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Toyota engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 2009 Toyota Yaris - Engine - 5/15/2014
    Squealing noise from under the hood
    It squeals a bit when I first crank up the car and then quickly stops. But starts up again in a greater degree once I turn on the heat or a/c. The serpentine belt has just been recently professionally replaced because I thought that was the source of the noise. ...
     
    • Chevy doctor
      5/15/2014 Chevy doctor
      Check the belt tensioner. If it has weak pressure than it will cause the belt to make a squealing noise. When your compressor clutch is engaged, there us more stress on belt so noise would get louder. Try a new tensioner.
  • sherral_b
    sherral_b - 2008 Toyota Corolla - Engine - 5/13/2014
    How much should it cost to repair a small leak in the gas line?
    The quote I received sounds extreme and I am a single women and do not know a lot about car repair.
     
    • sanfordwilmer
      5/14/2013 sanfordwilmer
      Since its a leak in the 'gas' line, you should not try mending it. Instead you got to replace it asap. It may be a problem to do it yourself, but you can give it a try by using automotix.net/autorepair/diy/2008-toyota-corolla-repair.html. This includes repairing and maintenance techniques specially for you car. It should come in handy to you since you mentioned about being a single woman.
    • AutoMD Member
      5/13/2014 AutoMD Member
      I don’t know the exact repair cost but it can cost you around $50. Though my first suggestion would be, you should replace the gas line with new one. But if it is out of your budget you can go for used one too. It will cost you a lot less and it’ll save you from any sudden gas-leak crisis too. Recently I bought a nice wheel cover for my Toyota corolla from http://www.iautobodyparts.com./ It’s a nice place where you can get your stuff also.
  • AutoMD Member
    AutoMD Member - 1992 Toyota Corolla - Engine - 5/9/2014
    The car was not starting..
    so i change sparks plugs and the car start up fine. one week later it doing it again. could it be the wire or the coil.
     
    • GT500Knights
      5/9/2014 GT500Knights
      First things first pull any codes that might be stored to give an idea of what the problem might be.

      What symptoms is the car having? Is the starter motor engaging and turning over?

      The coil and the wires could be the issue, along with a plethora of other problems.

      Map sensor, mad sensor, vacuum leak, air filter clogged, fuel injectors clogged, egr valve stuck open, fuel filter clogged, fuel system (relay, pump, lines, regulator) not functioning....possibly even no gas in the tank. Battery could be discharged and the timing belt could also have snapped. Try to be descriptive. Tell us how the car sounds when it is trying to start. It should be a smooth and steady rhythm.
  • nacho
    nacho - 1996 Toyota Avalon - Engine - 5/8/2014
    Codes p300, p302, p304 and p306, why i keep getting this codes?
    i was getting this codes before, they suggested me to replace the upstream oxygen sensors and i did, I ALSO REPLACED THE SPARK PLUGS AND WIRES, I REPLACED THE COIL PACKS LIKE A MONTH AGO, 3 DAYS AGO I GOT CHECK ENGINE LIGHT ON AGAIN I SCANNED IT AND GOT SAME CODES ...
     
    • GT500Knights
      5/8/2014 GT500Knights
      Check mass air flow meter. Check fuel pressure for that side of the engine. The codes you have are all on one side of the engine. Check camshaft position sensor for proper operation on the even-numbered cylinders. The problem area isn't just related to a single cylinder or multiple cylinder, just that bank. When was last time timing belt was replaced? They're known to jump teeth. Camshaft timing for that bank could be off a little.
  • AutoMD Member
    AutoMD Member - 1999 Toyota Avalon - Engine - 5/8/2014
    Intermittent jerking of engine and stalls when in idle unless gas is applied
    after 100 to 150 miles, car starts jerking, rpm goes up and down with the jerk. i apply gas to keep it going. when in idle it will stall unless gas pedal pushed. it will quit doing it if i stop the car for 5 minutes and restart. is getting worse. it will mess up ...
     
