2000 Toyota Tundra Code P0171

The code is thrown when the oxygen sensors detect that theres not enough oxygen in the exhaust system.

2000 toyota tundra code p0171. CEL ON WITH P0171174 CODES RPM. OBD II fault code P0171 is a generic code that is defined as System too lean bank 1 or sometimes as Fuel trim FT system too lean bank 1and is set when the PCM Powertrain Control Module detects a lean airfuel. 2 trip detection logic Trouble Area.

If there are no intake leaks the next step is to replace the air filter and clean the airflow meter. Or maybe used your own OBD scanner to extract the car faults. Remove the connector remove the screws and remove the sensor.

Tech tested AF sensor on scan tool and sensor is not responding to lean command. Tech prelaced ECU and AF sensor. Having had a 01 Taco before this Im really familiar with the MAF sensor codes.

The OBDII trouble code P0171 - System Too Lean Bank 1 means that the engine air-fuel mixture is too lean or there is too much air and too little fuel. What Does P0171 Mean For Your Toyota. The exact vehicle in.

P0171 is a lean code. Tundra P0171 Code Defined. STFT 39 LTFT 547 However currently it is running as follows.

P0171 is an OBDII trouble code. END OF SPECIAL NOTES. My 2000 has the same code for the last 6 months.