How do you fix a Toyota Corolla with code P0171?

Code is common in MAF equipped 8th gen Corollas 00-02. Just take out the MAF, get a cotton swap and some rubbing alcohol and clean up all the black gummy stuff off the wire sensor. It is a 2 minute...

Trouble code P0171 means: Fuel System Too Lean - Bank 1

You don't. get someone else to do it. I just went through a HUGE hassel working on mine. In a corolla, it's in a deep place in the engine and you have to take out the fan and other engine parts to...

you have to make sure there is no short and check for voltage amount at the strips of the window to make sure defroster is working

p0101 maf or vaf circuit range performance problem