LOL - the brake cleaner I'm using is the
old-fashioned "kills everything and more" stuff from
CRC. I once tried the non-chlorinated brake cleaner
and discovered that it cleans nothing.
I checked all the rubber intake boots closely and
don't see anything. I've verified that the O2
sensor and DPR are functioning - I've set specs on
this car so many times that I can almost do it in my
sleep. Maybe that's the problem - I've been working
in my sleep again...
This car was parked for 3 years so anything is
possible - haven't changed the fuel filter yet but
will make this my next priority. When I got the car
started before I changed the T-belt, it revved OK
(or so I vaguely remember) so I didn't think that
was a problem. However in retrospect, I have the
damn filter so I mind as well "do it". I wonder if
I should use my propane torch to "loosen" the
fittings <G>. I haven't doused the fuel distributor
plate with carb cleaner - it doesn't look nearly as
bad as the one on my racecar BUT again, anything is
possible. Then I'll start playing with the engine
electronics.
When I start the car cold, it fires right up and
seems to rev freely but then it begins to stumble at
idle and almost die. Once it gets fully warm, it
idles fine but doesn't want to rev off idle.
Thanks Ricky & Holland for your advice - keep your
fingers crossed that I figure it out before going to
the nuthouse.
Matthew
----- Original Message ----
From: Rick <[email protected]>
To: Matthew Yip <[email protected]>;
[email protected]
Sent: Monday, December 25, 2006 11:55:36 PM
Subject: Re: [a2-16v-list] Mis-fire from idle...
Dont be like me once, and used non caustic
(non-flammable) brake cleaner!
=)
I'm sure you've checked the fuel dizzy boot,
underneath, for cracks in the
accordian section?
Also sounds like the ign. isnt adjusting on throttle
tip-in.. have you
verified ignition timing functionality on rev
increase? Fuel filter?
Sticky fuel dizzy plate?
Ricky in Virginia
----- Original Message -----
From: "Matthew Yip" <[email protected]>
To: <[email protected]>
Sent: Monday, December 25, 2006 11:41 PM
Subject: [a2-16v-list] Mis-fire from idle...
I'm now officially frustrated and confused - I've
been working on getting
an '89 GTi 16v back in fighting shape for use as
my commuter/autocrosser
since late August. Yeah, I'm slow - sue me -
between club racing, Grand
Am Cup and Enduro races, I've been a wee-bit busy
and working in a hot
and steamy (or now ice-cold) shop wasn't extremely
enticing.
In any case, the symptoms are that the car
stumbles significantly off
idle. However, once the rpms hit about 2000, it
revs freely "like it
should". The car has fresh injector seals, plugs,
cap & rotor as well as
a new timing belt. I've checked the cam and
ignition timing and it's
spot-on. I've also done the old "spray all the
possible vacuum leak areas
with brake clean" to check for leaks to no avail.
Any thoughts or
suggestions? Coolant temp sensor?
I had the Rabbit Truckette parked next to the GTi
over the summer while I
had the injection pump rebuilt - maybe it hexed
the GTi so that I wouldn't
sell the Truckette in Spring...
I'd keep banging my head against the wall but the
wall is starting to
crumble...
Thanks all!!!!
Matthew
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