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Mitsubishi Montero Maintenance and Repair



  • atilesatiles Posts: 1
    I'm in the process of replacing the TPS sensor, however, I have read in several places online that I must calibrate the TPS once its replaced. I have a digital multimeter, however, I'm not really sure how to calibrate the TPS. The TPS looks as a plug and play type of sensor, but it does have a spring in the back that looks as it can be rotated for adjustment, Is that how i'm supposed to calibrated???? Also, where is the TPS located in a Mitsubishi montero sport (2001)????

  • 1998 4WD Montero LS.

    Alright, so my alternator has been replaced a few months ago. My ongoing problem at the moment is that something is draining my battery. My mechanic took a look and found that an alternator wire was causing a short so he fixed that. I got my car back, but I still don't trust it. When I drive it feels sluggish when I accelerate. I feel the need to put my car in park and rev it to keep my battery from pooping out on me when I am at a stop or stop light. As I was pulling into a parking lot my car kind of died but it managed to start. I know something is still wrong because my warning lights will flicker at times and that is when I start to get worried and paranoid because that's how I know my car is still not 100%. Someone have any ideas or suggestions? I have a busy schedule with work and school and this just adds to my stress.
  • I have a 1992 montero sport sr . It would idle really rough on humid days, and there were a few when it wouldn't start at all. It started acting really bad and I called my boyfriend who told me to park it and he would look at it. When he got it home the next day, he parked it in the garage and the harmonic balancer was hanging on the timing belt. When he puts it back into place and he snugs the center bolt as tight as he can it still wiggles. The part that fits against the cam is chewed up alittle but he thinks there is some other part that fits between it and the cam. It has 139,000 miles on it and the belt had been replaced 16 months ago. Any idea if there is a missing part? or suggestions on how to fix it?
  • 2002 Montero, 107K
    Fan blower only works on #4 setting.
    Where is my fix?

    Info irrelevant to post: bought in 2003. Was a rental before I got it.
    Previous issues:
    1. Didn't want to shift into 4WD after not being used all summer.
    Eventually went in on its own.
    MY FIX: put it in 4WD once a month even when not needed
    2. Lights on 4WD indicator burned out one by one
    First left rear, then right rear.
    MY FIX: Don't look at them. I've owned vehicle long enough to feel
    what it is doing.
    3. Bad hub bearing passenger front.
    Long time problem. Thought it was choppy tires from bad
    alignment. Felt it as I steered. Got progressively worse over 1.5
    years (yep that long) until it finally said "hey, you got a problem"
    Got new tires, reputable alignment still present, but turned into an
    intermittent grind, rather that a "tension" when steering.
    MY FIX: Dealership replaced hub housing. $530.
    INTERESTING NOTE: Dealership was insistent on replacing my
    brakes and rotors at the same time because "the mechanic might
    not be able to fit the caliper back on" After a firm, "You're not
    changing the brakes, I can do that myself (instead of their $350
    insta-quote)," they decided to check with the mechanic to see if he
    could and SURPRISE, he could!
    4. Recently installed a car started because we were warned that it would
    void the warranty. Warranty is up, so on it went.
    5. Cargo door wouldn't actuate properly.
    MY FIX: WD-40
    6. Interior smells like smoke.
    NO FIX: Can't get my wife to stop smoking.

  • Hi I'm having the same problem, but continues until 45mph or 50mh then start again when driving at 60mph, so I haven't go above that since long, long time ago. How did you fix the problem or what is it? :confuse:

    Thank you for your time.

  • vanstersvansters Posts: 1
    I have a '91 5 speed Montero with 270,000 miles. Runs great! Yesterday it refused to turn over.

    It felt like a dead or almost dead battery, Battery is new ( 3/11) Now it won't turn over.

