2000 Toyota Tundra Trouble Code P0171

Discussion Starter 1 Mar 12 2012.

2000 toyota tundra trouble code p0171. Oxygen Sensor The P0171 codes is thrown when the oxygen sensors do not register enough oxygen in the exhaust. Toyota Certified Master Diagnostic Technician ASE Master Technician with L1 Advanced Engine. Vacuum Leaks With the Toyota Tundra one of the most common cause for the P0171 code to show is a vacuum leak.

Heres a great YouTube video on how to find a vacuum leak. Its not the most complicated OBDII trouble code to diagnose. Lack of power from the engine.

If it is a 4 cylinder engine there is only one bank. Or maybe used your own OBD scanner to extract the car faults. 2000 Toyota Tundra 34 P0171.

Truck ran fine with the code. Toyota Tundra P0172. When these adjustments become too large code P0171 is triggered.

Dirty or faulty mass air flow sensor. Joined Nov 18 2011 1 Posts. Oftentimes this trouble code is accompanied by an P0174 This is one of the most common trouble codes in V-6 and larger engines.

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. A common trouble code with the Toyota Tundra is P0172. When the oxygen sensor is bad it.