Question about Scion xB

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06 scion xb had been hard starting for a couple weeks and then today just wouldnt start

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  • 5 more comments 
  • westiemag Feb 08, 2010

    It still cranks but wont start

  • westiemag Feb 08, 2010

    No it does not want to start

  • westiemag Feb 08, 2010

    Is checking the air mass sensor DIY or is that the type of thing I take in...im your youll be able to tell the answer just from me asking about it

  • westiemag Feb 08, 2010

    not yet but that would be coming next, what about fuel pump?

  • westiemag Feb 08, 2010

    i cleaned off a lead (air mass sensor?) that was screwed on the top of the air filter box, there was some dirt, film on one side, we checked and have strong spark, then it started!!! Now i'll test it some more to see if it starts consistently.

  • westiemag Feb 08, 2010

    went to start after @ 30 minutes and wouldn't start right away but wanted to and after a little gas pedal feed started, maybe i need to clean the sensor better with carb cleaner instead of wiping it clean with paper? It never seems to stumble or stall once it starts but only when starting.

  • westiemag Feb 08, 2010

    Worked for me, thanks, Gal 2:20

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  • Master
  • 1,098 Answers

Hi most likely the battery will have failed, especially as the cold weather has been battery's fail in the cold, and probably will be the only battery the car has had from new with it being an 06.

Also it could be a poor connection from the car battery to the car body, if not any of these then the starter motor but to be honest that's a little unlikely for the age of the car.

Hope this helps.
Regards
Dan

Posted on Feb 08, 2010

  • 3 more comments 
  • Dan Doherty
    Dan Doherty Feb 08, 2010

    When cranking does it sound like it wants to start? does it have an immobilizer?
    Other possibilities are the plugs,leads,coil pack, are you pumping the gas when trying as well?

    Regards
    Dan


  • Dan Doherty
    Dan Doherty Feb 08, 2010

    It could be the immobilizer if it has one. but I would check the air mass sensor and air flow meter you can try cleaning the air mass sensor before having to replace it, if it has failed then it will not be getting the right amount of air to start the car.


  • Dan Doherty
    Dan Doherty Feb 08, 2010

    Hi its the wired part with a sensor leading to the air box, fits inside the air box! you should be able to remove it yourself, get some carb cleaner and spray it up they sometimes just need a clean and will work again. ensure the sensor is dry before replacing and check for any moisture in the air box.

    Also still check the battery earth lead from the car battery to the car body they can fray on this model and then they dont get full power on starting, it should have a good connection to the car body.

    Does the battery die off after trying to start it?


  • Dan Doherty
    Dan Doherty Feb 08, 2010

    Possibly do you know where the fuel relay is? or do you have the manual for the car?
    it would be more likely the relay than the pump, cheaper too


  • Dan Doherty
    Dan Doherty Feb 08, 2010

    Try carb cleaner, give it a good blast through, it may need replacing, if this part fails then the car wont know how much air to mix with the fuel.



    They cost about £30 off ebay



    Regards

    Dan

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