O2 sensor? Have you checked the DPR current? Do the symptoms change
as the engine warms up?
Check the idle micro switch on the throttle body. It should open as
soon as you crack the throttle slightly.
Those are the first things that come to mind. Lemme know how it goes...
--Holland
[email protected]
On Dec 25, 2006, at 8:41 PM, Matthew Yip wrote:
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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