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Lincoln LS Engine light

20 messages,  Last post on Sep 23, 2009 at 11:57 AM

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#16 of 20 Re: Plugs/Cat Conv. [pricanpride84] by akirby Aug 27, 2009 (4:29 am)
Replying to: pricanpride84 (Aug 26, 2009 4:22 pm) You continued to drive the vehicle with a blinking CEL. The manual specifically says not to drive with a blinking CEL because you may damage something (namely the catalytic converters). That's why it blinks. I think you're SOL.   That said, $3400 sounds awfully high. How much are the cats?
#17 of 20 Valve Guide Seals Leaking by iampattic Sep 23, 2009 (7:49 am)
I have a 2004 Lincoln LS 6 cyl with 32,000 miles on it. My engine light came on. I had codes read. PO304 is the code. Mechanic said that the "Valve Guide Seals are Leaking" and there is oil on the pistons. He isn't sure if he needs to remove the heads to repair this. Estimate is $1200.00. I need some help from someone! Would this be under any kind of warranty? Replies to this message: akirby (Sep 23, 2009 8:07 am) iampattic (Sep 23, 2009 10:43 am) akirby (Sep 23, 2009 11:57 am)
#18 of 20 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 20 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 20 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.

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