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Thread: Solution for Poor Mileage on Petrol ? - Corolla Se Saloon 03 Auto

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    Default Solution for Poor Mileage on Petrol ? - Corolla Se Saloon 03 Auto

    Recently did some work on my Corolla Se Saloon Auto 03 Model. Replaced suspension, foundations, axle and some other stuff. Got the engine bay cleaned too and the mechanic serviced the throttle body as well.


    Previously the car used to do around 110 KM in 1000 Rs which I thought was low but now the car is giving me alarmingly low mileage.
    It is now giving me around 60 KM in 1000Rs.
    Yesterday i topped up fuel for 1700 and the reserve light was on after only 35 KM. The car is driven on petrol only.


    Engine Oil, Air Filter, Oil Filter etc are always changed on 4000 KMs. Spark plugs were also checked they are fine.

    What could be the problem and what is the solution ?


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    Get the injectors serviced as well.
    ‘Whosoever chooses to follow guidance, follows it for his own good; whosoever goes astray, goes astray to his own loss.’ (al-Isra’ 17: 15)

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    Is the problem related to injectors only considering it occurred recently after the work ?
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    Do you think your Fuel level Gauge is showing correct level?
    we should be proud of safe driving.

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    Yes it is
    I know this for sure
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    Change the air filter with original one, also check the engine mapping with computer and as throttle body was serviced so go back and tell the mechanic, may be he has done some maladjustment.
    we should be proud of safe driving.

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    Air filter was changed recently.

    Yup will be seeing the mechanic. Told him twice already and the mileage didnt improve.

    I was wondering what else could go wrong
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    Took my car to the workshop and the problem was diagnosed.

    There was a pin(dont know the exact name) at the tip of throttle body which was broken. They had spares from which the pin was taken out and replaced. Replaced plugs and air filter along with servicing the throttle body.

    It is already showing signs of improvement. Havent checked it completely though. Will update
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