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Toyota engine repair questions and answers

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  • jweedy
    jweedy - 1993 Toyota Previa - Engine - 11/29/2014
    I cleaned my starter electrical parts & put in a new battery. Car turns over and over and but won't fire up. Thoughts?
    The starter was being fickle and not really working. Seems to be consistent now that I cleaned it up and gave it some whacks. New battery too. But it seems I'm missing some spark somewhere. Alternator?
     
    • CVO
      11/29/2014 CVO
      First, check the battery and starter cables for their tightness or free of corrosion and physical damaged.

      See this Starting system simplified diagram. Have a help from an assistant to crank the engine, use a 12 volt light tester or a digital voltmeter, apply it to the starter control circuit.
      If there is light or 12 volts and the starter isn't cranking, then the starter is the culprit. Have the starter to bench test for free at the local auto parts stores.
      If there isn't no light or no volts, then the ignition switch is the culprit.
      Check the starter relay and position the Automatic transmission shifter in neutral.

      http://www.samarins.com/glossary/starter.html

      Note: a 3/4 charge battery is 12.50 volts
      A discharge battery is 11.75 volts.
      A battery under a cranking load and it is reading less than 7 volts,it will be a recycled battery.
      CVO
      11/29/2014 jweedy
      Thanks! Actually got it going and it starts up fine now. Seems like fuel wasn't getting where it needed to be. But now in park or neutral (reverse seems normal) it's idling/revving quite a bit higher than normal. And then there is an occasional lull. Stuck throttle? Thoughts!
      CVO
      11/29/2014 CVO
      Use the WD-40 to lubricate the throttle shaft and their linkages, it does help.
  • jweedy
    jweedy - 1993 Toyota Previa - Engine - 11/28/2014
    I cleaned my starter electrical parts & put in a new battery. Car turns over and over and but won't fire up. Thoughts?
    The starter was being fickle and not really working. Seems to be consistent now that I cleaned it up and gave it some whacks. New battery too. But it seems I'm missing some spark somewhere. Alternator?
     
    0 answer
  • Diane
    Diane - 2002 Toyota Highlander - Engine - 11/20/2014
    Need to get maintenance for 120K. looking for a reliable shop.
    I feel that I will need additional service due to my car just passing smog this year and am not sure what the problem is.
     
    0 answer
  • Rick
    Rick - 2000 Toyota Corolla - Engine - 11/20/2014
    I removed the battery to replace a headlight. Put battery back and now the car is dead. Won't start.
    I checked the fuses, tried to jump it, tried a different battery. Still nothing. Stone dead. what gives?
     
    0 answer
  • JSomoza
    JSomoza - 2001 Toyota Celica - Engine - 11/16/2014
    Car won't go past 1st gear without a big struggle and once in 2nd gear it won't accelerate
    I've changed out the oxygen sensor and all the spark plugs but still the vehicle struggles when I accelerate. Even in idle if I accelerate it bogs down instead of accelerate. It may go up like 500 rpms but then goes down again while I'm still holding down the ...
     
    • Bill
      11/16/2014 Bill
      Very well could be a timing belt that has stretched and moved, Need a bit more info about the mileage of vehicle and known maintenance performed, also is the check engine light on? If so you could have the trouble codes run.
      Bill
      11/16/2014 JSomoza
      I am told it has a timing chain and they don't go bad so soon. It has 118k miles and I've canged the oxygen sensors and plugs. Previous owner changed air intake manifold and radiator. The check engine was on for cylinder one misfiring which is why I changed the plugs and also for possible bad oil control valve or possible bad engine control module. After maintenance no check engine light is on most likely because the battery was disconected so just waiting for it to pop again
    • Bill
      11/16/2014 Bill
      I apologize, you are absolutely correct on it having a timing chain,pre-2000 had belts. Ok it is slightly possible a chain tensioner problem, or even the throttle body intake. Good Luck
  • JSomoza
    JSomoza - 2001 Toyota Celica - Engine - 11/15/2014
    Car won't go past 1st gear without a big struggle and once in 2nd gear it won't accelerate
    I've changed out the oxygen sensor and all the spark plugs but still the vehicle struggles when I accelerate. Even in idle if I accelerate it bogs down instead of accelerate. It may go up like 500 rpms but then goes down again while I'm still holding down the ...
     
