Skylark V6-173 2.8L VIN X 2-bbl (1984)
1984
Buick 3.0L
E
.57V
ISC retracted - min auth.
Buick 3.8L
A
.46V
ISC retracted - min auth.
Buick 3.8L MFI
3
.40
Buick 4.1L
4
.57V
ISC retracted - min auth.
Buick 3.8L Turbo
9
.40
Pont. 1.8L
O,J
*
Pont. 2.5L
R
*
Chev. 2.0L
P
.525V
Ignition - throttle closed
Chev. 2.8L
X,Z
.30V
Throttle kicker retracted
Olds 5.0L
Y
.41V
500 rpm in drive
1985
Pont. 1.8L
O,J
*
Chev. 2.0L
P
*
Pont. 2.5L
R,U
*
Chev. 2.8L
X
.27V
Curb idle
Chev. 2.8L MFI
W
.55V
Curb idle or ign. "on" engine "off"
Buick 3.0L MFI
L
.50V
Buick 3.0L (3 speed)
E
.57V
ISC retracted - min auth.
Buick 3.0L (4 speed)
E
.60V
ISC retracted - min auth.
Buick 3.8L MFI
3
.40V
Curb idle or ign. "on" engine "off"
Buick 3.8L
A
.46V
ISC retracted - min auth.
Buick 3.8L Turbo
9
.40
Curb idle or ign. "on" engine "off"
Olds. 5.0L
Y
.41V
ISC retracted - min auth.
(no reset req'd if below .7v)
*
Non-adjustable
** +/- .1 - Carbureted Engines; +/- .05 - Fuel Injection Engines
