2000 Toyota Tundra Code P0171

Driving a car with the code P0171 can cause more damage to the engine over time as when the engine runs lean the combustion temperature is higher.

2000 toyota tundra 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. They had in hand fuel fouled spark plugs and no explanation as to why. CEL OFF WITH P0171 174 CODES RPM.

2 trip detection logic Trouble Area. If it is a 34 or a 30 the six cyl will have a left bank and a right bank for each head of the engine and each bank should have its own o2 sensor before and after the cat especially if it is the system that has two cats one for each bank Hints the error code p0171 system to. If the problem persists the front oxygen O2 sensor may need to be replaced.

Discussion Starter 1 Mar 12 2012. I always just use CRC Mass Airflow sensor cleaner just make sure you dont touch the wires. Jump to Latest Follow 1 - 3 of 3 Posts.

So your cars CEL always check Engine Light is on and also you had the codes scanned at a local parts shop. Tech prelaced ECU and AF sensor. System too lean Bank 1.

Looking at my short and long term fuel trim percentages they correlate away from a vacuum leak. Only after all those can be eliminated do you look at the fuel-air sensor s. Of course this code can also signify a bad O2 sensor in bank 1.

Gas leakage on exhaust system. After the engine and the catalyst are warmed up and while the. 2000 Toyota Tundra 34 P0171.