2000 Toyota Tundra 4.7 Engine Code P0171
2000 Toyota Tundra 34 P0171.
2000 toyota tundra 4.7 engine code p0171. Vacuum Leaks With the Toyota Tundra one of the most common cause for the P0171 code to show is a vacuum leak. Oftentimes a P0171 means that your Toyota is having trouble with a dirty or faulty mass airflow MAF sensor or a vacuum leak downstream of the MAF sensor perhaps in the PCV line or in the valve itself. 2007 Tundra 57 4x4 115000 miles.
Just read through your forum and sympathize with your P0171. I have a 2001 Toyota tundra 4wd SR5 8 cyl 47L gas FI Truck with 11700 miles. The Toyota dealership said it was code P0171 -- Fuel Too Lean.
Normally this is a MAF issue but anytime you have a vacuum leak anywhere on the engine the intake gets unmeasured air the measurement is done by the MAF. My Check Engine Light Came on while driving on the highway. 2001 toyota tundra 47l has engine code p0308 checked spark plug checked coil tested injector with noid light - Toyota 2004 Tundra question.
Heres a great YouTube video on how to find a vacuum leak. 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. Reconnect any disconnected vacuum lines and replace any damaged vacuum lines that are leaking then use FIXD to clear check engine light code P0171.
So your cars CEL always check Engine Light is on and also you had the codes scanned at a local parts shop. Remove the mass air flow sensor and clean the sensor using mass air flow cleaner or contact. Most auto repair shops charge between 75 and 150 per hour.
Of course this code can also signify a bad O2 sensor in bank 1. The cost of diagnosing the P0172 TOYOTA code is 10 hour of labor. The technician was a nice guy and he explained to me that the service manual lists a number of things but.