Last post on May 27, 2013 at 6:07 PM
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Ford Explorer, Mercury Mountaineer
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#4040 of 6386 Ford Explorer XLT V8 check engine/misfiring
Jul 14, 2005 (1:42 pm)
I recently purchased a 1997 Ford Explorer XLT V8. The day after I purchased it the truck started sputtering and the check engine light came on. I ran the codes and it came up with "misfire detected on cylinder # 6". The next day I changed the spark plugs and wires and after that it was running so much better and was running perfectly fine for about 4 days. Then it started sputtering again and the check engine light came on. This time the code is "misfire detected on cylinder # 3". I am getting very frustrated as I just purchased this truck. Can anyone please suggest what the problem may be and what I should do to eliminate these problems from continuing? Thank you very much!
#4041 of 6386 Re: Ford Explorer XLT V8 check engine/misfiring [kinney0201]
Jul 14, 2005 (2:18 pm)
Cylinders 6 and 3 fire off of the same side of the coil pack. Sounds like a coil pack going bad
#4042 of 6386 Re: Ford Explorer XLT V8 check engine/misfiring [exploded99]
Jul 14, 2005 (3:05 pm)
Really, I'm not familiar with the coil pack. Do you have a link that you could refer me to give me information about replacing that. My repair manual does not have coil pack listed. Thanks. How hard is it to replace? Where can it be found on the truck? Thanks
#4043 of 6386 Re: Fuel Guage/Check Engine Light [hondafan5]
Jul 14, 2005 (6:13 pm)
The TSB on this is 05-10-17 ( per our service invoice).This tsb came out today according to the dealer Same problem with our merc mountaineer (v6) and happened on the second day of ownership. It is a faulty fuel gauge sender. We had our replaced sender also blow . Dealer has located another sender at another dealer and will try for the 3rd time tomorrow. According to our dealer fords supplier has stopped production of this part because of a bad batch. They expect to remedy this part by august 18th.The vehicle is still drivable , it's just that the fuel level won't register . So reset your trip meter at every fuel fill . I hope they meant august 18 of this year !
#4044 of 6386 Re: Lights Spontaneously Flashing and Draining Battery [vicmedici]
Jul 14, 2005 (9:44 pm)
Your brake light switch should be above the brake pedal, on the arm. It's a simple switch, easily replaced. It just plugs in and attaches to the mechanism. Replace it, and you should have no more problem.
#4045 of 6386 Re: plug fouling [ogbonna]
Jul 14, 2005 (9:46 pm)
Sounds like your injector in that cylinder is flooding that plug out.
#4046 of 6386 96 Ford Explorer Problem
Jul 15, 2005 (7:17 am)
Well, I found out what my problem was. Had to replace my Transfer Case.
#4047 of 6386 Re: 93 Explorer factory car alarm problem [makai1976]
Jul 15, 2005 (12:03 pm)
Still having the problem. I can't find anyone who knows how to fix or disable.
#4048 of 6386 Re: cheech [swschrad]
Jul 15, 2005 (4:14 pm)
Is there any way to test the O2 sensor before replacing it? Can the 'laziness' be bench tested?
#4049 of 6386 Re: Ford Explorer XLT V8 check engine/misfiring [kinney0201]
Jul 15, 2005 (4:59 pm)
There are two igntion coil "packs" on the front of your engine that you plugged the spark plug wires into when you changed them. Follow the wires for cylinder #6 and #3 back to the coil. That will be the one giving you problems.
Your manual will give you firing order info so you know which cylinders are 6 and 3.
Replacement is simple - unplug the wires ( marking them so you get them back in the correct positions is very important) and unbolt the coil pack. Put in the new one!