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Lincoln Continental Fuel Economy

9 messages,  Last post on Jan 19, 2009 at 10:28 AM

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#5 of 9 Re: About my Linconle Continental 1998 [alex36] by sincebeen Nov 16, 2007 (10:07 pm)
Replying to: alex36 (Dec 26, 2006 2:07 pm) A couple of things to remember are:   1. The difference in price for regular fuel vs. premium fuel is usually about $0.20 which means: 2. The price difference for 15 gallons of fuel is only $3.00. 3. The FACT is that premuim fuel offers better gas milage (sometimes a whole mpg better) because it burns later and hotter, and it also burns cleaner which renders cleaner and longer lasting combustion chambers, valves and fuel lines and everything en route.   I have a 2004 F-150 [5.4L] and because I installed an in-dash tuner/programmer, I can see my exact mpg at an instant and average. I always use premium but used mid-grade just for a test one time and it went from an average of about 14.3 mpg to an average of about 13.1 mpg.   We tried the same test in my cousins 2003 F-150 (which coincidentally has a differently modified version of your 4.6L) and we found the same results. The bottom line is any one of the three reasons listed above - not to mention the manufacturers recomendation - is justification to using premium instead of regular.   By the way, and for example, the users manual for the new body style mustang GT recommends regular grade fuel so if Ford is soliciting premium for the Contenental, it's for a reason.   -Greg
#6 of 9 Lincoln continental gas mileage problem, by gregcooler Feb 12, 2008 (2:32 pm)
#7 of 9 Lincoln continental gas mileage problem, by gregcooler Feb 12, 2008 (2:06 pm)
I bought a second-hand 98 lincoln continental, 93000 miles, No check engine light, passed the emission test, everything works fine(both locally and high way, 60mph), except that the gas mileage, it shows around 10mpg on the meter, and a whole tank (20 gallon) can only go 200miles, btw, I'm driving very gently. I have checked the air filter, which seems pretty clean , I've changed all the spark plugs as well, no improvement either, currently, I'm thinking about checking the throttle sensor, or MAF sensor. The accelerator seems pretty soft, doesn't increase the speed two much for the first 1/2 inch, and sometimes there is a little gas smell from the tail pipe. Does anyone has an idea about what's going wrong?
#8 of 9 cwarren1 by cwarren1 Jan 19, 2009 (10:13 am)
Something is very wrong with your fuel control, doesn't the check engine light come on? I have a 98 Conti, which I bought new and now has 148,000miles, and my gas milage averages 21.5 on the computer. It gets 24 to 25 on trips and has lots of power. This has been the most trouble free car that I have owned.
#9 of 9 cwarren1 by cwarren1 Jan 19, 2009 (10:28 am)
Something is very wrong with your fuel control, doesn't the check engine light come on? I have a 98 Conti, which I bought new and now has 148,000miles, and my gas milage averages 21.5 on the computer. It gets 24 to 25 on trips and has lots of power. This has been the most trouble free car that I have owned, but I do have a problem of hard steering when it is first started in cold weather. I don't know if it is the pump or the steering rack and pinion gears. Has anyone else had this problem?

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