pumping the gas pedal prior to starting has no affect.
other than psychological perhaps.

On 8/26/2012 12:40 PM, neil n wrote:
> Since the PO has experienced some degree of success by "stepping on the
> accelerator", my thought was toward a failed charcoal filter purge valve.
> My reasoning being that if that valve has failed open and is allowing fuel
> vapours to pool in the intake, say when van parked while shopping, opening
> the throttle body valve would indeed lean out the mix and help the the
> engine to start.
>
> Not saying the temp II sensor or wiring isn't at fault. But. That charcoal
> filter valve is easy to check.
>
> Caveat: I am also neither a mechanic or engineer.   ;)
>
> Neil.
>
> On Sun, Aug 26, 2012 at 11:27 AM, Dave Mcneely <mcneely4@cox.net> wrote:
>
> I doubt that pumping the accelerator helped your vanagon to start, but
>> rather that something coincidental with the action made the difference.
>>
>> But what do I know?  I'm certainly no engineer or mechanic either.  mcneely
>>
>> ---- Skip <skiplaubach@COMCAST.NET> wrote:
>>
>
>>> I also thought that by stepping on the accelerator, that would inhibit
>> the amount of fuel being pushed into the fuel injectors, thereby reducing
>> the impact of "flooding".  This action (by me) actually helped in cases
>> where the van would not start when the engine was hot.  Though the engine
>> would turn over alot, if I depressed the accelerator that engine would
>> finally begin running.
>
> --
> Neil n
>
> 65 kb image Myford Ready For Assembly  http://tinyurl.com/64sx4rp
>
> '88 Slate Blue Westy to be named.
>
> '81 VanaJetta 2.0 "Jaco"  http://tubaneil.googlepages.com/
>
> Vanagon VAG Gas I4/VR Swap Google Group:
>
> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
>