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Old 02-22-2010, 09:16 PM   #91
Casper_LS
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Re: codes P0171, P0174 Lincoln LS V6"

Well the car finally decided to tell us what was wrong. Sunday afternoon the CEL came on... P0304 - Misfire Cylinder #4.

One new coil later -- and she runs like a dream again!

Thanks to all of you for your help and suggestions.
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Old 03-09-2010, 12:04 PM   #92
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Re: codes P0171, P0174 Lincoln LS V6"

Hi Rod,

I am new to the forum. I have been reading your many posts and understand your are very knowledgeable on the lovely Lincoln LS . I am having ideling issues with codes 171 and 174 showing up. Could you please provide the PDF instructions for changing the PCV rubber elbow? I will take on this challenge in a few days. Thanks!
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Old 03-09-2010, 10:44 PM   #93
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Re: codes P0171, P0174 Lincoln LS V6"

Quote:
Originally Posted by BW_LS2001 View Post
Hi Rod,

I am new to the forum. I have been reading your many posts and understand your are very knowledgeable on the lovely Lincoln LS . I am having ideling issues with codes 171 and 174 showing up. Could you please provide the PDF instructions for changing the PCV rubber elbow? I will take on this challenge in a few days. Thanks!
The files should be in your inbox.

-Rod
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Old 03-23-2010, 10:16 AM   #94
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Re: codes P0171, P0174 Lincoln LS V6"

I also had a P0171, P0174 codes. PID data showed LTFT and STFT at 25% indicating a lean condition. I too, found my PCV hose damaged. The picture shows the bottom side of the elbow with some cracking, thus allowing in unmetered air. My local dealers did not have the $30 hose (p/n 6767) in stock, so I stopped at my local NAPA store and purchased a $7.50 heater hose that had a 90 degree bend in it, then cut it down to the proper size. The NAPA hose that worked for me is p/n 7398. To help with the installation of the new hose, I found that removing the metal PCV tube (p/n 6K666) at the rear of the engine made it easier.



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Old 03-23-2010, 03:03 PM   #95
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Re: codes P0171, P0174 Lincoln LS V6"

Welcome to the forum! That's great information and not typical of a first time poster. Thank you for that!

I will caution against using heater hose as a long term fix in this application. Heater hose is not designed for an oily environment (internally oily anyway). Also, heater hose is meant to withstand pressure but not necessarily vacuum. Under certain conditions it might be possible for this heater hose to collapse and cause driveabilty issues. Just something to think about if a year or so from now you start having similar issues, at which time you shouldn't rule out this hose just because you recently replaced it.

-Rod
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Old 05-03-2010, 03:46 AM   #96
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Cool Re: codes P0171, P0174 Lincoln LS V6"

Hey Rod.., I'm new to this forum due to the infamous problems with my ls. I am planning on attempting the Pcv valve fix tomorrow and was hoping you could send me a copy of your PDF instrctions. My adress is jasonpluta@xxxxx.com... thnx in advance, it will help me out a lot since I'm not a seasoned mechanic.

Last edited by shorod; 05-03-2010 at 07:30 AM. Reason: Removed e-mail address.
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Old 05-03-2010, 07:30 AM   #97
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Re: codes P0171, P0174 Lincoln LS V6"

The files should be in your inbox.

-Rod
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Old 06-09-2010, 11:09 AM   #98
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Re: codes P0171, P0174 Lincoln LS V6"

Hi Rod,

You do a great service for us all, Thank you! I am ready to tackle the pcv elbow replacement on my 01 ls v6. Could you please send me your pdf instructions for this job? My email is xxxxx.

Last edited by shorod; 06-09-2010 at 03:21 PM. Reason: Removed e-mail address.
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Old 06-09-2010, 03:21 PM   #99
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Re: codes P0171, P0174 Lincoln LS V6"

The files should be in your inbox.

-Rod
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Old 06-17-2010, 09:40 PM   #100
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Re: codes P0171, P0174 Lincoln LS V6"

Rod,

Can you send me the pdf files. I pm you my email.
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Old 06-17-2010, 11:11 PM   #101
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Re: codes P0171, P0174 Lincoln LS V6"

Welcome to the forum!

Yes, the files should be in your inbox as well.

-Rod
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Old 06-30-2010, 11:06 PM   #102
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Re: codes P0171, P0174 Lincoln LS V6"

I'm going to need that file as well. i think i'm going to replace gaskets as well since i'm removing that much
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Old 07-03-2010, 07:26 PM   #103
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Re: codes P0171, P0174 Lincoln LS V6"

Please send me the instructions for replacing the pcv elbow. My 174 code shows that it is bank2 only. Since I am running fine, no sputtering or acceleration issues, I am thinking this sounds like a intake gasket vs pcv issue? Anyway, I think I might just replace it all, so please send instructions. Later.....
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Old 07-07-2010, 02:40 PM   #104
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Re: codes P0171, P0174 Lincoln LS V6"

Hi Rod, I'm a new member and am having the same problem with my 2002 Lincoln LS V6. I just pulled the upper manifold and changed the plugs. but still hav e fault code P0174. I would really appreciate it if you could send me the PDF's for the breather elbow replacement, also I read you may have some pictures of the job documented. Any information would be greatly appreciated!
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Old 07-13-2010, 12:24 AM   #105
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Smile Re: codes P0171, P0174 Lincoln LS V6"

Great forum: I would like to thank all of the people that have posted here.

Reference the post by Magooo and wh_474 with a great pic and pn's.

I solved my issue of the P0171 -#1 bank lean. yes it was the pcv elbow. I did change the elbow (mine was dry rotted beyond belief) without taking off the lower intake manifold and it is a bitch. My car runs great and has generated no fault codes in 20 miles of driving and letting it idle numerous times for about 10 minutes.
Would like to point out, the fitting on the lower intake manifold that the pcv elbow goes to (this is the elbow everyone is complaining about) is a calibrated orifice of a very small diameter. You could get stock pcv tubing from the auto parts store and route it to the forward intake manifold and save yourself a lot of trouble putting things back together.

My right hand is all sorts of cut up and scratched as is my forearm from digging deep behind the engine and playing all around the black plastic wire harness insulation box. The most difficult task is removing the bracket that attaches to the pcv elbow, which for reasons unknown has a 10 MM nut on it. My car also had a bonding strap attached to this stud which broke I remounted it elsewhere.

Follow the diagram and instructions posted by Magooo and wh_474 and good luck.

Total time spent screwing around with this P0171 code is about 10-15 hours. (I have a pool and I had to jump in and drink some beers I did the project over a weekend) Figure anytime you take your car to the shop for engine work your looking at 750 bucks so I saved about 675 bucks.

As a side note if you do get platinum plugs do not regap them, I adjusted the gap on some new plugs and the car would not fire. After banging my head against the wall I decided to stick to mechanic 101 (whatever I did must have caused the problem). I bought some 12 dollar plugs at Stuff mart and did not regap them, the car started right up.( that was to fix the #4 misfire code) then it was on to the lean bank code this article is about.

You guys are great appreciate all of your posts.
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