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. 2015 Toyota Tundra DC SR5 57L Joined Jan 23. CEL OFF WITH P0171 174 CODES RPM. 965 LBM Bank 1.

Or maybe used your own OBD scanner to extract the car faults. I am getting a PO171 engine code. Notes from the service write up.

END OF SPECIAL NOTES. If there are no intake leaks the next step is to replace the air filter and clean the airflow meter. Discussion Starter 1 Mar 12 2012.

Fuel Trim System Lean Bank 1. STFT 08 LTFT 555 BANK 2. The exact vehicle in.

Open the hood and locate the mass air flow sensor. 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. Of course this code can also signify a bad O2 sensor in bank 1.

Small black thingy in the intake tube between the air filter box and the engine held in with 2 small screws. If it is a 34 or a 30 the six cyl will have a left bank and a right bank for each head of the engine and each bank should have its own o2 sensor before and after the cat especially if it is the system that has two cats one for each bank Hints the error code p0171 system to. Only after all those can be eliminated do you look at the fuel-air sensor s.