Astro Van M V6-262 4.3L VIN W CPI (1992)
Accelerator Controls: Technical Service Bulletins
Fuel - Pedal Position Lower After Using Cruise Control
Number:
92-293-6C
Section:
6C
Date:
OCT. 1992
Corporate Bulletin No.:
266106
ASE No.:
A1, A8
Subject:
ACCELERATOR PEDAL POSITION IS LOWER AFTER USING CRUISE/MORE EFFORT NEEDED
Model and Year:
1991-92 S/T TRUCKS AND WL, G VANS
Owners of some 1991 and 1992 S/T and M/L vehicles equipped with 4.3L engines (RPO LB4) or 1991 and 1992 G-vans equipped with 4.3L, 5.0L and
5.7L engines (RPO LB4, L03 and L05) may comment that after using cruise control the accelerator pedal position at idle is lower. Customers may also
comment that more effort is needed to use the accelerator pedal. Floor contact by the pedal may also be encountered prior to wide open throttle reducing
the performance capability of the vehicle.
The above conditions may be the result of the accelerator cable slipping out of the pulley channel on the throttle body (Figure 1). The pulley acts as a
cam and is located on the driver's side of the TBI unit. When the cable slips off the pulley, the effective radius of the cam is reduced and more effort is
required to depress the pedal. Also the pedal position at idle is lowered.
The accelerator cable may slip out of the pulley channel when in cruise control and under the following conditions.
-The accelerator cable is kinked, curled, or bent.
-A build up of foreign material occurs in the back side of the cable wiper-cap where the cable enters the cable jacket. The foreign material prevents the