    • GT500Knights
      5/8/2014 GT500Knights
      O2 sensor (s) may be bad. Check for proper operation and they have fast and not lazy response time. Idle air control valve may be faulty, check for functionality and make sure port, as well as throttle body is clean. Check throttle position sensor. If it is not sending the correct voltage back to the PCM, the PCM will not properly adjust the idle fuel-air mixture. Check for any vacuum leaks. A good way to do this is to take about a 2 foot piece of vacuum tubing, hold one end to your ear, and move the other end around the engine, around any hoses or areas susceptible to vacuum leaks. If there is a vacuum leak after the mad sensor , it will trip out the PCM. Catalytic converter may be plugged. Excessive exhaust back pressure will build up. Remember, what goes in must go out. Connect a vacuum gauge. Normal vacuum should be between 17-22 inches during idle. If you increase the Rpms, then let go of the throttle, vacuum should drop below 5 inches, then return to normal range. If you hold the Rpms steady at around 2000, vacuum will initially drop, then should return to around 17-20 inches (while still holding rpm at 2000. If vacuum steadily drops while hold rpm steady, catalytic converter (or muffler) is creating back pressure.
  • AutoMD Member
    AutoMD Member - 2002 Toyota 4Runner - Engine - 5/3/2014
    Why won't my car crank? We completely charged the battery, it's just not turning over
    My 4runner jumped fine this morning and we tried to jump it earlier and it kinda sparked. We charged the battery all day and tried to crank it and it's not turning over. It sounds like it's cranking and the battery is charged but it's not starting
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2002 Toyota 4Runner - Engine - 5/3/2014
    Why won't my car crank? We completely charged the battery, it's just not turning over
    My 4runner jumped fine this morning and we tried to jump it earlier and it kinda sparked. We charged the battery all day and tried to crank it and it's not turning over. It sounds like it's cranking and the battery is charged but it's not starting
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2002 Toyota Tundra - Engine - 5/3/2014
    Engine won't idleafter replacing battery
    put in a new battery and now it won't idle
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2003 Toyota Corolla - Engine - 4/30/2014
    Started car and everything quit working like pw, ac, lights, turn signals, dashboard gauges radio. Motor kept running.
    I replaced the ecm but that didn't help at all. I checked some of the fuses. The car starts and the motor runs. I'm wondering if the alternator is bad because when I started it 2 days ago the car died after running 5 minutes and the battery was dead. Would a bad ...
     
    0 answer
  • Rodneyhub
    Rodneyhub - 2004 Toyota 4Runner - Engine - 4/28/2014
    Car's temperature gauge running hot and no heat in the vehicle, what could be the issue?
    Car temp. Gauge displaying hot and no heat in interior
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1996 Toyota Tacoma - Engine - 4/27/2014
    Replaced the spark plugs now im miss firing
    I just replaced the spark plugs and right after that cylinder 4 started tk miss fire so I replaced k nly that plug and gapped it correctly and that didnt work and then I added fuel injection cleaner and that didnt work and then I didnt a compression test and it was ...
     
  • AutoMD Member
    AutoMD Member - 1996 Toyota Tacoma - Engine - 4/27/2014
    Replaced the spark plugs now im miss firing
    I just replaced the spark plugs and right after that cylinder 4 started tk miss fire so I replaced k nly that plug and gapped it correctly and that didnt work and then I added fuel injection cleaner and that didnt work and then I didnt a compression test and it was ...
     
    0 answer
  • JD20III
    JD20III - 1992 Toyota Corolla - Engine - 4/26/2014
    Okay I have had some issues with starting my car.
    Ive replaced the starter, battery, & have had them all tested with the alternator, & they all passed. Cables r…
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1988 Toyota Camry - Engine - 4/25/2014
    New plugs, wires, and distributor. #3 cylinder has a miss.
    when you pull the plug wire off it doesnt change idle at as all other 3 plug wires do. when out of the engine the #3 plug is showing that it is getting fire. spark plug is jet black when i pull it out. ohm tested injector and its good. could it still not be getting fuel
     
    0 answer
  • brice
    brice - 1996 Toyota RAV4 - Engine - 4/23/2014
    Does my toyota 1996 have a timing belt or chain?
    hello everybody! i m the owner a toyota townace 1996, 2.0L, and i d like to know if my campervan has a timing belt or a timing chain.... i didn t find the answer in any topic..... thanks for your help
     
    0 answer