What is the trouble code on my Toyota Prius?
One of the most common trouble codes with the Toyota Prius is the P0171 code. This code number references a number that is given to you when you plug your car One of the most common trouble codes with the Toyota Prius is the P0171 code. This code number references a number that is given to you when you plug your car into a OBDII scanner.
When does a Toyota engine have a trouble code?
This trouble code is usually triggered when the O2 sensor in position bank 1, sensor 1 is bad or has faulty wiring. Replacing the sensor will almost always get rid of the code.
Why does my Toyota engine have a code p0401?
When code P0401 is triggered, it’s because the DPFE sensor found too little recirculation. This code indicates that too much exhaust gas recirculation (EGR) is occurring — the result is an overly-rich mix of oxygen in the air/fuel ratio and higher engine temps.
What causes a Toyota Prius to run rich?
When the oxygen sensor is bad, it can cause a false reading and trigger the code. The computer will still adjust the air/fuel mixture to compensate. This will cause the Prius to run rich. Mass Air Flow Sensor– The mass air flow sensor calculates the volume of air entering the engine.
What kind of problems does a Toyota Prius have?
Common Prius Transmission Problems 1. Failure of the transmission before time 2. Transmission stops working suddenly 3. Engine response is slow 4. A whining noise
Is there a problem with the P0420 code on a Prius?
Unless your cat converter is missing, there is not a huge reason to freak out over this code. Your Prius will still run okay; it will not pass emissions testing, though. The fix for the P0420 code is replacing the converter, that is it. Do not bother getting it diagnosed; just replace it.
What is the p1121 code on a Toyota Prius?
Another contributor to our check engine light list of failures and a common one is the P1121 code. This code means one thing, replace the three-way coolant valve. Visit Torque News homepage for more stories. P1121 is another code that appears on Prius regularly.
Why do I have a master warning light on my Toyota Prius?
If you get a long buzzer and a master warning light, chances are you have a C1256. This means you need to replace the brake actuator on your Prius. The reason this occurs is that the brake system can no longer maintain pressure internally. Could you have another issue with your Prius?