Question about 2000 Lexus RX 300

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I have a 2000 RX 300 and the Engine Check light comes on. When I disconnect the battery it will stay off for a while, but it will eventually come back on. What could be the problem?

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If the light came back on after disconnecting the battery, your computer pick up a hard code, means it needs to be check out, autozone came do this for free, get back with us with the code number and we will help you diag. your trouble code.

Posted on Aug 23, 2010

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The Vsc on 2003 Lexus RX 300 engages front passenger side tire only,VSC light will eventually come on and stay no issues,clear the light and problem returns !any help?


Why have you not had the vehicle at a shop, so they
can check the systems for codes & at least find a problem?

You clear dash lights,you clear ALL the data needed to work on
any vehicle, until the lights come back,codes return or emission
monitors run

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1 Answer

Just got car service for 75,000 miles also had new


Sounds to me like someone has perhaps knocked the ABS sensor while working on the brakes. The ECU in these cars interlinks various stability and braking components. Go back to the service center and ask them to put a code reader on the car and get a read out. It may only require that they reset the fault codes, but do not delay. On some Lexus vehicles these lights will also come on when the battery has been disconnected and there will be a reset for the programs, but the TRAC off light has never come on on my 2001 when doing brakes or battery swap.
nice find an 02 with 75,000. My 2001 is over 160

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1 Answer

2000 Lexus RX 300 - VSC Light comes on and brake pulsation


you most likely have an "air gap" or "tone ring" problem with one of your sensors or tone rings. i would suggest letting a technician diagnos which problem it is, as it is a diagnosis that requires some experience.

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2000 Lexus RX300 clock won't hold memory. We have a 2000 Lexus RX 300. We took it in for a check engine light and to change spark plugs and timing belt. When we got it back, the clock will not hold it's...


tony none of those repairs should have affected the clock in any way. sounds like an unlucky coincedence, but you should go back to the place where repairs were performed and ask them to check it for you. a health check should be performed to se if any fault codes are present.

Sep 27, 2009 | 2000 Lexus RX 300

1 Answer

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no. the next time the light sets codes you need to have the coputer scaned.

Feb 22, 2009 | 2000 Lexus RX 300

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Check Engine light just came on steady


it could, to clear the check engine light, you or someone else can unhook the negitive battery termanal, wait about 2 minutes and unhook thev positve cable, wait a couple minutes and rehook positive cable then negitive cable. this should turn off light. if it comes back on, you'll need to have it diagnosed.

Nov 19, 2008 | 2000 Lexus RX 300

2 Answers

Engine Light


The check engine light has nothing to do with the oil, water etc. it signals that a fault has occurred in the engines electronic controls and it has failed a test of some system that the cars computer runs every few minutes while the engine is running, it can be one of a 100 different systems that made the light come on, take the car to a Kragen Auto parts store or another chain parts store like it and ask them to run a OBD 2 system test (it's free), this will retrieve the trouble code(s), post the code(s) back on this thread and I will explain what it will take to repair.

Oct 14, 2008 | 2000 Lexus RX 300

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