[Vwdiesel] IP on NA Slow Deceleration Response
Chuck Carnohan
Chuck.Carnohan at itd.idaho.gov
Wed Jun 15 12:03:06 EDT 2005
Many thanks to all you fine gentlemen responding to this question! I
will investigate further with the "tools" you provided in mind! My
other little NA's drop right back to idle and I do have one that idles
too high-
Because I have it set too high- I need to change the nozzles methinks.
So this strange lasting rev had me baffled. Never experienced it
before!
Hail to the Pump Gang! Those intricate little dudes are really
fascinating.
Val, I have been using Power Service w/2-cycle oil. I just picked up
some LUCAS fuel conditioner to try. Have any of you had good/bad
experience with Lucas products?
Chuck
-----Original Message-----
From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com]
On Behalf Of H . Hagar.
Sent: Wednesday, June 15, 2005 7:34 AM
To: vwdiesel at vwfans.com
Subject: [Vwdiesel] IP on NA Slow Deceleration Response
Chuck Carnohan and ALL . :
To me Hagar that is a perfectly happy normally functioning Pump (IP)
IMHO.
All mine do the same thing if idle is set a tad high. So before you
do anything else
turn the idle down to the " Shaky Jake " point and then in very very
small moves to shaking stops..
(Hillbilly Tuning)
Remember there is only one fueling control COLLAR. . It must move to
open bleedholes
instantly. Internal Governor action is the problem.
>From 0 to 850 RPM the governor " RULES " from about 850 to 5400
RPM
your foot " RULES ". from 5400 to XXXX the governor " RULES
" .
The way this was done by BOSCH in this type Pump ? ----by " BIAS "
springs.
Remember the Governor is a Min - Max RPM -- NOT a variable speed
governor.
If your engine braking is non existent --most likely the Idle RPM is
set a tad HIGH.
Hagar.
PS : All mine does exactly that. ---- 1.5 L NA and 1.6 L NA
and Turbo with
the LDA. ---------- It is a design characteristic ----i.e. normal
response.
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