2000 Toyota Tundra Trouble Code P0171

This code number references a number that is given to you when you plug your car into a OBDII scanner.

2000 toyota tundra trouble code p0171. Discussion Starter 2 Jun 3 2011. Joined Nov 18 2011 1 Posts. Clogged or dirty fuel injectors.

If it is a 4 cylinder engine there is only one bank. System Too Lean Bank 1. Which is probably just an AF sensor.

Oxygen Sensor The P0171 codes is thrown when the oxygen sensors do not register enough oxygen in the exhaust. So your cars CEL always check Engine Light is on and also you had the codes scanned at a local parts shop. Its not the most complicated OBDII trouble code to diagnose.

Check Engine Light is on. Now the truck has been running poorly. After that I just followed the list.

80mph on interstate just fine. Heres a great YouTube video on how to find a vacuum leak. Most often when we see the P0171 Lean code it is due to a dirtymalfunctioning MAF sensor.

2000 Toyota Tacoma SR5. When these adjustments become too large code P0171 is triggered. Fuel System Rich Bank 1.