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2004 sienna van issues

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  • January 28, 2014 at 10:05 am #578068
    Rob RichardsonRob Richardson
    Participant

      idk whats going on now but the 02 sensor is bad, crankshaft sensor bad, transmission fault, no engine immobilizer system, no van security system, and park neutral safty switch bad this is a major problem cause my dad wants it to last another year its has 166k miles now

      need major advice or help

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    • January 28, 2014 at 10:59 am #578074
      KaydonKaydon
      Participant

        That’s a lot of electrical issues. Toyotas sometimes can exhibit weird symptoms just by having a bad battery, I’ve seen it many times. Do you know you have a good battery and alternator?

        Did all this happen at once?

        January 28, 2014 at 2:24 pm #578091
        college mancollege man
        Moderator

          Is the check engine light on? if so post codes.
          Check your fuses.

          January 28, 2014 at 5:59 pm #578119
          Rob RichardsonRob Richardson
          Participant

            The check engine light isnt working lol yeah all this happend at once

            January 28, 2014 at 6:01 pm #578120
            Rob RichardsonRob Richardson
            Participant

              Battary is brand new but ill check it altenator is original so maybe thats the issue

              January 28, 2014 at 8:15 pm #578128
              A toyotakarlIts me
              Moderator

                Check the battery connections. All those error codes at once are suspect. Todays computerized cars need a clean steady supply of power… loose connections or weak batteries can cause ghost codes. Recommend you clear the codes, ensure terminals are clean and tight, and if necessary have the battery load tested. ..

                Karl

                January 29, 2014 at 9:18 am #578271
                KaydonKaydon
                Participant

                  I agree completely with Karl. Thanks for mentioning that as I forgot to do so.

                  January 30, 2014 at 3:16 am #578408
                  EricTheCarGuy 1EricTheCarGuy
                  Keymaster

                    Yep, battery terminals can be a real issue sometimes.

                    Here’s more info on solving electrical and performance issues.

                    http://www.ericthecarguy.com/faq/solving-automotive-electrical-problems

                    http://www.ericthecarguy.com/faq/solving-automotive-performance-issues

                    Good luck and keep us posted.

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