Toyota Celica P Codes (Powertrain) P0100 - P0199

Hi, I Bought This Car Recently And I Have Struggled With Code P0171 Illuminating Sometimes Associated With Bad Fumes Around The Car On Idle...

I Have A P0171 (system Running Lean) Error Code, Started Once A Month Now Comes Up Almost Every Day (but I Also Drive More Often Now). I...

My Car Occasionally Throws A P0171 Code. I Have An Elm327 Obd-ii Dongle That I Use With The Torque Pro App For Android To Monitor...

I Have Two Dtc's P0172 And P0420. I Replaced The Mass Air Flow Sensor And Upstream Oxygen Sensor. Do You Think These Codes Are Relevant To...