    0 answer
  • Nevy
    Nevy - 2003 Toyota 4Runner - Engine - 11/13/2014
    Where can I get a diagnostic equipment
    At what price?
     
  • HelpMeFixIt
    HelpMeFixIt - 1998 Toyota 4Runner - Engine - 11/13/2014
    Wont rev over 3500 rpm
    237k miles - Items tested or replaced - ecu, fuel filter, fuel pump, injectors prof cleaned, coil packs, plugs/wires, ignitor, crank sensor, cam sensor, timing belt/accessories, MAF, TB cleaned, TBS tested, FPR replaced, fuel lines blown out with air all the back to ...
     
    0 answer
  • HelpMeFixIt
    HelpMeFixIt - 1998 Toyota 4Runner - Engine - 11/13/2014
    Wont rev over 3500 rpm
    237k miles - Items tested or replaced - ecu, fuel filter, fuel pump, injectors prof cleaned, coil packs, plugs/wires, ignitor, crank sensor, cam sensor, timing belt/accessories, MAF, TB cleaned, TBS tested, FPR replaced, fuel lines blown out with air all the back to ...
     
    0 answer
  • LCharles
    LCharles - 2000 Toyota Echo - Engine - 11/10/2014
    Which part needs fixing? Catalytic converter or oxygen sensor?
    The car doesnt always accelerate, has loss of power when driving.
     
    0 answer
  • Keasha Pounds
    Keasha Pounds - 1994 Toyota Camry - Engine - 11/7/2014
    While driving the car down the road yesterday at a speed of about 30 miles per hour, the car simply turned off
    There were no symtoms at all. this car is a 1994 and has quite a bit of miles on it. Still has power and turns over yet will not start
     
    • GT500Knights
      11/7/2014 GT500Knights
      I would suspect an ignition coil went bad, has happened to me. Driving down the road to work then bam no power steering no power brakes. Have it tested first. If the car kind of sputtered before it shut off, usually its fuel related, most likely fuel pump.
  • robntay
    robntay - 2004 Toyota Tacoma - Engine - 11/5/2014
    What kind of ignition kit do I need
    My truck was recently broken into, and if need to replace the ignition
     
    0 answer
  • Mike
    Mike - 2000 Toyota Camry - Engine - 11/5/2014
    When i go to crank my car up it cranks but will not stay running unless i keep the gas pedal in what could be wrong
    My car will not stay running unless i keep my foot on the gas pedal and as soon as i released the gas pedal it dies
     
    • jdl
      11/5/2014 jdl
      You could try cleaning the idle air control valve and throttle body, see if it helps?
  • big lou auto
    big lou auto - 1996 Toyota Camry - Engine - 11/4/2014
    Car starts and then dies when take my foot off throttle
    Was running fine tell timing belt broke. Replaced belt and crank sensor.now car start then die but if I keep my foot on thottle it will stay running .tell I thottle up or release thottle.
     
  • AutoMD Member
    AutoMD Member - 2008 Toyota Solara - Engine - 11/2/2014
    Timing chain and waterpump?
    I have noticed some noise in the car coming from the serpentine belt area and yesterday I was driving and it was squealing a little bit when the air conditioner was turned on. When I stopped the car I noticed antifreeze or coolant was leaking on that side of the car ...
     
    • alex
      11/2/2014 alex
      a failed water pump it's you timing belt squealing on the pump that has locked up i would go ahead and do the belt and idler pulley while you are at it. it's right there and a pain in the but if the idler goes bad later