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Toyota engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 1998 Toyota Camry - Engine - 2/4/2014
    How do i change head gasket
    don't leak water from water pump
     
    • HouseCallAuto
      2/4/2014 HouseCallAuto
      Do not replace the head gasket unless it has been diagnosed as no good. Your details seem to imply that because you have a coolant leak and the leak is not coming from the water pump so that means the head gasket is bad. AutoZone has repair procedures for most cars accessible through their site.
  • AutoMD Member
    AutoMD Member - 1991 Toyota MR2 - Engine - 2/2/2014
    Mk2 import won't rev past 6000 When power button is pressed it won't rev past 6000 so wont change gear
    Don't think imports have MAF filter.
     
    • HouseCallAuto
      2/2/2014 HouseCallAuto
      6000 rpm seems like a lot for this 2.2 Toyota engine. It may have a rev limiter so it don't blow up.
  • jose crerspo
    jose crerspo - 2001 Toyota Camry - Engine - 1/31/2014
    No spark / no gas / after installing fuel pump.
    igot spark going to coil pack /no spark at spark plug.
     
    • alex
      1/31/2014 alex
      your coils have 12 volt power going to them do they have a switched ground to signal them. if they don't usually ignition module it with your cam and crank sensors tell your coils when to spark and that your injectors to fire
  • AutoMD Member
    AutoMD Member - 1995 Toyota Camry - Engine - 1/29/2014
    Fuel consumption is rising. What is responsible?
    Fuel consumption is rising, what is responsible?
     
    • Jimm
      1/29/2014 Jimm
      First step - have any stored fault codes or check engine light scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA. Then, post a reply as 'add answer' with the specific code for more assistance. There may be a fault code stored in the OBD memory which may not be displayed as a check engine light.

      Possible Causes of poor fuel mileage:

      Dirty fuel injectors (cleaning the injectors often fixes this)
      Dirty air filter (change filter)
      Dirty / clogged fuel filter (change filter)
      Bad MAP (manifold absolute pressure) sensor
      Bad TPS (throttle position) sensor
      Bad or dirty MAF (mass airflow) sensor
      Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
      Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)

      Sometimes, there are conditions outside the engine, such as; wheel alignment, low tire pressure, brakes dragging.
      Ignition misfire can also cause poor fuel mileage, and some causes of ignition misfire;
      Dirty or worn spark plugs
      Bad plug wires
      Weak ignition coil
      Wet plug wires
  • jose crerspo
    jose crerspo - 2001 Toyota Camry - Engine - 1/27/2014
    Why my car do not has any spark on the spark plugs.
    put a fuel pump the car started and then did not started again and is not trowing spark.
     
    • HouseCallAuto
      1/27/2014 HouseCallAuto
      Determine if the check engine light is illuminated with the key in the on position. If not then it likely has a bad EFI main relay. Update the post.
  • jose crerspo
    jose crerspo - 2001 Toyota Camry - Engine - 1/27/2014
    why no spark / no gas/after replacing fuel pump/start once.
    current going to coil pack no current at spark plugs
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1997 Toyota Avalon - Engine - 1/26/2014
    Why is my car idling so high in the cold weather
    during the cold weather months when i first start my avalon it idles at about 2200 rpm for at least 5 minutes until i let it warm up.if i dont let it warm up and drive away the transmission will not shift from 2nd to 3rd until it does warm up.is there a component ...
     
    • Bill
      1/26/2014 Bill
      Could be a coolant temp sensor, also what happened to me was the Rubber boot between the Throttle body intake and the Air cleaner had cracked allowing air to bypass the MAF sensor and air sensor. This caused high idle and stumbling idle during first 5 minutes.
  • AutoMD Member
    AutoMD Member - 1995 Toyota 4Runner - Engine - 1/25/2014
    Both belts broke while driving
    95 toyota 4 runner 6 cil.
     
