I purchased brand new Alto non-CNG version and then converted it on CNG from market after driving it for about 8000KM on petrol. Landi ranzo kit installed with 60L cylinder.
I am facing some issues. If i drive car without AC, it pick up is "OK" but if i turn on AC or i drive with some passengers, car runs like turtle. It has sever pick up issues. Timing advanced at 20 to accommodate the pick up problem on CNG but no gain till now. Car hardly touches 100 if i drive when AC is turned off.
I tuned my car from 3S dealer, but no benefits were observed, though he adjusted tappets. Spark plugs are ok, after market plug wires are installed but performance is same as i have on stock cables.
Please tell me what to do. I got large landi ranzo kit installed. The difference btw FF CNG car and after market CNG fitted car is installation of advancer and some hose pipes from kit to radiator in FF alto.
My car is giving an average of 20KM/KG gas if i drive it on 60-80KM per hour speed. To exceed this speed i have to press accelerator more hardly which disturbs mileage. Some one told me that FF CNG alto gives 200-220 on 55L cylinder.
How to resolve pick up issues+mileage. Pick up on petrol is ok.
Please tell me why i am getting such bad performance.
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