Hello!
Our 05 vibe threw a code, no idea which one because mechanic just said it was a lean condition. I searched on here and have replaced the intake manifold gasket, throttle body gasket and cleaned throttle body, cleaned the MAF sensor, and for good measure replaced the PCV valve.
The car idles better and seems to have more power when I put the pedal to the floor.
The problem still exists where the car gets up to around 40mph and if you're not actively accelerating, just maintaining speed, it begins to sputter and kick. If you press the gas pedal down it pushes through and accelerates. I have also noticed this at 50mph and 60mph.
So originally when this all started, we put a bottle of fuel system cleaner in and the problem went away completely until the next tank of gas.
My thought is that I need to replace the fuel injectors or fuel pump at this point?
Please offer your 2 cents and help me figure this out. Thanks!