"Holding down gas . . . seemed to make it worse." Slower cranking? Less
attempt to "catch"? Normally, pushing the accelerator pedal down opens the
throttle, reducing load on the starter, since you've removed an orifice that
restricts air intake. However, if your engine is for some reason getting a
too-lean mixture [like a vacuum leak somewhere], this could make it less
likely to ignite and attempt to run. If it slowed down when you openend the
throttle, I'm at a loss for scenarios that work. The only thing that comes
to mind is that a restriction on the exhaust side (catalytic converter?)
might make things worse with more airflow reaching it. What's your fuel
mileage like? Too rich can kill converters, and will show up in reduced
mileage.
I can't see how a fuel pump could account for the weak turning over,
unless it is shorted and using the power that should go to the starter, or
has drained the battery while the car sat a few minutes. A restricted
exhaust could sure do it, though... Hope this gets someone else's thoughts
going so we can give you some useful advice!
Ron
----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Tuesday, August 26, 2003 12:58 PM
Subject: Re: [a2-16v-list] Jetronic hardstart/rough idle/bucking
> Well, I had another symptom occur today. I drove to work, made my daily
stop at 7-11 on the way(about 2 blocks from work). When I came back out to
the car, it had a REAL hard time turning over, almost like the battery was
going dead. It took 4 or 5 attempts to get it to start. Holding the gas
down while making these attempts seemed to make it worse. Thoughts?
>
> -Dave
> '88 Jetta GLI 16V(mine)
> '88 Jetta GLI 16V(hers)
> '81 Scirocco S
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