The vehicle idles and runs rough and the check engine light flashes and also stays lit while driving. The code P0504 is supposedly associated to a possible faulty brake switch. Would a faulty brake switch cause these problems? What do you suggest?
SOURCE: 04 Sequoia; check engine, VSC TRAC, & VSC Off all lit
replace the O2 sensor for cylinder bank #2, that is the sensor before the catalytic converter, bank 2 is the back across from the bank that # 1 cylinder is in, disconnect the battery for 5 minutes and see if that clears the problem. see photo of engine banks
SOURCE: 2001 Camry code po440,po441,po446 after engine
2001 camry code po440,po441,po446
what kind of problem and how can be solved
sam
SOURCE: 2003 Toyota Camry - Both Brake lights not working
Lok in the trunk on the left side, behind the carpet for a small plastic box with a bunch of wires going to it. Look to see if there is brake light powe coming in with the pedal depressed. If so, and no power is coming out, you need to order and replace the "taillamp failure sensor".
SOURCE: '95 Toy 4-Runner Check Engine light and runs rough at idle
Older post...but, just in case you haven't found anything this is a great article.
http://www.off-road.com/toyota/tech/codes/index.html
SOURCE: 1989 Toyota Camry. No brake lights.
It could be the relay, which is a yellow box located under the carpeting in the trunk on the left side. It is a problem common to your model. Also, check the brake switch's (behind the brake pedal) functionality (12V present with key at ACC or ON and continuity between wires when button engaged).
i hope this helps
-matthew
Testimonial: "Wow! I would have never found the problem without you guys. It was the relay located in the trunk. Thanks!"
Check
engine light comes on and off, these are indication that there is some
error code stored in your vehicles ECM. The engine module computer
needs to be scanned. These will give the code and as per the error code the
further problem can be detected and confirmed. The engine light
indicator blinks or remains steady on dash when engine computer
noticed any problem with any engine electrically operated components.
For
more help, I suggest you to refer the help links provided below. These will let
you know more about which areas to look, check, when there is engine light
coming up on dash panel.
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Click
the link below: -------
http://whoisbyme.blogspot.in/2012/06/malfunction-indicator-light-on.html
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http://howtobyme.blogspot.in/2012/02/check-power-train-message-with-orange.html
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http://whatisbyme.blogspot.in/2012/05/2007-toyota-highlander-hybrid-yellow.html
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http://whatisbyme.blogspot.in/2012/05/car-runs-fine-but-check-engine-light-is.html
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http://howtobyme.blogspot.in/2012/01/check-engine-light-with-codes-p2195-and.html
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http://schematicsdiagram.blogspot.com/2011/12/how-to-read-codes-from-check-engine.html
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http://schematicsdiagram.blogspot.com/2011/12/vehicle-smog-test-failed-due-to-no.html
http://schematicsdiagram.blogspot.in/2012/02/obd-code-is-cleared-but-check-engine.html
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http://schematicsdiagram.blogspot.com/2011/12/car-jerks-while-going-uphill-and-check.html
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http://schematicsdiagram.blogspot.in/2012/02/toyota-camry-check-engine-light-flashes.html
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These
details will help.
Thanks.
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