I have the same 4Runner, and I'm currently getting P0171 & P0174....checked Vacuum hoses for leaks...all good. All O2 sensor were replaced 3000 miles ago, MAF & TB are fine....The vehicle intermediately bogged on upon acceleration.....Saw A video on this saying it could possibly be a clogged...
Clogged Cats
Hello Everybody,
I'm new to T4R.ORG and I believe I have a clogged Catalytic Converter on Bank 1...I was diving down the road and as I accelerated, the vehicle bogged out a bit...I took temp reading before and after the cat (On Both Sides) and there was no difference in the...