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Lincoln LS Rough Idling and codes

22 messages,  Last post on Oct 10, 2009 at 4:36 AM

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#1 of 22 Rough Idling and codes by dverenich Jun 28, 2009 (8:02 pm)
I'm trying to figure out why my Lincoln lS V8 is idling so rough, I was driving it today and the check engine light starting blinking, I was about 5 min. from home so I drove it home and had a friend come over and read the codes. The codes P0136 " Circuit Fault" P1000 "System check incomplete" P1131 "Sensor indicates Lean" P1137 "System indicates lean" and finally "Injection 1 and 3 fault" From what I have read because of the two Injection faults that can cause the codes for "Sensors Indicating Lean" to go on. The computer did not show misfires, just showed faults for 1 and 3. What could this be? how would I go about to looking for the problem. Thanks in advance. Replies to this message: rut1 (Jun 29, 2009 6:46 pm) dverenich (Jun 30, 2009 12:02 pm) dverenich (Jun 30, 2009 4:37 pm) and 2 more...
#2 of 22 Re: Rough Idling and codes [dverenich] by rut1 Jun 29, 2009 (6:46 pm)
Replying to: dverenich (Jun 28, 2009 8:02 pm) I don't know specifics about codes, but I have a 6 cylinder LS that was experiencing the same symptoms as your car. I took it to my mechanic and he said two of the six ignition coils were bad. My car is a 2005 with 52,000 miles on it. This is not the first time I have had these symptoms with this car, in fact I think it is the fourth time at least (first time outside of warranty). Each time I have been told it is something different, and each time the check engine light returns in about a month or two, along with the rough ride. Also, and I don't know if its my imagination or not, the problems always seem to crop up after a day or two of rain. Replies to this message: dverenich (Jun 30, 2009 12:02 pm) dverenich (Jun 30, 2009 4:37 pm) akirby (Jun 30, 2009 6:49 pm) socalcarl (Jul 01, 2009 10:30 pm)
#3 of 22 Re: Rough Idling and codes [rut1] by dverenich Jun 30, 2009 (12:02 pm)
Replying to: rut1 (Jun 29, 2009 6:46 pm) I thoughti figured out the problem I went through all the wiring and found that the fuel injector one and three were not plugged in, that would explain the faults that were coming up, but the car still idles rough. I changed both valve cover gaskets, all the spark plugs but have not yet gotten to the COP's the car is not showing misfiring so I am not to sure what to do now... Replies to this message: dverenich (Jun 30, 2009 4:37 pm) akirby (Jun 30, 2009 6:49 pm) socalcarl (Jul 01, 2009 10:30 pm)
#4 of 22 Re: Rough Idling and codes [dverenich] by dverenich Jun 30, 2009 (4:37 pm)
Replying to: dverenich (Jun 30, 2009 12:02 pm) Checked again today through a scan tool... 3, and 5 are misfiring. Still not sure what P1131 Indicates Lean means though... Replies to this message: akirby (Jun 30, 2009 6:49 pm) socalcarl (Jul 01, 2009 10:30 pm)
#5 of 22 Re: Rough Idling and codes [dverenich] by akirby Jun 30, 2009 (6:49 pm)
Replying to: dverenich (Jun 30, 2009 4:37 pm) That's the O2 sensor which is probably caused by the misfires. Replace the COPS, reset the codes and see if they come back.
#6 of 22 Re: Rough Idling and codes [dverenich] by socalcarl Jul 01, 2009 (10:30 pm)
Replying to: dverenich (Jun 30, 2009 4:37 pm) Here is some code info from my alldatadyi.com account for my 2004 Lincoln LS that gives some repair suggestions.   http://picasaweb.google.com/lh/photo/H3tJLMs9mLCpKJci6Bu_zw?feat=directlink
#7 of 22 Codes by leota Jul 14, 2009 (8:47 pm)
03 Lincoln LS - Have had Bank 2 Catalytic Converter replaced about 9 months ago. 2 days later Check engine light back on, then was told that needed new PCM, replaced PCM. Check engine light back on few days later, was told 6 coils was out. Then replaced Coils, 1 month later check engine light back on drove it with it on the car went in shut down safety mode...then was told need to replace Catalytic Converter Bank 2, they reset took to another mechanic did not replace. Was told that Transmission Fuse blowed was replaced. 2 days later check engine light back on was told Intake Runner control, was supposely rebuilt ??? not sure how this could have been done, then few days later check engine light on the Intake Runner Control was then replaced, now 2 days later check engine light back on took back to mechanic that replace Runner control... took back to mechanic and now a different code P0430. Took to another mechanic, to check - Bank 2 Sensor. Was told No sensor problem. Receiving Code DTC PO 430 Bank 2 o2 Sensor and DTC 660 intake manifold tuning valve malfunction. Does anyone know what these codes mean? Any suggestions on the real problem. Replies to this message: akirby (Jul 15, 2009 5:49 am)
#8 of 22 Re: Codes [leota] by akirby Jul 15, 2009 (5:49 am)
Replying to: leota (Jul 14, 2009 8:47 pm) You need a new mechanic (preferably a Lincoln dealer - they've seen these problems before and should be able to diagnose it better). Sounds like your initial problem was the coils which could have damaged the cats if you drove it with the light on for very long. The rest is probably collateral damage caused by the mechanic trying to fix the other problems.
#9 of 22 ETC engine failsafe mode by jtw72 Aug 06, 2009 (5:14 am)
After reading Rut1's comments, I joined this board to add in. Recently my "check Advancetrac" warning and ABS light came on. They go on and off periodically. Yesterday, the "ETC engine failsafe mode" warning came on, and put my 2004 Lincoln LS VS Sport into a limp mode (also see http://answers.edmunds.com/question-2006-Lincoln-LS-ETC-engine-failsafe-mode-err- or-9646.aspx). I took it to a Fod/Lincoln dealer who ran a diagnostic. They told me they had to special order a "Throttle Body", and it would cost $900 parts and labor. I am holding off for now because all lights have gone off, and I'd love to hear your thoughts first before I get caught replacing 5 different things over the next 6 months, and dropping thousands. Also, interestingly as Rut1 said, this seems to have happened after heavy rains recently. I felt fluid dripping on my left foot driving after going through heavy rain recently, and there was also water in my trunk (right up front on the left side). Anyone else seeing this? Could the rains have caused a sensor malfunction? I've never seen the ETC warning before, and once I pulled over and restarted the car, everything has been fine since. Replies to this message: akirby (Aug 06, 2009 6:02 am)
#10 of 22 Re: ETC engine failsafe mode [jtw72] by akirby Aug 06, 2009 (6:02 am)
Replying to: jtw72 (Aug 06, 2009 5:14 am) The ABS/AdvanceTrac warning is a bad sensor. It could have been a temporary problem caused by the rain, but that's pretty normal on all vehicles.   The ETC failsafe mode could easily be caused by an electrical problem and could be moisture related. If it doesn't reoccur I wouldn't worry about it.

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