Alternatively, a clogged air filter not letting enough air through will trigger a warning that the engine is being forced to run ‘rich’. Whether the signal given by the mass airflow sensor is For more information about replacing other light bulbs, contact your Toyota dealer. Preparing for light bulb replacement Check the wattage of the light bulb to be replaced. (→P. 347) Page 283 7-3. Do-it-yourself maintenance Halogen bulb type KBAV731102E Headlights Front turn signal lights Side turn signal lights on the Front fog lights (if
The flashing light often indicates a misfire, which can cause damage to the catalytic converter. When this happens, the engine should be turned off immediately to prevent further damage. 1. Loose or bad gas cap. It is possible for the check engine light to come on in Sienna due to a loose or bad gas cap.
Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 · hi@yourmechanic.com. Read FAQ. GET A QUOTE. The check engine warning light means there is a problem with the vehicle's engine.

Nonetheless, there is a simple trick to turn off the check engine light. All you need to do is to turn the ignition on and off. Doing so resets your car’s electronic control unit. The only time the trick would not work is when the engine’s problem is severe to the point where a reset cannot fix it. This article expounds on the factors that

Pull over, tighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for a few Cc1O.
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