I have Accent GVS Petrol Jan 2004 model. A year after purchase, LPG kit has been fitted. Since then, I always got mileage of 10 KM/Ltr on both Petrol & Gas in Pune City. On highways it sometimes turn upto 11+ KM/Ltr with AC on.
In last two months, I obserevd that the mileage has suddenly reduced to 7 KM/Ltr (in City & Highways). The only changes that happen to my car in last couple of months are:
1. Change of HeadGasKit.
2. Installed new Silencer as old one was damaged.
3. New spark Plugs
I am doing regular servicing of teh car at around 4-5K KMS or at 3-4 month interval. Trying to find out the reason but not yet successful.
Car is performing very well/smooth & I or mechanic won't see any issue with engine operation.
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