The check engine, VSC, and 4WD lights keep coming on at the same time.


Asked by Aug 22, 2015 at 05:45 PM about the 2007 Toyota RAV4 Base

Question type: Maintenance & Repair

The lights are on in my car.  Have had both oxygen sensors replaced.  The lights go off for a day, then they come back on.  One mechanic said maybe it needs a software update, other said maybe it was that the sensor was not an official Toyota part  (the front sensor was a Toyota part).  This car does have a recall on it for an oil consumption issue.  However, they have not figured out a remedy for it yet.  All other recalls have been addressed.  I screwed the gas cap on properly and lights are still on.  Any advice?

2 Answers


Have you had - or did the mechanic do an OBDII scan? And 02 sensors really should be Denso. But not absolutely critical.. other brands will work and not cause the CEL to come on


Also, there is nothing wrong with the VSC. Toyota/Lexus uses not only the braking system, but also controls the throttle to help get the RAV out of tricky situations with VSC. If the engine is not running right, the ECM shuts down those systems

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