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Thread: Car emitting Black smoke on Petrol continously

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    Question Car emitting Black smoke on Petrol continously

    Dear Experts,

    I'm facing the severe black smoke emission issue with my Toyota corolla Se saloon(3ZZ-FE). In fact i have refueled once from an unknown petrol station after that car start missing. However i some how manage to completely use the fuel tank till end. I have been using Hi Octane but still issue persist. Today have check with mechanic the fuel tank, which is very much clean, also injectors has been cleaned(where clogged partially using 12V current method), same with spark plugs which are full with black deposit same like in silencer. Still facing idling issue and smoke.
    It will be really helpful if some one can help to resolve the above issue as car is running perfectly fine on CNG.

    Jazakallah
    WhEn ThInGs Go WrOnG, DoN'T Go WiTh ThEm.

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    petrol ziada consume ker rahi hai car.... isi lie black dhuan aur spark plug pe carbon deposit hua para hai ....ager afford ker sakte ho to toyota 3d dealer se tunning kerwa lo.... aur agr air fuel mixture kisi ne hila dia hai to wo set krwa lo magr air fuel ratio scanning k zariye hi set hota ha aiween koi mechanic na chair de it will make condition more worse ... members b suggestion de denge ap ko

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    O2 sensor is contaminated,get it replaced.
    Never loose hope in life,every step gives u something.

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    Quote Originally Posted by argtr65 View Post
    O2 sensor is contaminated,get it replaced.
    This model donot have O2 sensor i guess.
    WhEn ThInGs Go WrOnG, DoN'T Go WiTh ThEm.

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    Anyhow issue resolved, checked with Toyota Rawal Motors, air fuel mixture setting was out, the guy just sett it again and smoke gone! also MAP, TPS also serviced.
    Idling issue on warm is due to one of short of coil current. Now everything stable.

    Thanks for input.
    WhEn ThInGs Go WrOnG, DoN'T Go WiTh ThEm.

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    Faulty MAP sensor... replace it

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    oh just read ur last comment

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