Check Engine Light On Prius

Turn off your car and put the key fob in the ignition.

Check engine light on prius.

When my 2009 toyota prius reached approximately 65 000 miles the check engine light came on and the error code was p1121 indicating a problem with the coolant control valve. Toyota prius check engine light reset. The video above shows how to locate the on board diagnostics obd plug on your 2010 prius how to read the trouble codes and how to reset or clear the check engine light using a scanner on your prius. The on board diagnostic has to run and pass three consecutive times to turn off the light.

December 26 2017 by jonhughes. So i promptly unscrewed my gas cap and re screwed it in. So my prius check engine light came on the other day. Light was still on.

The mechanic who inspected the valve said it was not closing securely. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. Hold down your car brake and press the power button to turn the car on. Now i knew from the internet that the most common cause of this is a loose gas cap.

The light was still on. The check engine light may need a few days to a week of normal driving before turning off. I took the car to my local toyota dealership and their charge for replacing the part was 400. Started the car again this morning.

Cold start drive until normal operating temp park at least 5 hours repeat two more times. I started the car again. Drove to the dealer. It may signal a minor or major complication however ignoring it certainly makes the problem worse resulting in expensive damage and repair.

Continue holding down the brake as you press the odometer trip button. A check engine light can indicate a broad spectrum of problems with your 2010 toyota prius. You may avoid all of the hassles if you understand the motives of this light coming.