    All the electrics work, lights, radio etc. The left turn indicator would not flash recently now it works. I am wondering if the problem is in the key switch and the turn indicator issue as well as the non start are related.
  • johnnywpjohnnywp Posts: 1
    This just happened to me yesterday and one of the other posters nailed the problem exactly. There are 3 screws that hold the sunroof motor in place. One screw had completely fallen out and was resting on top of the headliner. The other screws had loosened. The problem is that both the motor and the sunroof drive belt are indexed to a home position. Once you heard that ratcheting noise the synchronized index was lost. It is not impossible to re-index them, it just takes some time to get them right. Really, the biggest pain of the job was taking the headliner down. Things that are press-clipped in place rather than screwed in place are hard to take down. The hardest were the clips that hold the sun visors in their home position.
  • Does the check engine light come on because the EGR can be getting stuck pushing fumes back into the engine causing it to shut down that is what happened with mine.
  • My problem still exists and that is the first thing that sounds like the exact thing that could be wrong with my Montero. Thank you and I will check it out and let you know.
  • Hello everyone,

    Just bought the Montero a week ago and realized a few days that the horn is not working. When I press the horn, I can hear a click on the left side of the engine (as you open the hood and look at it). I checked the horn, witch is located near the radiator, I replaced it with a new one, still not working. Looked around under the hood and found another horn close to the windshield on the left side as you look at the engine. Tried the new horn on the new spot found and this one still not working. I checked the fuses, but there is none for the horn, so I'm guessing it doesn't have a fuse and I don't believe it would be that anyways, because the contact is heard when I press the horn on the wheel. It is really annoying not having it work and I really don't wanna go to a dealer to check that out, as they will rip me off just for a simple test unless there is no other option.....can you guys give me some hints or some advise in what to do? I'm usual pretty handy and figure things out, but this one is over-taking me.......thanks in advance for giving time to read this, any help would be greatly appreciated.....
  • Hello, I have a 99 Montero Sport 4X4 3.0, & just recently my temp gauge has started to act very erratic. It will stay under cold then jump up & down at certain times. Today while I was driving on the highway it stayed under C but when I drove city streets it would go to normal when I was at a stop but will decrease to under C when I accelerated. Other then this problem the vehicle is running fine. Does anyone have any idea what the problem might be?
  • I have just aquired a 91 montero and a 95 montero. both bodies are in excellent condition but I only can keep one, both need engine work. I've had a sport in the past, and I'm unfamiliar with the older models. OK all you Montero fans, which one should I keep?
  • did you try changing the idle control and cleaning the throtle .
  • ofcourse the 95,more blue book value!
  • FYI..... after going through this COMPLETE process a year ago, my motor came loose again. Knowing what I needed to get to and where it was, I started poking around and realized the headliner around the sunroof opening is just velcro, and with a shorty screw driver you can tighten the screw no problem without taking apart the ENTIRE interior of your Montero. I fixed mine in about 2 minutes this time vs an entire day last year. NOW I'm trying to figure out how to "resync" the drive??? I closes about 1/3 of the way and stops (like it's at the finish spot).
  • i have a 92 montero and i recently rebuilt my engine and put a new catalytic converter also. i still don't have that much horsepower to climb hills or tow trailer. I'm wondering what i should do, does anyone have any idea what the problem can be?
  • When i have my mass airflow senior hooked up my montero will run just fine till it warms up. Once it warms up it wont let me give it any gas and it dies, but once i unplug the mass airflow senior it runs like a champ. I have replaced the mass airflow senior and the map sensor and the coolant sensor. I dont know what els to do can anyone help?
  • fatkoopfatkoop Posts: 1
    where is the fuel pump relay located on my 94 montero?
  • When he put everything back together my power steering is not working. The steering makes noise like no power steering fluid. He said somehow air got into it and bled the power steering by turning car off and moving wheels back and forth to no avail. He is telling me now the power steering pump is bad and it worked perfect before he touched the car. I drove before he began to work on it. I am this car's original owner and has always been cared for. Is it possible he damaged the power steering? How?
  • tammie12tammie12 Posts: 3
    Have you received any answers or solutions to your problem?

