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What are some tips for troubleshooting a Toyota RAV4?

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Quick Answer

When troubleshooting a Toyota RAV4, check for problems with the engine's evaporative system and make sure that the latest software update is installed in order to counter a common catalytic converter problem. Additionally, verify the solenoid contacts in the vehicle's ignition, and check the transmission if the car has more than 125,000 miles.

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Full Answer

One of the most common issues owners of Toyota RAV4 vehicles report is a faulty evaporative system releasing charcoal pellets that clog the engine's vent valve. To repair this problem, replace the vapor canister and all of the related valves as a single unit.

Some owners of Toyota RAV4 vehicles report that the Check Engine light comes on in response to a problem with the vehicle's catalytic converter when no such problem exists. Toyota released a software update that resolves this problem, allowing the car's computer to report issues accurately.

A Toyota RAV4 that does not start may have worn or corroded solenoid contacts in the ignition. This common problem can be remedied by replacing the solenoid contacts without having to replace the entire ignition assembly.

Toyota RAV4 vehicles with automatic transmissions may fail to shift properly after attaining mileage in excess of 125,000 miles. Typically, the vehicle's throttle position sensor is no longer properly adjusted, although it is also possible that a shift solenoid needs to be replaced. Generally, a qualified mechanic can resolve this problem without overhauling the transmission entirely.

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