EXPERTEC TSB (90-6C-49B)

Publication date: 1990-07-12
Reference number: 90-6C-49B

EXPERTEC TSB

TECHNICAL SERVICE BULLETIN

Reference Number(s): 90-6C-49B, Date of Issue: 07/12/90
Superceded Bulletin(s): 90-6C-49(A), Date of Issue: MAY, 1990

FUEL CONTROL SEC. PAGE 4-43 - CONTROLLED IDLE SPEED CHART

Model(s): All 1990 GMC Light Duty Trucks W/CPC Engines

Bulletin No.: GMC 90-6C-49B

Date: 07/12/1990

NOTE: THIS BULLETIN CANCELS AND REPLACES GMC TRUCK SERVICE BULLETIN 90-6C-49(A) DATED MAY, 1990 TO CORRECT ELEVATION SPECIFICATIONS FOR 4.3L AND V8 ENGINES ALL COPIES OF 90-6C-49(A) SHOULD BE DISCARDED.

SERVICE INFORMATION

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.

Fig 1: 1990 CONTROLLED IDLE SPEED TABLE