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>From: Sean Bartnik <sbart7kb@www.mwc.edu>
>Melissa & Jim wrote:
>>
> hearing bubbling from the gas tank, then pump the gas pedal a few
>> times to give the injectors a chance to clear any air out of them.
>>
>> Jim
>
>What does pumping the gas pedal have to do with the injectors?
>
>Pumping the gas pedal only opens and closes the throttle valve, which
>lets air into the intake air system.
On 70-73 FI T3s the throttle switch has extra contacts which cause the
computer to pulse extra fuel on each contact closure. On these cars if you
just turn the key on (don't start) and then go to the engine and move the
throttle, you can hear the injectors do multiple pulses with each depression
of the throttle. If there is air in the lines/injectors, this will help
clear it out.
68-9 cars do as you say, and there is no point in working the throttle on these.
Jim
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Melissa Kepner Jim Adney
jadney@vwtype3.org jadney@vwtype3.org
Laura Kepner-Adney
Madison, Wisconsin
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