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Lincoln LS Engine light

22 messages,  Last post on Dec 05, 2009 at 5:12 PM

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#18 of 22 Re: Valve Guide Seals Leaking [iampattic] by akirby Sep 23, 2009 (8:07 am)
Replying to: iampattic (Sep 23, 2009 7:49 am) That's a misfire. It's usually caused by a COP failure. A valve guide seal problem would only affect air and fuel entering the engine. It would not cause oil to leak - that would be an oil ring problem with the piston or cylinder wall problem. I'd get a second opinion. Replies to this message: iampattic (Sep 23, 2009 10:43 am) akirby (Sep 23, 2009 11:57 am)
#19 of 22 Re: Valve Guide Seals Leaking [akirby] by iampattic Sep 23, 2009 (10:43 am)
Replying to: akirby (Sep 23, 2009 8:07 am) The mechanic told me that this is the final cost. 6 hrs labor - 270 gasket sets (from Ford) - 220 Transmission - 50 Spark Plugs - 60 PCV - 8 Fuel Filter - 20 10 qts trans fluid - 42 oil change with Mobil 1 - 40 Total - 710   I told him to go ahead because I don't know what else to do. Thanks for your reply Replies to this message: akirby (Sep 23, 2009 11:57 am)
#20 of 22 Re: Valve Guide Seals Leaking [iampattic] by akirby Sep 23, 2009 (11:57 am)
Replying to: iampattic (Sep 23, 2009 10:43 am) He must have meant Valve Cover Gasket leak - huge difference. The valve cover gasket is leaking oil into the spark plug wells - common problem. The problem is the misfire is caused by a bad COP (which is caused by the oil leak). So you'll need to replace at least one COP if not several to fix the problem.
#21 of 22 Re: Plugs/Cat Conv. [akirby] by pricanpride84 Nov 28, 2009 (3:21 pm)
Replying to: akirby (Aug 27, 2009 4:29 am) Well the plugs, gaskets, and boots were all replaced in August. No problems as far as misfires on dry or wet conditions. As far as the light goes, it is still on. The catalytic converters were not amber red (plugged), I have checked them multiple times while idling and driving to work 8 miles away. Exhaust is coming out without obstruction.   But light is solid on (light went out after COP's replaced and came back 7 days later). I will try to replace 02 sensors before I spend $$ on converters. If I do have to replace them Autozone sells universal cats only but I was wondering if V8 2005 LS direct fit cat assembly fit an V6 2005 LS. Seems to be the only one that is sold online, no V6 direct assemblies on any website of any kind.
#22 of 22 Plugs/Cat Conv. by pricanpride84 Dec 05, 2009 (5:12 pm)
According to Autozone the Cat's only are 250 each, now I heard that you "can't" cut off the cats off the LS due to them being direct fit, but why would Autozone sell the universal cat's? I figure that they can be cut, its a matter of who has the time/patience to get under there and start hacking, I'm willing to pay for labor. But also, while searching the net, there are no 05 LS V6 direct fit cats, 95% sites show 3.8L V8 direct fit and universal much cheaper for cheap. Do they fit the V6 version?

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