Beretta L4-121 2.0L (1987)
Throttle Position Sensor: Technical Service Bulletins
TPS - Revised Acceptible Voltage Range Specifications
Number:
9O-l98-6E
Section:
6E
Date:
March 1990
Corporate Bulletin:
016513
Subject:
DRIVEABILITY AND EMISSION REVISED TPS SPECIFICATIONS
Model and Year:
1987-89 J, L CAR With 2.0L (VIN CODE 1) ENGINE 1990 J, L CAR WITH 2.2L (VIN CODE G) ENGINE
TO:
ALL CHEVROLET DEALERS
This bulletin serves to update the acceptable TPS Voltage Range currently being used in Section 6E2 "Driveability And Emissions" of the 1987-1989
2.OL (VIN 1) and 1990 2.2L (VIN G) "J" and "L" Carline Service Manuals. Presently, the specification is .45V to 1.25V.
The now specification has now been revised to .33V to 1.33V. A TPS whose voltage falls outside this new specification at closed throttle should, after
checking connections, be replaced.
