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Date:         Sun, 10 Mar 2013 15:13:44 -0700
Reply-To:     neil n <musomuso@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         neil n <musomuso@GMAIL.COM>
Subject:      Re: Throttle stop switch? Stumbles on resume throttle..
Comments: To: Robert Keezer <warmerwagen@yahoo.com>
In-Reply-To:  <1362950296.57448.YahooMailClassic@web121702.mail.ne1.yahoo.com>
Content-Type: text/plain; charset=ISO-8859-1

> When going down hill at road speeds, your foot is off the gas on steep hills and the injectors are off until. engine rpm drops to about 1200 rpm.

That's a good point; something I could learn from on my WBX

Don: if it helps, and I know this sounds obvious, but I think of the specified gap as the switching point. (I think Bentley refers to it as such) So, say, at .007 mm this is when the ECU is told what to do. Or in other words, foot *slightly* on gas, is where the switch point happens AFAIK.

Hopefully your version of Digifant has a switch that's easier to set than the WBX 2.1 That thing is kind of a joke (taking into account worn parts)

Neil.

On Sun, Mar 10, 2013 at 2:18 PM, Robert Keezer <warmerwagen@yahoo.com> wrote:

> Don, as you may know, the throttle switch , actually 2 switches, is called the wide-open throttle switch and the idle switch . > Wide -open tells the ECU the throttle is fully open and idle tells it that it's closed. > > When going down hill at road speeds, your foot is off the gas on steep hills and the injectors are off until. engine rpm drops to about 1200 rpm. > > That means that the engine is not running during this time > The pop may be from a leaky injector not fully closing and leaking gas . > > Just like the WBX engine, the throttle switches need to be checked for adjustment periodically. > > Should read zero Ohms at closed throttle, infinite ohms as the throttle opens, and zero Ohms again at full throttle. > > You should hear a click just as you open the throttle. You adjust by moving he switch forward or back on the plate after loosening the set screw. > > Robert > 1982 Westfalia > >

-- 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


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