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I have maruti Zen LX Dec.2004 model. I would like to know how much less millage I will get if the car a/c is put on the different cooling modes of a/c.i.e. bet high, midium & low cool positions.
By Sharma 05 May 2009
Expert`s comment:

Hi,With AC on mileage reduces by about 3KM perliter.The main thing with reduces mileage is the extra power utilised in compressor. It wont vary much with different speeds.

Answer by Shiva Shankar 05 May 2009

Mr. Shankar,
The query was about fuel consumption at different cooling settings and not speed (correct me if I am wrong). I also want to know whether the cooling settings have any effect on the fuel consumption and engine efficency.Eagerly awaiting your expert comments.

Answer by Robin Pal Choudhury 05 May 2009
Expert`s comment:

The mileage wont be much affected much with variation in speed and cooling settings. Though its effect on engine load cannot be ruled out, its effect will be negligible.Hence we can consider overall effect onmileage with AC than at different cooling positions.

Answer by Shiva Shankar 05 May 2009

Co. manual says you get best millage on low cool position

Answer by Sharma 05 May 2009
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