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VSC and Malfunction Indicator came on and stays on

2005 RX330 Lexus
VSC and Malfunction Indicator came on and stays on

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When you say malfunction indicator , do you mean `check engine`` light.
These paired lights can indicate a change in engine air flow and fuel mixture. Try a fresh tank of premium fuel, but first a unscrew and re-screw the gas cap until it ratchets into place. The lights can be triggered by a loose gas cap, a fouled O2 sensor, and several other emission related problems including sticking throttle body components, etc.
This can sometimes be sprayed with carb cleaner inserted in the snorkle area of the air intake where teh snorkle meets the metal intake.

Posted on Dec 11, 2009

Testimonial: "Thanks for the reply, it was a loose gas cap once tightened it all cleared. This was very helpful."

  • Bestway Jul 12, 2013

    Testimonial: Over a week ago your solution about loose cap fixed the problem But darn thing has appeared- Vsc and Engine lights. Tried repeating the gas cap solution but this time it does not work and lights stay on.. How do I fix it this time? help!



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Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

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