Last post on May 04, 2010 at 6:01 AM
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Lincoln LS, Auto Body, Engine, Oil, Sedan
#4 of 123 Spark plugs for 2000 LS
Feb 18, 2006 (1:12 pm)
What the best spark plugs for 2000 LS with 115,000 km and when I should change them.
#5 of 123 Re: Spark plugs for 2000 LS [amilf]
Feb 18, 2006 (6:28 pm)
Now and the same ones that came with the car.
Mar 10, 2006 (10:35 am)
My 4/99 build LS V8 has been flawless for 104,000 miles. However, a week or so ago, it developed a misfire under light load but no "check engine" light. I was suspicious of the COPs so I pulled them all out and visually inspected them. The good news is that the plug sockets were clean with no evidence of valve cover leakage. While I had the COPs out, I went ahead and put in new spark plugs. The misfire remained.
This morning I had the dealer do a COP stress test and he found 2 bad COPs. He suggested replacing them all but I just had him replace the two and all is well again - runs like a champ. If this ever happens again, I will be tempted to simply replace the remaining 6 myself since it is a fairly easy job and they can be purchased for much less than the dealer charges.
A question: I know they recommend 100,000 intervals on the spark plugs. I originally replaced the plugs at 58,000 and the gaps measured over .050. Proper spec is .039 - .043. This time they had again eroded to a bit over .050. Has anyone left the original plugs in to over 100K miles? How did they look?
#7 of 123 Re: COPs [brucelinc]
Mar 10, 2006 (11:56 am)
If you leave them over 100K miles you may not be able to tell what they look like - they'll be welded to the head!
Seriously though - the few people who've changed them themselves didn't report anything unusual.
#8 of 123 Re: COPs [akirby]
Mar 10, 2006 (1:45 pm)
When I changed them the first time about 3 years ago, they came out easily and clearly had anti-seize compound on the threads from the factory. They came out easily this time, too, but I wouldn't go 100K. Based on my gap widths, you would be asking the coils to fire across a pretty wide gap. I think that could cause drivability issues.
#9 of 123 engine oil
Apr 01, 2006 (9:08 pm)
Book says to use 5W-20. Is there any problem using 10W-30 Syn blend? Do not need the thin 5W as not in cold climate being in CA.
#10 of 123 Re: engine oil [cwz]
Apr 02, 2006 (11:17 am)
If it's still under warranty you'll need to keep using the 5W-20. Otherwise I'd use 5w-30 mobil 1. That's what the early LS models came with (5W-30 but not mobil 1). They switched to 5W-20 purely for fuel economy.
May 04, 2006 (7:22 pm)
My 2000 V6 has 124K miles and running strong. I do need to replace the coils, not unexpected considering the environment in which they live. While I'm in there, I'll also replace the plugs. The last thing to break was the inside drivers door handle last September. The part was ~$60 and I installed it. Before that was the solenoid pack at ~105K miles. That was rather expensive. I installed the $200 pack, but had the dealer flush the system for around $150. Overall, the LS has been a very reliable car. Things break, afterall it is a machine.
#12 of 123 Re: 100K mile LS [ezaircon4jc]
May 05, 2006 (7:11 am)
Thanks. I'm considering a 2004 LS. Also going to look at the CTS cadillac and Nissan Maxima.
I think I will find a LS for the best price. I'm not sold on Nissan product quality. And the CTS, just not sure about the look and plastic interior for $19,000 ???...
I am leaning to the V8 LS, because I like the extra power. But with price of gas ?
Does LS require premium gas? I wouldn't put anything below 89 in my car anyway.
#13 of 123 Re: 100K mile LS [mwdream]
May 05, 2006 (7:28 am)
Both the V6 and V8 LS require premium (91). But in GA, the price difference between 89 and 93 (we don't have 91) is only 10 cents, no matter what the actual gas prices are. So that would be around $2 per week, or about 5%.