Safari Van M V6-262 4.3L VIN Z TBI (1990)
Idle Speed: Technical Service Bulletins
Fuel Control - Updated Controlled Idle Speed Chart
GMC NUMBER:
90-6C-49(B)
GROUP:
6C Engine Fuel
DATE:
July, 1990
CORPORATE
NUMBER:
036504
SUBJECT:
MANUAL UPDATE-FUEL CONTROL SECTION PAGE 4-43 (UPDATED CHART CONTROLLED IDLE SPEED)
MODELS:
ALL 1990 LIGHT DUTY TRUCKS W/CPC ENGINES
THIS BULLETIN CANCELS AND REPLACES GMC TRUCK SERVICE BULLETIN 90-6C-49 DATED MAY, 1990 TO CORRECT ELEVATION
SPECIFICATIONS FOR 4.3L AND VS ENGINES ALL COPIES OF 9G-6C-49(A) SHOULD BE DISCARDED.
This bulletin updates the chart shown on Page 4-43 in the Fuel Control Section of the 1990 Fuel
and Emissions Service Manual X9036. This information is for all 1990 light-duty trucks with gas engines.