Engine light

[Tintin2]

99 toyota yaris 1.0 Change air flow meteor didn't work lambda sensor made car run rougher What is happen is car IDE low engine light on sluggish in morning has to have nearly full tank petrol . When I changed lambda sensor the car would not rev over 2000 when heat up it wouldn't rev over 4000 then cut out when going take off . There's sucking sound in engine bay when ide to low any help

[CTScott]

Did you read the code to see why the light was on?

[Tintin2]

Lean fuel and miss fire

[CTScott]

Lean fuel and miss fire

OK. With that and your hiss, it sounds like you have a vacuum leak. Check all of the vacuum hoses and the PCV hose for a leak.

[Tintin2]

I check all hose no leaks when I squeeze the pipe to black canister it stop the sound the suction pipe when I take of opposite pipe I cannt feel the suction through the canister is that ok . is there any way I check fan in car can I turn on it by
put power to it see if works