS V6"

Hey Rod, I to am getting ready to pull out my PVC valve, so i could really use your help! could you please email the PDF and pix, i would greatly appreciate it, thanks.
[e-mail address removed by moderator]

Last edited by shorod; 08-15-2011 at 08:23 AM. Reason: Remove e-mail address
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Old 10-01-2011, 02:21 PM   #165
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Re: codes P0171, P0174 Lincoln LS V6"

Ok, Rod, our 00 Lincoln LS has the same problem and I need pics and any other other information I will need to replace the elbow. I think I am supposed to send you a personal email? Thank you.
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