RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

Malfunction indicators - what's wrong and what's this gonna cost me?

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Old 03-15-12 | 06:22 AM
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Default Malfunction indicators - what's wrong and what's this gonna cost me?

2002 RX300 2WD - 125K miles, no major issues thus far BUT I have the following indicator lights that just came up:

CHECK ENGINE / VSC / TRAC OFF

the user's manual all indicate the same, contact your Lexus dealer. Should I brace myself for the worst?
Old 03-15-12 | 06:27 AM
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Originally Posted by BBLexus
2002 RX300 2WD - 125K miles, no major issues thus far BUT I have the following indicator lights that just came up:

CHECK ENGINE / VSC / TRAC OFF

the user's manual all indicate the same, contact your Lexus dealer. Should I brace myself for the worst?
You need to have an OBD2 reader to check the codes to see what they are and let us know. A lot of auto parts stores have them and can let you check them for free. I have a relatively inexpensive one I keep in the car that I got on Amazon,
Autel MaxiScan MS300 Autel MaxiScan MS300
Old 03-15-12 | 08:01 AM
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Originally Posted by BBLexus
2002 RX300 2WD - 125K miles, no major issues thus far BUT I have the following indicator lights that just came up:

CHECK ENGINE / VSC / TRAC OFF

the user's manual all indicate the same, contact your Lexus dealer. Should I brace myself for the worst?
Autozone and as Lex said, most auto stores will pull the code for free. The VSC and TRAC OFF are often accompanied with the check engine light. The reason I've been told is: The computer will auto shut off the VSC and TRAC off to protect the vehicle/driver/passengers. Whatever is tripping the CEL may adversely effect the VSC and TRAC.
Old 03-15-12 | 11:46 AM
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A quick check before bringing the car to autozone to pull the codes
would be to check the vacuum hose is still connected to the air filter.
This happens quite often to my RX, I simply push the rubber hose
back into the metal tube sticking out from the air filter, then
disconnect/reconnect my battery. Everything clears up after that.
Old 03-15-12 | 11:57 PM
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Originally Posted by BBLexus
2002 RX300 2WD - 125K miles, no major issues thus far BUT I have the following indicator lights that just came up:

CHECK ENGINE / VSC / TRAC OFF

the user's manual all indicate the same, contact your Lexus dealer. Should I brace myself for the worst?
That is a very GENERIC combination of lights and MAY HAVE NOTHING to do with any of those things. Many different things can trigger that combination of lights. More of a "hey, you MIGHT want to take a look around" than it is a red flag. Don't run any RED lights getting to the dealer! Do a search on that combination of lights and you'll have plenty of reading to do. 1st check what Lexrally said, but don't lose any sleep over it.
Old 03-16-12 | 09:17 PM
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Check engine light on? Retrieve the codes and we can start from there...
Old 03-17-12 | 02:53 AM
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If the lights just came up, check your gas cap to see if:

a) it is not on correctly
b) it is broken, even the smallest crack equals broke

This is the cheapest fix, best to start there.
Old 03-17-12 | 04:39 AM
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Every time this has happened to me (i.e., Check engine light indication), it has been for one of the air/fuel or oxygen sensors burning out. Each of the three sensors has been replaced once and one has been replaced twice. So, if I were to guess, that would be my best guess. Not really cheap, but not really expensive. Maybe $100 if you do it yourself and up to $500 if you go to a dealer.
Old 03-24-12 | 11:57 AM
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It turned out to be the gas cap! Thank you for the advice. Sorry been busy at work and didn't have time to reply until now.
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