Last post on Jul 15, 2013 at 12:54 PM
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Lincoln LS, Engine, Sedan
#1 of 122 Lincoln LS random misfire
Nov 03, 2006 (1:38 pm)
I have a 2000 Lincoln LS with random misfire problems at low idle. I have reviewed the postings in the read only section related to this issue, and it seems exactly like what I am experiencing. Problem is all of the recommendations have been tried. Car is better but still misfiring.
Main problem is that I cannot get the computer to register an misfire codes and it is clearly misfiring. Any thoughts or suggestions?
Nov 03, 2006 (4:26 pm)
I hope someone reads this message. The problem thread has been made into a read only thread.
OK here is what happened:
I was driving down the road- around 55 mph. The ABS light came on, then my radio stopped working, I tried to roll my window up and guess what? You've got it, the window wouldn't go up, the speed odometer wasn't working. The whole control panel was off.
The next thing I know is... I'm giving the car gas and I can tell its not running.. it kept cutting in and out.. eventually it just died.. with me driving down the road. I had to coast into a gas station! And then while at the gas station, the security system kept randomly going off and wouldn't stop!
Does anyone have ANY idea what could be wrong? A friend tried jumping the car off, thinking maybe it was the battery, but that didn't help.
I've had so many problems with this car.. blah, I could just cry.. its so expensive to get this thing fixed.
#3 of 122 Re: Issues.. again! :( [darkazureeyes]
Nov 03, 2006 (7:30 pm)
i would have the battery tested, or just buy a new one.
#4 of 122 Re: Lincoln LS random misfire [ynkntx]
Nov 03, 2006 (9:05 pm)
Sounds like bad coils - either wait for a code or have them tested.
#5 of 122 Re: Issues.. again! :( [darkazureeyes]
Nov 03, 2006 (9:06 pm)
Sounds like a dead battery, loose ground or a PCM or other module. Probably not a DIY diagnosis or fix.
#6 of 122 Re: Lincoln LS random misfire [akirby]
Nov 05, 2006 (12:50 pm)
Have replaced the coils already. It is possible that I have defective replacement coils, but not likely. Also, if it were the coils, why only misfire at low idle and not while car is driving? And why no fault codes? This is very frustrating.
#7 of 122 Re: Lincoln LS random misfire [ynkntx]
Nov 09, 2006 (8:50 pm)
You can have a misfire that is not above the threshold to damage the catalytic converter. However, it will usually set a pending code that can be read by a scanner even though the MIL is not on.
#8 of 122 Re: Lincoln LS random misfire [lamar]
Nov 10, 2006 (7:33 am)
Thanks for the reply. I ultimately had to suck it up and take it to the dealer. They found a constant fault on #2 and random faults on 1 & 3. Had them change the contacts on all 3 and change all the plugs. Everything seems to be great with the car now, but it wasn't a cheap fix thanks to having to remove the intake manifold to get to cylinders 1 - 3. Thanks Ford.
#9 of 122 I AM SO SICK OF THIS CAR
Nov 14, 2006 (3:21 pm)
I feel everyone's pain. My misfires started in Aug. First cylinder #2 and #8 were reading as bad. The spark plugs were changed and were covered in oil. Everything was fine for 1 week then the engine light came on again. This time #8 was bad so the coil pack was replaced. (Very little oil on #8 plug this time) 2 Weeks later, cylinders # 3, 4, and 7 are misfiring and the car is idling as if I was sitting on a rickety washing machine. My buddy said that there could be gasket leak thatís allowing the oil to misfire the plugs. Any word on that from anyone?
I made an appointment with the dealer today. Monday is the earliest date they have but I don't even think the damn car will make it until then. Today, it was hesitating and stalling so badly, cars were going around me. It was so shameful. It smells of rotten eggs, shaking so badly, and barely moves when I give it gas, until it has revved up to about 3000 rpms. The engine was squeaking and sound like an old beat up pick up truck. All this, from a Lincoln? I am too through! I had to leave the thing at work. Couldn't even make it home....
#10 of 122 Re: I AM SO SICK OF THIS CAR [jazelade]
Nov 14, 2006 (3:25 pm)
When you found the coils covered in oil, did it ever occur to you to fix the leaky valve cover gaskets that caused the problem in the first place? If you had done that and replaced the damaged coils you'd be fine now.