Question about 2004 Toyota RAV4

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Check engine light

I have a 04 Rav4, the check engine light will go on and off. When on the VSC Trac light and Trac will show on panel. Diagnostic test indicated a sensor problem. should I be concerned?

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  • Anonymous Aug 12, 2008

    I have a Toyota Rav 4 with 123,000 miles on it. The vsc light and engine light come on together. I took it to a Toyota dealer and paid approx. $500.00 to have the vsc sensor replaced because they said that the other sensor would be much more and they would start with this one. Now 80 miles or so later, both lights are back on and I am not sure what to do next. Did I get hosed at the dealer? And what should I do next?

  • anniescar Aug 29, 2008

    I've taken my 2004 RAV4 to the dealer twice now because the check engine (and VSC TRAC) lights came on. Last week I was told the code indicated a slight leak in the emissions system but they could not find any leak so they reset the light. A few days later the light was back on. I took it back a couple of days ago. This time they just replaced the gas cap gasket. This morning the light is back on again.

  • roxavise Sep 05, 2008

    2004 RAV4 - VSC TRAC light and CHECK ENGINE light are both on. Truck has 95K on it. Should I just reset the lights, or do I trust a dealer?

  • mependar Nov 06, 2008

    I had some body work done on the front right end - I drove away from the dealership, and both check engine and vsc trac lights came on 10 minutes later. The next day, they had turned themselves on. This happened again several weeks later, but again, turned themselves on. Now they're back on again! Not sure what might be wrong. 

  • Red-Ruby Dec 06, 2008

    I brought my 2007 RAV4 in for routine maintenance (oil change, tires rotated etc) and since have had this same problem. The engine check light, 4WD light and the VSC light stay on constantly. My dealer and service person both say it is the gas cap. The vehicle has less than 24,000 miles on it. So what gives?

  • ania_m Dec 07, 2008

    Dear All - please advice I have the same problem. I imported my car Toyota RAV4 2007 from USA two months ago (I live in Poland). After a month of using the car 3 light came on: VSC, traction and Check engine. I was told at Toyota dealer that the reason might be lack of tighness in the fuel system caused most likely by the fuel tank cap - so I got brand new cap from USA and replaced it, paralel to reseting the light by disconnecting the battery. After two days all the lights are on again. Few times before I used the simple solution - disconnecting the battery but unfortunatelly it seems as it only helps for a while. Please advice sth more permanent :-)

  • nancyn Jan 11, 2009

    Nothing special - just have all the same lights on. Not running any differently that i can tell. Thought is might have been triggered by a leak in a tire (now repaired) messing with the trac system but no more leak & lights still on.

  • Anonymous Mar 28, 2014

    Check engine light stays on diagnostic test shows OEM cross P0031



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Yes and im not sure how many sensors this car has.they can tell you at autozone for free.they even run the code test free with a print out telling you which sensor.

Posted on Jul 10, 2008

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You can reset the computer by disconnectin the negative terminal on your battery for about 5 minutes. But I would do an OSD 2 scan to determine which sensor has gone bad so you can replace

Posted on Dec 06, 2008


I have the same problem, have to go to fix it on Monday.

Posted on Oct 26, 2008

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