Your check engine light just came on, and a quick scan reveals the toyota p0171 code What does the p0171 code mean on toyota Before you panic or start throwing.
Toyota 4Runner P0171 OBDII Trouble Code Diagnosis | Drivetrain Resource
While a simple cleaning of the maf sensor will resolve code p0171 on a toyota application in many, if not most instances.
I have a lean code on bank one
I have replaced fuel injectors, plenum gasket, maf, 02 sensor (upstream) As far as the op's question, p0171 in my experience is not usually a sensor issue but it's possible. Discover the real meaning of the toyota p0171 code, common symptoms, repair costs, and. Oftentimes, a p0171 means that your toyota is having trouble with a dirty or faulty mass airflow (maf) sensor, or a vacuum leak.
Its been about 50 miles now and i've been clear, so anybody that gets this code, start with doing these 2 things first.
