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Toyota engine repair questions and answers

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  • thomas
    thomas - 2007 Toyota Corolla - Engine - 9/23/2014
    Horn doesn't work. i've tried everything.
    all fuses are good. everything else works perfectly.
     
    • alex
      9/8/2014 alex
      check for power to the horn switch then check for power coming out of switch usually the problem is in the switch. the other quick check would be check for power and ground at the horn.
    • greasemonkey
      9/23/2014 greasemonkey
      if you have the power to all things needed check the horn relay
  • JCAD
    JCAD - 2005 Toyota Camry - Engine - 9/23/2014
    Check Engine Light - Toyota dealer said the oxygen sensor was bad.
    Dealer replaced the oxygen sensor then told me the light was still on and they think it is a computer problem or short. Is it possible it wasn't the Oxygen sensor originally?My question is whether or not i should have to pay for them to fix it. Could this be their ...
     
    • Jimm
      9/16/2014 Jimm
      The check engine light is located on the dash and stays on if the computerized engine control system detects an engine performance or emissions problem.

      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.
    • greasemonkey
      9/23/2014 greasemonkey
      if the light is still on then the code is still there, they should have provided you with a print out of that code. some times its the a/f ratio sensor and not the oxy sensor which is up stream.but if they told you what it was and replaced a part that didn't fix it they should either follow up on it or refund ur money.do you know what code the scanner pulled up?
  • AutoMD Member
    AutoMD Member - 1993 Toyota Camry - Engine - 9/23/2014
    How to replace ignition coil
    I have a code 14 engine code. I did the tune=up, change oil, checked Starter and altenator. The descriptions on 14 engine code shows that the problem is with the Igniter. Can you give me an idea about the problem?
     
    • greasemonkey
      9/23/2014 greasemonkey
      it's usually easier to remove the distributor and do it on the bench
  • noble
    noble - 1986 Toyota Camry - Engine - 9/21/2014
    Why does engine misfire below 1500 RPM ?
    Oxygen sensor was replaced but check engine light code is five flashes then pause then six flashes. The engine has 318,000 miles. With summer fuel blend, engine began to ping on driving up hill. Then began to shake when accelerator is released.
     
    • Jimm
      9/21/2014 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.

      Possible Causes of Engine Hesitation or Stumble:

      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)
      Bad gasoline (fuel contaminated with water or too much alcohol)

      Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

      Dirty or worn spark plugs
      Bad plug wires
      Weak ignition coil
      Wet plug wires
  • lkurtz
    lkurtz - 2011 Toyota Camry - Engine - 9/18/2014
    What work is done on Air Induction system service
    Carbon buildup on throttle body
     
    • Jimm
      9/18/2014 Jimm
      Check this website for a description of the work involved - save your self upwards of $80.00 to $100.00... http://www.familyhandyman.com/.../view-all.

      You should be able to purchase the materials for around $15.00 - 30.00 for this do-it-yourself project.
  • Sloanie
    Sloanie - 2007 Toyota Camry - Engine - 9/18/2014
    Troubleshoot code U0073??
    My 2007 Camry SE has an intermittent electrical issue. The problem started yesterday, no accidents of any time ever in the car. 195,000 miles on car. I have owned it all its life haha. She is again so I expect some things will need replacing but all in all best car ...
     
    0 answer
  • Sloanie
    Sloanie - 2007 Toyota Camry - Engine - 9/18/2014
    Trouble Code U0073 Diagnostics Help??
    My 2007 Camry SE has an intermittent electrical issue. The problem started yesterday, no accidents of any time ever in the car. 195,000 miles on car. I have owned it all its life haha. She is again so I expect some things will need replacing but all in all best car ...
     
    0 answer
  • Sloanie
    Sloanie - 2007 Toyota Camry - Engine - 9/18/2014
    Trouble Code U0073 Diagnostics Help??
    My 2007 Camry SE has an intermittent electrical issue. The problem started yesterday, no accidents of any time ever in the car. 195,000 miles on car. I have owned it all its life haha. She is again so I expect some things will need replacing but all in all best car ...
     
