2000 Toyota Tundra 4.7 Engine Code P0171

I have a 2001 Toyota tundra 4wd SR5 8 cyl 47L gas FI Truck with 11700 miles.

2000 toyota tundra 4.7 engine 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. OBD II fault code P0171 is a generic code that is defined as System too lean bank 1 or sometimes as Fuel trim FT system too lean bank 1and is set when the PCM Powertrain Control Module detects a lean airfuel mixture on Bank 1 of a V. Heres a great YouTube video on how to find a vacuum leak.

Vacuum Leaks With the Toyota Tundra one of the most common cause for the P0171 code to show is a vacuum leak. Therefore this guide will briefly discuss the nature and causes of code P0171 as it relates to V-type Toyota engines. 2007 Tundra 57 4x4 115000 miles.

Just read through your forum and sympathize with your P0171. Most auto repair shops charge between 75 and 150 per hour. Check engine light came on.

My 2000 has the same code. Oxygen Sensor The P0171 codes is thrown when the oxygen sensors do not register enough oxygen in the exhaust. Toyota service hooked up computer charged me 8500 and found code for failed bank 2 sensor.

If check engine light code P0171 is triggered again check the rest of the vacuum lines for leaks and continue to the rest of the diagnostic process. Remove the mass air flow sensor and clean the sensor using mass air flow cleaner or contact. Or maybe used your own OBD scanner to extract the car faults.

Tundra 2000 47 check engine P0125 code. I connected my scan tool and observed the fuel control and feedback PIDs. I took apart the xdi intake I have today and did a good cleaning cleaned the throttle body up carefully.