Ford Falcon 1993: High fuel consumption

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My 1993 EB Falcon dual-fuel auto station wagon is using too much fuel, around 20 L/ 100 km, whether on petrol or LPG. I have had it since near new; it's in very good condition and has been serviced every 5000 km. I have not worried about it until now, however, with the price of petrol and gas starting to hit the roof I thought I had better ask someone. What do you think could be wrong?

Answered by CarsGuide

19 May 2011

Graham Smith

Because it's too much on either fuel the problem is not related to one fuel system or the other. I would be having the oxygen sensor checked, it's the one that determines the mixture going into the engine and it would seem the engine is running too rich.

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