Funny gas tank and fuel "problem"

czechT698

Active member
 Prague
Hello everyone,

This might seem kind of strange, but I am definately not paranoid. The thing is, the car feels much faster and responsive when the fuel gauge drops under 1/2 a tank left. If the needle is just slightly above or generally above 1/2 the car feels underpowered and lacks the "push" it has when there is less then 1/2 of fuel in the tank. Seems strange, but there you go :o As sson as the gauge needle hits 1/2 tank left the car feels like it has 50 more HP. It is only noticable when engine is restarted. And yes, I use the same brand Shell 95Vpower all the time.
Anyone have an idea what this is?

Thanks :)
 
Weight? Fuel is heavy. Close to 3kg per gallon if you assume UK gallon (just over 2.5 kilos if US gallon). Also varies with blend, but 3kg x 1/2 tank = heavy.
 
whoah :o Ill do some reasearch and experimenting and will let you all know. Does the Z have one fuel pump or two? Any diagrams of the fuel system? :)
 
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