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post #10 of (permalink) Old 21st March 2007
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Originally Posted by madnoel10 View Post
Hi Schmooster - how exactly can the ECU or common rail measure the amount of fuel passing throught it - or am I missing something here.
I'm guessing here but given that the fuel injection system must have precise control over the fuel / air mix then it must 'know' how much fuel is being injected.

I suppose that rather than measuring this the injectors are precisely calibrated so that the ECU can 'know' how much fuel is being injected on every pulse.

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