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Toyota engine repair questions and answers

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  • jbrown1967
    jbrown1967 - 1991 Toyota 4Runner - Engine - 11/5/2010
    My toyota 1991 4runner fills and sounds ike it is missing i gave it atune and stil the same. at idle fills ike its
    mising when giving it gas kinda stumbles ,after getting up yo speed seems ok untill overdrive kicks in and feels like it still is missing or stumbles ,whats going on please someone help. I dont know whats going on any ideas?
     
    0 answer
  • Don
    Don - 2000 Toyota Avalon - Engine - 11/4/2010
    Car smokes heavily on startup after sitting a few hours or overnight. It does not appear to burn any oil while driving.
    car has only 88,000 miles. oil changes every 5000 miles. at about 60,000 miles changed to castrol synthetic blend 5-30 oil. never used any oil between oil changes until around 80,000 miles and these symptoms started. only other problem is it seems to be idleing ...
     
    • CVO
      11/4/2010 CVO
      Engine valve stems (seals) or piston oil rings worn-out could contributed to the oil consumption.
      Use the Castrol high mileage and the engine restore oil ( claimed their products help to restore the engine compression). Hope this helps and be safe.
      CVO
      11/4/2010 Don
      Thanks, I will try that
  • A Rios
     
    • tygressjanie
      11/4/2010 tygressjanie
      Have you had your fuel pump checked?
    • vince^_^
      11/4/2010 vince^_^
      It is possible that your EGR valve is sticking open or leaking. Also check the condition of your idle air control valve and MAF (mass air flow) sensor. Is your check engine light on? If possible diagnose your vehicle with a scan tool to determine if there is stored trouble code in your vehicle. Even if your check engine light is off don’t assume that you don’t have any stored trouble code in your vehicle, the only way to know if there is or isn’t any stored trouble code in your vehicle is by diagnosing your vehicle with a scan tool.
  • Bill
    Bill - 1990 Toyota Celica - Engine - 11/4/2010
    Engine quit win.t start , not timing chain-alternator
    driving car stopped running will not start, alternator new, plugs, wire, cap rotor fuel pump is good.
     
    • RC
      4/29/2010 RC
      If the engine cranks over, check for spark and fuel
    • bebad
      11/4/2010 bebad
      I have the same problem, autozone guy told me it was my battery (only two years old). Haven't had it tested yet, but why would the alternator stop working unless it just "stop working" therefore I need a new one!
  • white6322
    white6322 - 1993 Toyota Corolla - Engine - 11/4/2010
    Starter kicks-in regardless of key position.
    256,000 miles If engine is off, moving transmission to neutral or park engages the starter. Setting the key to "ON" will cause the engine to start when moving the transmission to neutral or park. Leaving the transmission in gear keeps the starter motor from ...
     
    0 answer
  • audgen
    audgen - 2002 Toyota Sequoia - Engine - 11/4/2010
    Why is the engine not starting when i turn the key and the immobilizer signal does not go off
    car equipped with anti-theft deterrent
     
    0 answer
  • ABEL
    ABEL - 2000 Toyota Celica - Engine - 11/4/2010
    What would cause my car to die out at a stop light...
    -rough idlng at 1st start up in the morning -now dies out at each stop or when almost coming to a complete stop
     
    • CVO
      11/4/2010 CVO
      Autozone or Advance auto parts stores will run a free diagnostics data stream on the car and their scanner ( you could buy one) will detect any low or margin sensors, the fuel pump condition and the fuel injectors as well. Hope this helps and be safe.
  • rich
    rich - 1990 Toyota Corolla - Engine - 11/3/2010
    It starts and run find then at times it'll stall when i press the clutch at the stop sign at times it;ll be fine
    From the time i had the problem I cleaned my injectors, throttle body put in a brand new distributor and a new egr valve.Checked the timing belt and checked the timing on the car.Also checked if there was any vaccum leaks.My car has over 200,000 miles.I recently had ...
     
    • CVO
      11/3/2010 CVO
      Check and test your idle air control valve. Autozone.com has the procs and the pics for the testing ( including an IAC valve wiring schematic.). Hope this helps and be safe.
      CVO
      11/15/2010 rich
      thanks for the info took the iac valve out and cleaned it out with carb cleaner and put it back it idles a little better. Once the idle went up to 3000, so I rev'd the engine than i went back down . Can't get it to 800rpms so i'm running it at 900 which is fine. my concer is that the idle screw is almost max close. Will this be alright?
  • Shawn Perry
    Shawn Perry - 1985 Toyota Pickup - Engine - 11/3/2010
    Why is my truck trying to start without the key in the ignition?
    starter cable from pos. terminal wus cut so i replaced the cable, with battery terminals unhooked of course. then i connected the pos. and then tried the neg. As soon as the negative touches the battery it tries to turn over on its own??? Is this a possible ...
     
    • HouseCallAuto
      11/1/2010 HouseCallAuto
      Maybe a solenoid but first, did this only begin after replacing the positive cable to the starter? If so, i suspect that when you attached the new positive lug to the starter, it tilted over and is touching the small wire stud causing a completed start circuit at all times. If so as soon as you power up the system by attaching the battery cable the starter will crank.


      HouseCallAuto
      11/2/2010 Shawn Perry
      well i didnt replace the whole positive cable i just got some 12 gauge wire and spliced it to see if it would make a difference before i bought the whole cable. it didnt do anything before but that was because the starter cable was cut
    • CVO
      11/1/2010 CVO
      When you turn the ignition key to the "Start" position, the battery voltage goes through the starter control circuit and activates the starter solenoid, which in turn energizes the starter motor.

