2000 Chevy Prism/Corolla 0171 Lean Code
Hey guys. The engines in these cars seams to give people fits with the 0171 Lean Code. I have changed the MAF sensor and keep it sprayed, changed out the Bank 1 Oxygen Sensor, changed out the PCV Valve and sprayed all thru the vaccum lines and intake butterfly. In helps for a while and then comes right back to the 0171 code within a day-1 week.
When you start it, it is hard starting and then when it does start the idle stays high for longer than usual. The engine shakes and then catched and then the high idle, sometimes it stalls the first time. Some times the gas peddle has a delay and seams too lose power. The gas mileage has gone down. It`s not as bad at high speed. I am thinking the problem is sending the engine into default model and the oxygen sensor can`t do it`s job properly.
It is on it`s second set of plugs, but that was before the new oxygen sensor or new MAF sensor. Maybe new plugs again? They are expensive and really hard to change in this car as they are Irridum and buried under a coil-dumb design.
I`d kinda like to solve this as we are selling it.
Any help would much appreciated!! Thanks.
Life Memeber NRA
Life Memeber NAHC