    0 answer
  • nicholas grifo
    nicholas grifo - 2004 Toyota Corolla - Engine - 9/16/2014
    Cause of engine knocking when engine is cold
    once engine is warmed knocking stops
     
    • Jimm
      9/16/2014 Jimm
      First step, check the engine oil level and refill as necessary. Once the engine oil level is OK, check the following items; oil filter (make sure there is an anti-drain back valve built in), check the valves/camshaft/ timing chain or belt (upper engine) for excess play/wear.

      Not much else to suggest - given the limited details provided. One other suggestion, check the noise location using a mechanics stethoscope.
  • nicholas grifo
    nicholas grifo - 2004 Toyota Corolla - Engine - 9/16/2014
    Engine knocking when engine is cold
    engine has 122.000 mi when engine is warm knocking stops
     
    • Jimm
      9/16/2014 Jimm
      First step, check the engine oil level and refill as necessary. Once the engine oil level is OK, check the following items; oil filter (make sure there is an anti-drain back valve built in), check the valves/camshaft/ timing chain or belt (upper engine) for excess play/wear.

      Not much else to suggest - given the limited details provided. One other suggestion, check the noise location using a mechanics stethoscope.
  • nicholas grifo
    nicholas grifo - 2004 Toyota Corolla - Engine - 9/16/2014
    Random knocking upon start up when engine is cold
    122,000 mi no mechanical work done .the random knocking occurs when vehicle is cold, upon start up.does not happen when driving. seems to be coming from front of engine. no check engine light
     
    • nicholas grifo
      9/16/2014 nicholas grifo
      waitring for an answer
      nicholas grifo
      9/16/2014 nicholas grifo
      Iam waiting for an answer to the question of a knocking engine
    • Jimm
      9/16/2014 Jimm
      First step, check the engine oil level and refill as necessary. Once the engine oil level is OK, check the following items; oil filter (make sure there is an anti-drain back valve built in), check the valves/camshaft/ timing chain or belt (upper engine) for excess play/wear.

      Not much else to suggest - given the limited details provided. One other suggestion, check the noise location using a mechanics stethoscope.
  • jojo
    jojo - 2008 Toyota Tacoma - Engine - 9/16/2014
    What is p0456 code?
    p0456
     
  • Dale
    Dale - 2001 Toyota RAV4 - Engine - 9/12/2014
    I need to replace the catalytic converter and the car is from Calf. and now in Washington St. Can I use a 49 state cat?
    Is there any difference in the rest of the equipment?
     
    • Jimm
      9/12/2014 Jimm
      Purchase the converter legal for the state the vehicle is operated in; if Washington - then the 48 states model is correct.
      Check the various on-line vendors; www.autopartswarehouse.com, www.RockAuto.com, www.partsgeek.com, to list only a few. In fact, they (RockAuto) list the catalytic converter from around $318.00 for your vehicle.
  • George
    George - 1997 Toyota Land Cruiser - Engine - 9/12/2014
    Car runs poorly hesitates, no powere
    273k mi. ecu replaced. ran fine for about 2 weeks
     
    • Jimm
      9/12/2014 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.

      Possible Causes of Engine Hesitation or Stumble:

      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)
      Bad gasoline (fuel contaminated with water or too much alcohol)

      Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

      Dirty or worn spark plugs
      Bad plug wires
      Weak ignition coil
      Wet plug wires
  • Ali
    Ali - 1995 Toyota Camry - Engine - 9/5/2014
    Oil leak from engine oil pump seal I changed the seal but the seal pop up when I starts the engine and keep happening
    every time I change the oil pump seal and starts the engine the seal pops up and teaches the oil pump pulley and starts leak again. plz help me.
     
    0 answer