RE: [engine] idle hunting...

["Fry, Larry" <LEF@chem-tronics.com>]

lifters tap....rods knock.  Sounds like you will be rebuilding the lower end
soon. 
 I've been chasing the same idle problem since I bought my "87 16V two years
ago.  If you uncover the cause, let the list know!

on the same post; my in-car voltmeter reads one volt lower than my
multimeter says the batt/charging voltage really is (e.g. 12.5V vs. 13.5V).
Anyone got the reason/fix?

Larry  sandiego16V

-----Original Message-----
From: dan [mailto:danws69@earthlink.net]
Sent: Friday, October 19, 2001 8:18 AM
To: roc (E-mail)
Subject: [engine] idle hunting...


...are there any on-line tech procedures done for this subject yet? I've
heard some talk about an air/bypass valve? I recently had that funky 2-piece
hose crap out on me, and aside from the high idle, it wasn't doing this up &
down crap.

My current situation is:
-car starts fine
-when coming to a stop sign/light, rpms drop (alt light comes on briefly)
rpms rise to 2000, if I don't tap the gas, it'll drop way low and die.

NOW GET THIS:
If I have the a/c on, idle is PERFECT. Luckily I'm in Florida, but
occasionally we get nice weather...

I really HAVE to fix this because of the side effects of the idle problem:
-when it drops super-low my oil pressure drops too low and then I get a
scorching case of lifter-knock.
-alternator stops charging properly, it charges, but not at the level that
it started at (i.e. 10.5~11 VDC) - (yes, I've verified my gauge by sticking
my multi-meter on the battery terminals).



Sorry for the longer-than-usual post from me.

Dan
'81 Rabbit Sport Truck
'87 16v Scirocco
'00 Jetta
Tam-pa, FL
http://home.earthlink.net/~danws69/index.html


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