      The solenoid plunger could be stucked , or there is a 12 volts applied to the solenoid thru the ignition circuit without the key turn on.
      Go to www.samarins.com/glossary/starter, there is a complete circuitry "how the starter works". Hope this helps and be safe.
      CVO
      11/2/2010 Shawn Perry
      that definately helps me understand the situation, i think it may be that the solenoid is stuck open if so the guy i just bought the truck said its fairly new and still possibly under warranty, so i may replace the starter and replace battery cables then go from there.......thanks for the help!
    • HouseCallAuto
      11/3/2010 HouseCallAuto
      Something tells me that the positive cable that you said was cut had actually touched ground and fried the cable and the starter solenoid. That would 4 sure fry the solenoid.
  • gem
    gem - 2005 Toyota 4Runner - Engine - 11/2/2010
    Why is it when I turn the AC on the driver side air is not cold
    it happen all the time even the vehicle is cold or warm
     
    • Black Ops
      11/2/2010 Black Ops
      Im assuming the passenger side is right? Blend door problem, most blend doors can be accessed through the glove compartment, its probably stuck, or faulty, its a black plastic rectangular piece that swivels.
      Black Ops
      11/3/2010 gem
      Thank you for your help... I have another problem, its the sunroof the metal that attach to the glass is starting to rust. what can I do to treat the rust? or what is the name of that part so I can replace it. thank you,
  • Mike
    Mike - 1994 Toyota Camry - Engine - 11/2/2010
    Is the harmonic balancer bolt a left hand thread?
     
    • HouseCallAuto
      10/31/2010 HouseCallAuto
      No. Turn bolt counterclockwise to loosen.
    • Black Ops
      10/31/2010 Black Ops
      If you can get a socket on the main bolt and a suitable breaker bar you can use the starter to break loose the bolt.
      Position the breaker bar so that it is supported by a frame rail,, or anywhere that it can push against securely, without slipping off.

      Then simply crank the engine over quickly, a second or two will be enough. The rotation of the starter will be enough to break the bolt loose.
      Black Ops
      11/1/2010 HouseCallAuto
      Good post - but can you also tell him how he will get this bolt tight again later when he is done?
    • Black Ops
      11/2/2010 Black Ops
      Well i know of 2 ways, im not sure if its efficient but it does the job for me

      Since there will come a point in the tightening sequence that the crank will just turn the more you tighten it what i do is either of the following.

      1. I compress the fan belt near the pulley so it wont spin while i torque it to spec, i have to llosen the tensioner first
      2. I remove the starter and block the flywheel with something so it wont spin.

      This is of xcourse when the engine is not pulled out of the car.
  • tland01
    tland01 - 1996 Toyota Camry - Engine - 11/1/2010
    Broken alarm wire that connects to positive cable
    alarm wire is too short and I barely have enough to connect with positive cable
     
    • CVO
      11/1/2010 CVO
      Local autoparts stores have the both side terminals, you could crimp another piece of wire to make an extra extension.
      ALWAYS DISCONNECT THE BATTERY GROUND ON THE ELECTRICAL PROJECT. Hope this helps and be safe.
  • tland01
    tland01 - 1996 Toyota Camry - Engine - 11/1/2010
    Broken alarm wire that connects to positive cable
    alarm wire is too short and I barely have enough to connect with positive cable
     
    • CVO
      11/1/2010 CVO
      Local autoparts stores have the both side terminals, you could crimp another piece of wire to make an extra extension.
      ALWAYS DISCONNECT THE BATTERY GROUND ON THE ELECTRICAL PROJECT. Hope this helps and be safe.
  • Big D
    Big D - 1982 Toyota Pickup - Engine - 11/1/2010
    Carburetor problem not allowing continual flow of gas into the engine.
    Engine will start and run when you pour gas directly into the carburator, but quits when that gas is gone. Fuel pump is working and sending gas to carb, but will not start. What specific part of the carburetor should be looked at as the problem?
     
    • CVO
      11/1/2010 CVO
      There are 7 basic systems common to all carburetors.
      1.Float system 2.Idle system 3.Low speed system 4.High speed ( main metering) system 5.Power system 6. Accelerator pump system 7.Choke system.
      The fuel level is too low , too little fuel will be drawn in or not at all.
      The car was starved of fuel and the two factors are ; the inlet needle valve and the float.

      1.The inlet needle was stuck in the valve seat.
      2.The float is out of adjustments.
      Autozone.com has the procs and the pics for the project.Login_year of the car_ enter" carburetor" in the product search box and click on the vehicule repair guides. Hope this helps and be safe.
      CVO
      11/2/2010 Big D
      Thank you for your input. I will look into your advice.
  • monti
    monti - 1998 Toyota Camry - Engine - 11/1/2010
    Do i need to change the timing belt ?
    I have a 1998 camry with very low millage 35620.00.At the time of inspection one car mechanic advice me to change that because car is 11 yr. old now. Thankyou
     
    • CVO
      11/1/2010 CVO
      When should you change the timing belt on 1999 Toyota Camry?

      Answer
      According to the owner's manual - 90000 miles.
      Answer
      Most suggest around 60,000 miles.
      Answer
      Went 110,000 on the first belt, 100,000 on the 2nd and the car now has 308,000 miles. If it breaks you're stuck, but at least it's a no-interference engine (4-cyl) and you don't bend valves. The 110,000 and 100,000 mile belts still looked great. If you like to crank up the revs, 60,000 may be a good idea, but do you think they may have built in a little reliability factor at 60K?
      Answer.com has this info. Hope this helps and be safe.

    • yboy82
      11/1/2010 yboy82
      The mechanic has a point (preventive maintenance) you should also consider the time/month and not only the mileage in maintaining your vehicle. Because it is possible that due to age your timing belt’s condition is deteriorating.