mr kilmer

i bring to shop change to pcv valve (OEM) 2014 camry i4 160090 miles. 150$ labor cause burn alot of oil 800ml per 1000 miles now

after changed n after 50 miles around engine light came on po171 . occur at low)(idle speed 27% long time. all the time. and at

stop and go speed city speed. since is oem i dont y wat cause? didnt do the job correctly?

not in high speed 75mph long term fuel was 5% . is ok to leave like that will it hurt the engine？ any safety concern? maybe stall

at take off? in stop sigh i dont want to put too much $into it just replace catalytic 700$ total in january. 156000 miles ago. too

slow at take off. is delivery car.

i use wd40 spray around engine  i.ntake manifold       rmp didnt change.   no loose hose.

clean mafs every year summer time . throtle body clean 100k miles. 

 can i leave like that.