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Toyota 4Runner Maintenance and Repair



  • I have a 1995 toyota 4runner v6 engine that idles rough when stopped, but smoothes out when when i give it gas. Why? I could hopefully fix it myself if i have a directions to go in. can any help? could it be a fuel injector - if so how can i tell? could it be a burnt valve? any help would be grateful!!
  • gtwgtw Posts: 46
    did you figure out the problem yet? I'm experiencing this with a 1991 4runner V6 automatic.
  • elflippoelflippo Posts: 1
    I have the same problem So I changed the following items. Spark plugs, wires,and Distributor Cap and Rotor. I gain more power when accelrating but still had rough idle and hesitation on accelaration. The shop manual suggest checking the water temperature sensor and the EGR gas temperaure sensor when I fined the list of possible causes I will posted it for you. I put a 14 k resistor into the EGR gas temperature sensor plug to simulate the sensor and make the ECU think the sensor was good. This took care of the hesitation on accelaration but still have rough idle. When update when i fix it
  • gtwgtw Posts: 46
    91 V6 4runner. Replaced the ignitor with a used one 9 months ago and am now down again. Truck turns over but does not spark. tested coil and it is fine. Would a bad rotor or bad distributor stop it from sparking? I think it is the ignitor again.
  • dahlemddahlemd Posts: 7
    I have less than 600 miles on a 05 4runner and I just noticed a creaking noise near the right rear wheel well. This noise occurs especially when I'm making a turn, and it's becoming quite frequent and annoying. I have removed all loose item in the storage compartment but it makes no difference. Any ideas?
  • Have you checked your compression? We checked ours last night and the #6 cylinder is at 60 pounds and the rest are at 130-150 pounds. Could this be our only problem?
  • I am experiencing the same exact problem on my 05 4Runner as well with less than 1500 Miles. I dropped it at the dealership today, let's see what they come back with. Rear Right side making creaking sound when making turns at slow speed. Will keep you updated.
  • The dealership has ordered rear body mount to fix this issue. Please let me know if you find anything otherwise.
  • I have the same car and starter. It's clicking alot so I think I'll need to replace it. I have a repair manual I'm looking at tonight.
  • rvalc43594rvalc43594 Posts: 31
    Wow i thought i was the only one. I have an 05 4runner too and is experiencing the same creaking noise but my sound like its in the vehicle itself. I thought it was the right rear seat clamps squeaking!! new body mount huh. I have an appointment with toyota tomorrow i will bring this to their attention. :D
  • cebuttn1cebuttn1 Posts: 1
    This vehicle has 92,000 miles on it. It recently had an alignment done on it, the mechanic says there are no loose steering components. Anyway, this car wants to go left and right depending on the road surface, even at expressway speeds. Could this be a power steering pump? I don't think it has a steering stabilizer, anyway Haynes says there isn't one. It handles pretty well if you just hang onto the steering wheel tight, but thats a lot of work. :shades:
  • nippononlynippononly SF Bay AreaPosts: 12,726
    Did you just put new tires on it? Different tires handle differently, and some will squirm and follow the road's surfaces more than others. It's definitely not the P/S pump, but if you feel it is excessive (more than just tire squirm) then it is likely an alignment problem, or there is something loose or broken somewhere. In that case you should take it somewhere different from the last place and get a second opinion.

    wantitfixed: low compression in one cylinder usually will not cause a surging idle - I had a bad cylinder at 180K, and it still idled normal (it just had no power). That's usually caused by a bad valve, expensive to fix.

    Surging and wandering idles are usually caused by bad sensors, or a malfunctioning ECU or MAF. Make sure the O2 sensors are fine, as they are the most common cause of problems like this.

    gtw: I think you're right - bad ignitor.

    2014 Mini Cooper (stick shift of course), 2016 Camry hybrid, 2009 Outback Sport 5-spd (keeping the stick alive)

  • mcdawggmcdawgg Posts: 1,679
    My Corolla's fan was squeaking, motor is not able to be lubed, so I replaced it. Cost of fan and motor was about $60. It's easy to change yourself - 30 minutes, at least on a Corolla.
  • mprichmomprichmo Posts: 6
    The passanger side review mirror on my 2001 4Runner Vibrates. Does anyone know how to tighten the actual mirror part?
  • jimle115jimle115 Posts: 2
    my 4Runner 1999 Ltd. has the same problem. Right Rear Wheel, it noise, leaking....
    I went to ToyotaDealer they told me rear exhaust needs to be fixed. It costs $250.
    After It fixed until today, it seems to be OK.

    Good luck
  • jimle115jimle115 Posts: 2

    That's the safety feature of lights. If you tell your Car Insurnace Agent this, you should be some discount on it.

