2001 Toyota Tundra P0171

Now they are hearing an air leak by the Master Cylinder and Brake Booster but are not sure if the MC is the issue or the BB.

2001 toyota tundra p0171. Hi Larry my 2006 Tundra V6 is showing P0171 AND P0174 codes. Then it suddenly died and wouldnt restart. Ive read that cleaning the MAF may help vacuum leaks may also cause this code to be thrown.

At 70K miles about 2 years ago my highlander started running extremely rich and would just about run. The P0171 code on a Toyota Tundra will often be thrown if the fuel injection system is not operating properly. Luckily my friend had an OBD II codes that came up were P0171 P0174 system too lean bank 1 2 or something like that.

A few days ago I had my 2 rear catalytic converters removed and. In this article I am going to be discussing the 18 24 4 cylinder engines in the Toyota Corolla Camry Rav4 and Matrix along with the V6 35 liter engine used in the Camry Avalon Solara and Sienna van. Toyota P0171 Causes.

There arent usually any drivability issues associated with P0171. The technician was a nice guy and he explained to me that the service manual lists a number of things but based on his experience he would narrow it down to AF sensors. Good on you for adding to the.

I understand that is a bad O2 sensor on the drivers side fwd of the muffler. Only after all those can be eliminated do you look at the fuel-air sensors. Currently has 191000 on the OD.

- Fuel injection system does not operate properly. Jun 21 2011 Member. Most auto repair shops charge between 75 and 150 per hour.