Richard Blaine wrote:
> "Andy" <blueflame1965@hotmail.com> wrote in message
> news:09OdndWeBLxH2MranZ2dnUVZ8uqdnZ2d@pipex.net...
>> Can you tell me what "Drive by Wire" is please, on new honda accord
>> 2.2i-CTDi, thanks.
>>
>> Haven't heard of that, cheers.
>>
>> AE
>
> Control of something by electrical impulse over a wire rather tugging on a
> cable-- like in the old days there was one from your gas pedal to the
> butterfly in the carburetor that opened it wider when you stomped down. When
> you tromp on the gas pedal these days, it sends a signal to the fuel
> injector and fuel pump to step up the flow.

In most cars, there is still a cable that attaches to the butterfly in
the throttle body. Injector operation is controlled by the ECU based on
the airflow measured through the throttle body or manifold, and assorted
other sensors' input, rather than direct input from the pedal.