A lot of short trips or oil consumption in our Prius can cause build up on the precious metals inside the converter over time. The corresponding code is then sent to the computer, and you get a check engine light.Ĭat converters can fail in many ways. The sensors are doing their job if they detect low oxygen. The trouble code sets because the oxygen sensors are not seeing enough oxygen storage inside the converters. The catalytic converter is a vital part of the low emissions system that Prius has. If you have had your cat converter stolen, this code and others would appear along with a droning noise, letting you know that part of your exhaust is missing.Ī P0420 trouble code means that your catalytic converter is not "firing" and converting those harmful exhaust gasses into lesser harmful gasses. Top Repair Two: P0420 Catalyst System Efficiency Below ThresholdĪ P0420 trouble code is our next one here. #Tmpgenc video mastering works 5 error codes full#I have a full write up of this specific code found here if you would like to know more. It is a fast and straightforward repair that can be done in less than an hour. If you get the P0A93 code, you only need to replace that pump and move on. This "short" causes momentary pauses in the impeller flowing and then sends a code to the computer with the corresponding trouble code. The reason that trouble code sets is due to an internal pump failure typically found on the motor windings. #Tmpgenc video mastering works 5 error codes manual#While the service manual states there are several causes for this code appearing, it has been proven over time that the right repair for this is merely replacing your electric inverter water pump. The code is quite common, and the repair is easy. While no one likes their car breaking down, with this code, there is not a reason to panic. I have seen many people who get this code and initially almost have a come-a-part. Top Repair One: P0A93 Inverter Cooling System Performance Code I want to cover 5 top "check engine light" problems that can occur, and fixes that are not guesses, but proven repairs for your Prius. When we get the master warning light that comes on in Prius, it can send a shockwave of terror through us, not knowing what has happened to our car. The more Prius gets used, the higher the risk of getting a trouble code for a failed part. There are millions of Gen 1, 2, and 3 on the road without warranty, and the cars are aging. If I were to take a poll with Prius owners, I would bet that most of them have encountered at least one trouble code in their car.
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