Q: have lean code hesitation and sluggish on acceleration on 2000 Toyota Echo

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falls flat on take off from a stop what could be wrong and what could be possible repair
(1) Answer
(1) Comments
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I have seen the air flow meter give problems in that car held onto the air filter housing with two screws. A scan tool looking at sensor data on snap acceleration would prove it to be good or bad.

Scan tool would want to be professional grade that shows live sensor data of grammes of air entering engine or you want to see load rise very quickly on snap acceleration.
thanks i will scan and see what it shows then i`ll let you know what i find with it thanks again on snap acell. was no change i replaced air flow and now car runs great thanks so much for the help