Review Of 2003 Toyota Rav4 Check Engine Light Reset Ideas. An obd scanner can be used to clear diagnostic trouble codes (dtcs) and reset the check engine light in rav4. It is you air fuel sensor on the exhaust manifold.
Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to. Key on, find main odometer reading, key off, hold od, key on wait for 0000. But there is an easier way that doesn't require tools and won't affect your radio settings.