    I am having similar issues with my 2001 Mit Montero Sport XLS. My SRS light comes on, everything begins to run slow or dim, the windows start to roll down very slow, the windshield wipers get slow, the interior lights begin to dim and then eventually the vehicle will die.

    I can have it jumped and it will run fine again for weeks or months without these symptoms and then happen all over again.

    I have had the alternator and battery thoroughly checked and it carries the charge it is suppose to. Had the ECM checked and it's all good. Had it checked for issues with gound or other wire shorts, nothing. I have been to several mechanics and no one can understand these symptoms or find a solution.

    Anyone have any ideas on these weird behaviors?
  • kjmorrisonkjmorrison Posts: 2
    I have a 2001 Mitsubishi Montero Sport XS. 3.5 V6. I just bought it in Feb with 107K miles on it. I hope it was a smart move, my aunt has one with over 250K miles and haven't had any major problems and everyone i talk to that has one loves it. But between 25-45 mph i get a shaking sensation and noise like im running over the wake up strips on the side of the interstate. It shakes so bad that i have had to have the wheel balanced twice in two weeks. Its like it looses power and hesitates like it wanna cut off but doesn't. Ive been told a number of things i could have fixed but im on a fixed income and cant afford to fork out thousands of dollars to fix this and that to try to get the problem resolved. I was wondering if anyone out there has had this problem and got it fixed or if anyone can maybe give me a possible sure fix. Thanks!!
  • ruddneckruddneck Posts: 23
    When I've had this problem before it's been either a bad tire or a bad bearing. Look at both side walls of the tires--are there wires or radial cords starting to appear? To check for the bearing, jack the car up and see if you can wiggle the tires side to side. If there is any lateral play, the bearing is bad. If you spin the tires by hand, you should be able to hear the bad bearing, too.
  • Hi,
    I have a 2000 Montero Sport. I had the same issues a few years after I bought it. Everything I looked up online said torque converter. I figured that was pretty expensive so I took it to one of my friends that is a mechanic. This has been about 5 o 6 years ago. He flushed the transmission, put whatever the treatment is you use for transmissions. He drove a few miles, flushed and treated again. Drove a few miles again, then repeated that again, but this time he just left it in there without the flush. He said it would take a few weeks of driving if that was going to work. Well in about a week the problems stopped. I have not had any issues with that since. It cost about $250 I think, I know for sure it was less than $300. I have the paper around somewhere that listed all he done. I will see if i can find it in the next few days. I hope this helps! Oh and the only problems i have ever had with my montero was that. I had to change starter about 4months ago. I bought it with 41000 miles on it, now i have 200,000.....still going strong! i love mine.

  • tammie12tammie12 Posts: 3
    Yeah, I love mine also and hope that I can get these issues fixed because I really would like to keep it. Thanks for the information, I will definately check into that.
  • kjmorrisonkjmorrison Posts: 2
    Thanks for the info. I believe it has something to do with the wheel and tire. It keeps shaking my weight off the wheel.
  • lougal1lougal1 Posts: 1
    my engine just started to get hot to a point were I had to pull over and stop, turn off my engine due to pinging as it started to dye out to let it cool down and it started to smoke as well by the front end of the motor, close by the water pump?, and my battery won`t start the engine with out a jump just to begain to over heat agian in about 5 minutes, now it is hard to start again, can you help!!??
  • jazoreojazoreo Posts: 5
    I have a 2000 Mitsubishi Montero. I have a weird issue. I turn the AC on and the compressor works in fan setting 1,2, and 3 but the fan won't blow. I know the compressor is on because you can feel cold air coming through the vent...but the fan just won't blow. As soon as I turn the fan to setting 4 it starts blowing but the compressor turns off. So to cool the car I have to be on fan setting 1,2, or 3, let the compressor charge then turn it to fan setting 4 to blow the charged air which only lasts for a few minutes since in setting 4 the compressor turns off.
  • jazoreojazoreo Posts: 5
    My 4x4 indicator shows the bottom left light on. The 4x4 is not on but this light started staying on all the time. Do these lights indicate problems?
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