2001 Toyota Tundra P0171

Ive read that cleaning the MAF may help vacuum leaks may also cause this code to be thrown.

2001 toyota tundra p0171. There arent usually any drivability issues associated with P0172. While a simple cleaning of the MAF sensor will resolve code P0171 on a Toyota application in many if not most instances of code P0171 on the listed engines other remedies is often much more time consuming difficult and costly. This is the first time I experienced bad Toyota.

California cars use an airfuel sensor pre-cat and an O2 sensor post cat. I have three Toyota right now. 2015 Toyota Tundra DC SR5 57L.

The Jack S. Toyota dealer normal cleaned my MAF sensor and it could good for one or two years. Will post results when completed.

Mallege Mattieo96 Luv my yota and 9 others like this. The mechanic replaced the MAF but heck engine light replicated so they scrapped that idea. There are two sensors in the vehicle Bank 1 Bank 2 Sensors.

Weak fuel pump. My truck recently had a supercharger installed if that helps any. Most auto repair shops charge between 75 and 150 per hour.

For most people the first sign that anything is wrong at all is the service engine soon light coming on. - The amount of mixture ratio compensation is too small. Fortunately I was in front of an independent shop and they pushed it into the garage and determined that the O2 Sensors were bad replaced all 3.