2000 Toyota Tundra Code P00155

Heated oxygen sensors contain heating elements to help them get to operating temperature quickly in order to minimize the amount of time spent in open-loop operation A fixed rich mixture.

2000 toyota tundra code p00155. It is caused by a failure in one of the oxygen sensors heated elements specifically bank 2 sensor 1. Asked by GuruY1M5B Mar 15 2018 at 0538 AM about the 2000 Toyota Tundra Question type. In recent months Toyota has received reports of custome concerns regarding the two oxygen sensors located in the exhuast manifolds that monitor exhaust emissions.

Check engine light came on. 2001 Toyota Tundra V8 with code P0155 where is the 02 Heater Bank 2 sensor 1 located. Toyota service hooked up computer charged me 8500 and found code for failed bank 2 sensor.

First I used a universal o2 sensor that did not fix it so I just drove the truck for a year anyway. Discussion Starter 1 May 27 2010. P0125 is a generic OBD-II code.

Mar 29 2014. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. The code means the the sensor is taking too long to warm up.

The Engine Control Module ECM monitors how long it take the sensor to warm up and start sending an adequate signal. I have a persistent Check engine code of P0125 that keeps coming back even though I have recently changed both of the CATs all four O2 sensors the air filter the serpentine belt the Electronic Temperature Sensor and the thermostat. If your Toyota Tundra has registered it means that the ECMPCM is getting a signal from the engine coolant temperature sensor ECT that the engine is not warm enough to enter closed loop fuel control.

Persistent CEL Code P0125. P0125 is usually caused by a bad thermostat low coolant or a bad ECT sensor. Discussion in 1st Gen Tundras 2000-2006 started by dispatch789 May 22 2016.