2000 Toyota Tundra Trouble Code P0171

P0171 TOYOTA code tech notes If the P0171 is combined with the P0174 code its very likely that the problem is caused by an intake leak.

2000 toyota tundra trouble code p0171. Dirty or faulty mass air flow sensor. When the oxygen sensor is bad it. Weak fuel pump.

If the problem persists the. 2000 Toyota Tundra TRD 47. It was almost guaranteed that it was the O2 sensor.

If the problem persists the front oxygen O2 sensor may need to. 2000 Toyota Tundra 34 P0171. My 2000 has the same code for the last 6 months.

Fuel pump rarely showed up. System Too Lean Bank 1. I connected my scan tool and observed the fuel control and feedback PIDs.

Heres a great YouTube video on how to find a vacuum leak. Lack of power from the engine. If there are no intake leaks the next step is to replace the air filter and clean the airflow meter.

After that I just followed the list. Toyota Tundra P0172. I am getting a PO171 engine code.