Quote:
Originally Posted by RobertISaar
OP, do you have any way of tracking MAF voltage/frequency? if so, i'd take a look at what happens while engine braking to speed down compared to coasting in neutral, whichever indicates a lower airflow shoud net you better fuel economy. not all vehicles respond the same, so you'll really have to test on your own vehicle to be certain.
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Hi, I only have the stock MPG meter as fitted to the car..
In both scenarios (in gear Decel AND at Idle) the gauge sows "infinite MPG"..
However, in gear Decel means high revs, and fuel being sucked in to the cylinders at a rate higher than if I was actally driving .
Because the petrol injectors are connected to an emulator- the CAR thinks that there is no fuel entering the engine..whereas, we know its being drawn in along with the air via the intake