    That's NOT a problem at all; your SUV is working great ! ! !

    good luck
    :) :) :)
  • mitchinpamitchinpa Posts: 40
    Picked up my 2000 4Runner 2 nights ago after an oil change. The service dept was already closed when I picked it up, and I noticed a note at the bottom of the invoice stating the Rear Bell Crank was seized. Is that part of the e-brake or part of the suspension? Is it an easy fix? Any help would be appreciated!
  • pagrishpagrish Posts: 1
    How can I get the antenna motor to stop running. Is there a fuse that I can pull. For a long time it would run loudly each time I turned on the radio. This morning it just keeps running with the engine off and the key out??? Help!!! :cry:
  • Have any of you guys here replaced the rear axle seals on a mid 90's 4runner. I discovered today my drivers side rear(94 4wd) is leaking and I'd like to change it out my self. I'm mechanically inclined so I don't think it will be a problem but just wondering if anyone has done it and can give me some advice and point me in the right direction.
    Thanks, John
  • Trying to find a factory style/type 3 to 4 wire replacement converter box for my 1999 4-Runner. Also would appreciate any information on how the factory originally installed the trailer light connections on the vehicle.

    The right brake light on my boat trailer does not work. Tracing the wires, it shows that the pigtail plug-in on my 1999 4-Runner has a dead right brake light connection, rather than something being wrong with the trailer lights themselves or the trailer wiring. I belive that the 4-runner wiring was a factory(?) installation, since the vehicle came with a towing pkg. I bought it used in 2002. I'm NOT SURE, but I think the converter box is integral with the pigtail connection mounted on the bottom of the rear bumper. Can anyone confirm this? A wire bundle comes out of the car by the rear bumper, to the trailer light connector, but I haven't undone the covering to count the wires to see if it's four or three wires in the bundle, since it is difficult to get under the vehicle as well as extremely hot now.

    I've found a replacement at Advance Auto that has the converter integral with the connector, but it doesn't have any way way to mount it under the rear bumper.
    The Toyota dealer was willing to sell me a complete wiring harness for $195.00, but I declined, after laughing loudly.
    I need to get this fixed before I trailer the boat again, probably this weekend.
  • sdemonsdemon Posts: 2
    Hello Kingcomedic,

    I have the same problem with my 99 4runner limited.... I've been told by the dealership that I have a faulty ECU, to the tune of $400 to replace. Did you find out what your problem was related to? Corrective action?

  • sdemonsdemon Posts: 2
    I have the same problem with my 99 4runner...pwr locks will unlock, but will not will not lock with remote, nor switch on either front door. Did replacing this fuse / junction box correct your problem? I've been told by the Toyota dealership that I need a new ECU to the tune of $400. I had the acuator replaced in the front door about 8 months ago already!!!!
    Any feedback on this issue would be appreciated....
  • c2rosac2rosa Posts: 76
    Front suspension problems could hinder steering and cause crash.
    774,856 vehicles including 01-02 4Runner, 01-04 Tacoma, and 02-04 Sequoia and Tundra. Hazard exists because front suspension lower ball joint could wear excessively and become loose, resulting in increased steering effort. If the lower ball joint separates completely, driver could lose steering ability.
  • mbizzlembizzle Posts: 2
    i have a 2001 4runner sr5 and today when i started up the trac off, vsc, and check engine lights came on all at the same time. yesterday the lights were off like normal and i am pretty concerned. has anyone had this problem before, and if you have what should i do?
  • rbarry01rbarry01 Posts: 2
  • Did you ever get anything done to the Transmission. I have the same problem. The thud usally occurs when just coming to a complete stop.

    It even happens after a complete stop. Feels like someone rear ended you.

    Do any others have this problem? Your explanation sounds good, especially coming from a Dealer.

    The Dealer told me they all do this. To prove it, he let me have a 03 4Runner Demo. It did nothing. It actually drove smoother than my 04.

    Still not satisfied
  • jotoyjotoy Posts: 2
    I recently purchased an 88 4-Runner for the deer lease. It had a bad oil leak which I had repaired at a large cost. Now I'm having problems with the electrical system. I have a new battery, and the Altenator has been checked both on and off the vehicle and is said to be good. When I turn on anything, wipers,headlights,blinkers, fan, cig lighter it tries to die and will not run properly. It's in an elecrical shop right now and they are saying they can not find the problem. Any ideas? I need help. I am already above my budget on this one.. Thanks Joe
  • nippononlynippononly SF Bay AreaPosts: 12,726
    I would think that would have to be a short somewhere, which is a notoriously difficult problem to track down at the best of times. Is the battery ever dead when you didn't expect it to be?

    2014 Mini Cooper (stick shift of course), 2016 Camry hybrid, 2009 Outback Sport 5-spd (keeping the stick alive)

  • It means the computer has registered a fault code. Did you recently get gas? I had that happen on my 2001 SR5. It could be something as simple as the gas cap was not tight enough and the emissions system registered a gas vapor leak. Have someone check the fault code and go from there.
  • jdp2jdp2 Posts: 1
    I have a 1999 4Runner as well. Right brake and turn signal are out. Hmmm?

    I didn't disassemble the connector under the bumper. Couldn't get a socket on the hex head screws. But I did expose the wires. It has four wires. I'm not getting volts to the green wire. Otherwise it behaves as one would expect a flat pack four to behave.

    I believe that converter is further up the wiring harness. I got burned for the $195 the last time this happened. Not only that, he told me that they were really sensitive and could blow very easily. But I had a brand new boat to tow so I shelled out the bucks. Worked for three years. I'm guessing I got water in the light and it shorted blowing the converter.

    So I too am looking for a better solution.

    Let me know if you got it fixed and how.

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