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Replaced my catalytic converter....

Posted: Mon Jul 25, 2016 10:10 am
by Odd
As above.....

Normally I get about 380klm to a tank of fuel.....just got 440klm after replacing the cat
Am I dreaming?

???

Re: Replaced my catalytic converter....

Posted: Mon Jul 25, 2016 10:28 am
by hks_kansei
If the old cat was clogged the engine would have not run as efficiently, usually with less power meaning you'd use more throttle etc to get to speed and stay there.

So it may help a bit, but if imagine a lot of those extra km are a one off.
Measuring fuel economy isn't am exact science, running the tank a single litre lower than normal could buy 10-20km