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Mercury Mountaineer Maintenance and Repair

75 messages,  Last post on Nov 30, 2009 at 12:59 PM

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#3 of 75 check engine light o2 sensor maybe? by kswank Jul 07, 2006 (5:49 am)
My check engine light came on in my 2000 mountaineer about 3 weeks ago. I have filled the tank several different times with gas so I don't think it is the Ford gas cap thing. I think it is with the os sensor as the vehicle has baout 60,000 miles on it. Can someone tell me where to find the o2 sensors on it? Thanks. Replies to this message: mcrumbliss (Nov 15, 2008 9:23 pm) walterd (Nov 22, 2009 8:00 pm)
#4 of 75 Computer Box by intmik Sep 21, 2006 (1:50 pm)
Anyone know where the computer box is on a Mountaineer? Replies to this message: nvbanker (Oct 22, 2006 3:30 pm) merc50 (Nov 30, 2006 11:37 am)
#5 of 75 Re: Computer Box [intmik] by nvbanker Oct 22, 2006 (3:30 pm)
Replying to: intmik (Sep 21, 2006 1:50 pm) I'm not sure, but I'd check behind the kick panels in the way back - the side the Air Conditioner isn't on, which I think is on the driver side, so check the passenger side first. Replies to this message: merc50 (Nov 30, 2006 11:37 am)
#7 of 75 Re: Computer Box [nvbanker] by merc50 Nov 30, 2006 (11:37 am)
Replying to: nvbanker (Oct 22, 2006 3:30 pm) i belive it is located in the fire wall right behind the tranny dipstick
#8 of 75 too rich by merc50 Dec 01, 2006 (12:54 pm)
my 2000 mouintaineer w/ 302 and all wheel drive has daul exhaust with no mufflers just cats . says it is running rich in bank number 2 which is odd because last time it was the bank 1 that was rich.my exhaust is real suety and black now and it has been missing and has a stumble to it at 1500 rpms. i had the plugs wires fuel filter and pcv valve replaced about 5000 mi. i have 120000 mi on it and only recently have had this bad of problem.it also has a k and n a/f brand new.i have had older cars that the timming chain or belt ws bad and they popped through the exhuast and this also sometimes does this but not on a reg. basis like a timming chain .i was told the o2 sensor by my parts store and to be honest i think i know more about cars than they do abnd i just dont think they have much experience.can anyone help me that has experienced this prob? is it the o2 sensor map sensor coil packs or timming i dont want to buy the parts store but they want me to .it also reminds me of the mass air flow sensor that i had go out on a firebird but this does not make it die just stumble.it idels fine most of the time but acts the fool when driving or beginning to take of and going down the road no matter if it is hot or cold.the dauls have been on it since 80000 miles. thanks for any info Replies to this message: walterd (Nov 22, 2009 8:04 pm)
#10 of 75 Mercury Moutaineer03 - Oil leak problem by fmota Jan 11, 2007 (8:32 pm)
Bought a 2003 mountaineer 6 months ago (Premier -V8). Recently I noticed some oil spots on the driveway, maybe an inch or 2 in diameter. However, the spots are not towards the front end......they appear to be right by the rear wheels. Almost in the center, between the 2 rear wheels. Lets just say I'm not a mechanically inclined person whatsoever.....but I normally try n search on the internet to atleast get some idea of what the problem maybe....so when I take the care for repairs, I have some background info so to not get totally taken by the mechanic. Any ideas/suggestions would be greatly appreciated....thanks ! Replies to this message: bruceybeee (Nov 18, 2007 10:07 pm) walterd (Nov 22, 2009 7:55 pm)

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