    • John's Auto Repair
      1/25/2014 John's Auto Repair
      I would check all the belt pulleys to be sure they all turn freely. If
      all is fine replace the belts. Many times when one belt breaks it
      will take out the other belts.
  • AutoMD Member
    AutoMD Member - 1994 Toyota Camry - Engine - 1/22/2014
    It don't turn on it have gass the battery is good
    140980 it happen wen I stop and turn it off it did it like 3 time but it turn on agone like in 4 second no light turn on or the engine
     
    • HouseCallAuto
      1/22/2014 HouseCallAuto
      Please rewrite this more clear please. More information and be very clear about what 'it don't turn on" means.
  • AutoMD Member
    AutoMD Member - 1990 Toyota Corolla - Engine - 1/22/2014
    How do I get my igniton out of lock when car self locked and button doesn't work?
    I't is locked in Park and the two buttons that normally would release it, aren't releasing it. There is nothing wrong with the engine. It started and I let it run for a few minutes, turned it off, came back in about 10 minutes and it had locked. That was yesterday ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1995 Toyota Camry - Engine - 1/19/2014
    Why does my car turn off when I'm at stop light?
    My car turns on and runs very good, but when Im at a stop light it turns off most of the time. When it doesnt you can hear the engine wanting to power off. It also happens when I reverse out from parking.
     
    • HouseCallAuto
      1/19/2014 HouseCallAuto
      Remove the vacuum hose that goes to the egr valve and plug the end of that hose and see if it still stalls. If the stalling is solved with this valve unplugged, replace the egr valve that is sticking open sometimes and causing your stalling at an idle. If that does not solve the stalling, replace the Engine Coolant Temperature (ECT) Sensor and the Idle Air Control (IAC) Valve and clean the throttle body. One of these 3 components is your cause.
  • AutoMD Member
    AutoMD Member - 1995 Toyota Camry - Engine - 1/19/2014
    Why does my car turn off when I'm at stop light?
    My car turns on and runs very good, but when Im at a stop light it turns off most of the time. When it doesnt you can hear the engine wanting to power off. It also happens when I reverse out from parking.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2006 Toyota Avalon - Engine - 1/19/2014
    Engine noise while idiling and running whining sound
    milage 93,000 all service up to date. normally use synth. blend oil. on recent oil change went to full synth. and engine is making noise. is full synth oil a problem
     
    • Jimm
      1/19/2014 Jimm
      The type of engine oil used is not a factor in the engine noise heard. The sound at idle speed is most likely related to these possibilities; worn serpentine belt, worn belt drive, belt-driven components bearings worn, weak / worn belt idler pulley, and worn / weak belt tensioner - more than anything else.

      Have you raised the hood to listen and pinpoint the source of the noise while the engine is at idle speed? If not, this would be a basic first step.

      The parts are readily available from these many on-line sources, www.partsgeek.com, www.rockauto.com, www.discountautoparts.com, www.autopartswarehouse.com, www.jcwhitney.com - to list only a few possibilities. For example, they (RockAuto) list the belt tensioner from around $84.00, and the serpentine drive belt from around $14.00 for your vehicle.
      These components are easily replaced - use the 'How-To-Guides' feature on the AutoMD website for the specific steps to replace the belt and belt drive components.
  • joshashdon
    joshashdon - 1988 Toyota Celica - Engine - 1/18/2014
    Why does my car use so much gas
    i can smell gas when my car idles it uses a quarter tank going 10 miles when it idles check engine light comes on but when im driving after 1500 rpm check light goes off what could this be
     
    • HouseCallAuto
      1/18/2014 HouseCallAuto
      Tough to venture a guess on this older fuel injected model, however, maybe you have an actual fuel leak from a rusted line or a leaking injector body. Someone has to check this over.
  • joshashdon
    joshashdon - 1988 Toyota Celica - Engine - 1/18/2014
    Why does my car use so much gas
    my car will go through a quarter tank of gas in 7 miles check engine light comes on when idle but when i go to take off at about 1500 rpm it goes off what could this be
     
    • Jimm
      1/18/2014 Jimm
      First step - have the stored fault codes or check engine light scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA. Then, post a reply as 'add answer' with the specific code for more assistance. There may be a fault code stored in the OBD memory which may not be displayed as a check engine light.
      The excess fuel consumption can be related to many potential issues; leaking fuel system, engine out-of-tune, faulty spark plugs / plug wires, clogged fuel or air filter, large vauum leak at the engine, and so on.

      Need to have the check engine light and OBD system scanned for any stored fault codes - this will help to pinpoint a particular problem and system to diagnose.
 
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