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High fuel usage

Question : I AM driving a 2001 Proton Saga 1.3 and am having a problem with high fuel consumption of 7.4km/litre.

The car is used weekly for supermarket trips of 10km each time.

What are the faults besides the carburetor ?

There is no emission of white exhaust gas and there are no visible fuel leakage marks on the floor or smell detected.

Answer : If there are no leaks, then you need to do a full tune up which would include :

1. Strip down and reset the carburetor to spec. Be particularly careful about setting the float heights and adjusting the automatic choke settings. wrong settings will incur heavy fuel consumption.

2. Check the valve timing and ignition settings. this is another source of heavy fuel consumption.

3. Check your brakes if they are dragging, particularly the hand brake adjustment.

Lastly, because your driving time is so short, it is likely that you are driving most of the way to and from the supermarket on your coke, as the engine would hardly have warmed up, also contributing to the heavy fuel consumption.

 
   
 

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