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Ford Explorer Mercury Mountaineer 2005 and earlier

3320 messages,  Last post on Oct 26, 2009 at 5:13 PM

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#3259 of 3320 2004 Mountaineer Problems - Front Differential, Fuel Injector Failure, etc. by imsz Jan 12, 2007 (11:36 am)
My 2004 Mtnr has 42,500 miles on it and I just took it in to the dealer because the Service Engine Soon light went on.   The dealer called me to tell me I have lots of problems - some of which seem really odd. Maybe some of you can help me understand what all this means.   1) Carbon BuBuild up which, according to the dealer, is usually what you find in cars driven by elderly folks who drive one a week for an hour at 15 miles per hour. I do city driving every day at usually 10 miles over the speed limit, so 35 mph. Also, approximately 15K of the 42K mileage is from long distance driving. So my question is, is this some kind of baloney because I am a a woman who knows NOTHING about cars?   2) Air Induction Dirt - what is this? Do I need to care about this? Do all cars have this?   3) The Number 8 Fuel Injector has simply failed. Why would one injector fail? Is this (often) an indicator that other injectors will fail? That there will be future problems with this vehicle.   4) Front Differential Seal is leaking. I had that odd transmission problem where the factory put the wrong transmission fluid in the car. Once I had the fluid was changed, all of the lurching problems ended. But could this seal be related to that? (At the moment, when the car is in drive and you are stopped at a light the car has this little bouncing feeling to it - I guess it is often referred to as a rough idle.)   5) All my spark plugs have to be replaced.   6) Coils need to be replaced - the dealer was not very specific about this and I was so shocked that I have so many problems with the car that I stopped taking notes....   The dealer quoted me about $1300.00 to fix these problems. I am worried that I might be flushing my money down the toilet because :1) I have only had the car for exactly two years next week, 2) it does not have a great number of miles on it (most of my family's Fords have been largely problem free until 80/90k) but it has problems, 3) it had that factory transmission problem. Could this mean that the car is turning into a lemon?...   Thanks for any help/comments!   Illia Replies to this message: explorerx4 (Jan 12, 2007 3:33 pm) imsz (Jan 12, 2007 6:41 pm)
#3260 of 3320 Re: 2003 mountaineer oil leaks [fmota] by explorerx4 Jan 12, 2007 (3:19 pm)
Replying to: fmota (Jan 11, 2007 4:38 pm) sounds like the rear axle seals are leaking. this vehicles has an independent rear suspension. it is not a cheap repair.
#3261 of 3320 Re: 2004 Mountaineer Problems - Front Differential, Fuel Injector Failure, etc. [imsz] by explorerx4 Jan 12, 2007 (3:33 pm)
Replying to: imsz (Jan 12, 2007 11:36 am) basically, you have 2 main problems. the failed coil and the differential leak. what kind of service have you done since you have had it? did they break down the charges for you? i just got underneath my '02 explorer and replacing the seal for the differential cover is not a big deal. i'm guessing the 'neer isn't much different. do you see any spots underneath it? 'air induction dirt' could mean the air filter needs to be replaced. 1300 sounds like a high number. Replies to this message: imsz (Jan 12, 2007 6:41 pm)
#3262 of 3320 Re: 2004 Mountaineer Problems - Front Differential, Fuel Injector Failure, by imsz Jan 12, 2007 (6:41 pm)
Replying to: explorerx4 (Jan 12, 2007 3:33 pm) Thanks for the analysis/advice.   As for maintenance - I did the routine recommended maintenance at a/the dealer and then fairly regularly got the oil changed at Jiffy Lube.   I've never seen any spots underneath the car.   I called the dealer back and asked him some follow up questions and he told me that all of my problems - excepting the differential leak - result from water in my engine corroding the fuel injector, the coils, the spark plugs, etc. The dealer kept asking me if the car had been in standing water, which it never has been... And why would water only affect parts of my engine and not all of it? This all seems odd.   Thanks for the advice on the price - I think I am going to take it to another mechanic/dealer for a second opinion.
#3263 of 3320 Re: 2003 mountaineer oil leaks [fmota] by alman08 Jan 12, 2007 (9:10 pm)
Replying to: fmota (Jan 11, 2007 4:38 pm) welcome to my world... $500 to $600 for both seals and make sure you keep the receipt for the 12mo/12k warranty... most likely it will happen again after the fix. good luck.
#3264 of 3320 Re: Mountaineer 2003- stall/surge on braking [virgiesmom] by techgrad03 Jan 17, 2007 (11:01 am)
Replying to: virgiesmom (May 26, 2006 3:36 pm) Virgiesmom- Did you ever have any additional problems with this? Do you know what software was updated? I am experiencing the same sporatic stalling when I come to a stop - engine revs, car lunges forward a bit, all dash lights go on, and the car goes dead. Starts right back up as if nothing happened, and is fine to drive then. Trying to avoid spending too much money getting someone to diagnose what seems to be an untracable problem...   Or to anyone else out there - and ideas on what to do about this? Replies to this message: virgiesmom (Dec 29, 2004 6:26 am)
#3265 of 3320 Re: Mountaineer 2003- stall/surge on braking [techgrad03] by virgiesmom Feb 12, 2007 (4:46 pm)
Replying to: techgrad03 (Jan 17, 2007 11:01 am) Hey Techgrad03...... I had zero problems with this after the Mercury Service dept reloaded some software. This was 2-3 years ago. Don't remember what they reloaded.
#3266 of 3320 Re: Mountaineer 2003- stall/surge on braking [03mercowner] by 03mercowner Feb 27, 2007 (10:25 am)
Replying to: 03mercowner (May 24, 2006 6:14 am) Follow up... as I mentioned I bought the 03 Mountaineer used at almost 19000 miles. You know what they they, look for the obvious first, so I went to the owner's manual. It says to change the fuel flter every 15000 miles. Ahhha, I got the service records out for the used Mountaineer, and the fuel filter had never been changed by the prior owner! Had the Ford/Mercury dealer garage change the fuel filter.... my vehicle has not cut out or stalled or surged or done anything strange since and I'm almost to 32000 miles now. Replies to this message: techgrad03 (Feb 27, 2007 11:42 am)
#3267 of 3320 Re: Mountaineer 2003- stall/surge on braking [03mercowner] by techgrad03 Feb 27, 2007 (11:42 am)
Replying to: 03mercowner (Feb 27, 2007 10:25 am) Thanks for the followup! I actually purchased a fuel filter the other day and will install it this weekend. Thanks again!
#3268 of 3320 Re: 2002 Explorer noises [mcom1] by 2002explorer Oct 08, 2007 (3:53 pm)
Replying to: mcom1 (Apr 25, 2002 6:18 pm) Any luck with figuring out what this buzz is from under the dash - only when cold and only when pressing on the gas. While stop when letting off the gas...   Very annoying. Replies to this message: 2002explorer (Nov 20, 2007 4:43 pm)

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