What does the code P0155 mean?
What does the code P0155 mean?
What the P0155 code means. When the P0155 code is present, it is an indication that the heater element of the oxygen sensor is taking longer than the normal to heat up. The power control module (PCM) will store the P0155 trouble code and the Check Engine Light will come on to alert the vehicle’s operator to the problem …
What does P0137 mean?
P0137 is the OBD-II generic code indicating the O2 sensor for bank 1 sensor 2 is failing to increase the voltage output above . 21 volts indicating excessive oxygen in the exhaust. This code occurs when the engine control module (ECM) sees the voltage of the O2 sensor for bank 1 sensor 2 below .
What does code po156 mean?
P0156 OBD-II: O2 Sensor Circuit The Rear Catalyst Monitoring Oxygen Sensor evaluates the Catalytic Converter’s emissions-reducing capability. Code P0156 is set when the Rear Oxygen Sensor signal does not show enough activity to indicate fuel control and closed loop fuel management.
What is P0161 code?
What the P0161 code means. This code means that the bank 2 sensor 2 oxygen sensor is not warming up properly due a problem in the oxygen sensor heater circuit.
Is bank 2 sensor 1 left or right?
The oxygen sensor or Air/Fuel sensor closest to the engine in the exhaust manifold will always be Sensor 1. The O2 sensor located in or behind the catalytic converter will be Sensor 2. On V6 and V8 engines, Sensor 1 will always be on the SAME side as the Number ONE cylinder in the engine’s firing order.
What is HTR code?
HTR is a symbol for the heated oxygen sensor readiness. When the symbol flashes the system readiness cannot be achieved due to the P0306 misfire problem.
What is a cat code on a car?
P0420 code “catalyst system efficiency below threshold bank 2” is a code that your cars computer will set when it sees that the catalytic converter is not working efficiently. This can be either because the CAT (Catalytic Converter) is not working properly, but it is more often set because of something besides the CAT.
What is HRT code?
HRT = Oxygen Sensor Heater Monitor (this also always goes green quickly for me)
What is the code for O2 sensor?
A trouble code that points to an oxygen sensor (such as p0420, p0135, p0141, or others) is only the first step in your mechanic’s diagnosis of the problem. It turns out that most of the issues that set oxygen sensor codes are not a result of a bad sensor.