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Sedans Lincoln LS Lincoln LS 3.9 engine problem
49 messages, Last post on Nov 11, 2009 at 11:49 AM
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Replying to: lbuess (Nov 29, 2007 7:34 am) I think this was a fluke and your shop is wrong. If the compression is so low as to not start, you would be using oil, smoking, etc. I would drive it and watch the oil and coolant levels for awhile just to make sure nothing is awry. Sounds like a false alarm to me.
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Several months ago I had car jacked up with stands under the front. I had to remove wheel well cover to gain access to replace the coolant reservoir tank, which had lots of very small cracks below coolant level. The car was jacked up for a couple days while waiting to get the correct part. After the replacement was complete and car on ground I went to start the engine, however it would not start. I seems as if the battery was dead, etc. Checked battery was fine. I kept on trying several times to get it to turn over. Finally it did turn over and fire up, but it made odd noise, and lots of smoke came out of the exhaust pipe. This is something that has never happened before nor sense. I feel like somehow it was related to some sort of liquid block on top of one of the cylinders, because the back of engine was at an angle while jacked up. This was a year ago, but had not talked to anyone who knew the answer. Since a year has passed, now the car seems to be using a little oil, which is unusual for it. Occasionally now when the engine is started when hot, a cloud of white looking smoke can be seen behind the car. After than nothing. It sounds like the valve stem seals are leaking, thereby allowing oil to drain down when engine is off, then upon startup burns off the oil. One final thought, recently at routine oil change, I put in Mobile 1 5-w20. I had previously used a higher weight oil. Have used synthetic since 2005, have not had any problems with smoke nor oil useage. I know this is a lot to cover at one time, any help will certainly be appreciated. I am new to the forum so this is my first post. I've read lots of post and gained lots of useful information related to this car. Thanks for your help. LR
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Replying to: lrjr (Jan 09, 2008 10:05 am) |
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I hzve a 2000 LS and the engine has an intermittent miss. It usually occurs when I'm going uphill at 40 to 50 mph, and it's in 5th gear. The engine RPM's are between 1500 and 1900. If I had to guess I'd say the engine management system is leaning the fuel out too much. I've taken it to the dealer several times with no success. Has anyone else had this problem?
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Yes my car also was doing the same thing. Are you having a rough idle too? I had two bad coils #4 and #3. Also i had the whole fuel system cleaned, replaced spark plugs and replaced fuel filter. It now runs really good.
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Replying to: jcorwin1 (Jan 12, 2008 11:58 am)
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Replying to: jhaberberger (Jan 12, 2008 5:38 pm) Bad coils don't always have the same symptoms. The first time I had one go bad, the car idled perfect and was fine under hard acceleration but had a miss under light load - 40-50 in 5th gear and accelerating gently. With the 2nd one that failed, the car ran fine under load but had a misfire at idle. Both of these occurrances happened within a month of each other and ironically both were on the passenger side. About 6 months later, it developed a misfire under hard acceleration. This time, I decided to replace the remaining 6 coils myself. The store where I bought the coils only had 2 in stock so I just replaced the 2 remaining on the passenger side. That fixed it and it has run perfectly for the last year. I still haven't replaced any on the drivers side but I will replace all 4 on that side if I ever have another problem. The dealer indicated that they typically fail one at a time.
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Replying to: brucelinc (Jan 14, 2008 6:55 am) Stupid question maybe, but I'll ask anyway - are the Coil-On-Plugs (COPs) replaceable without replacing the spark plug? Or is it a FRU that is sold and replaced as a unit? How much is a COP?
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