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GMC B6 Recall 92V187: Vehicle Speed Control

NHTSA campaign 92V187, reported December 28, 1992, 6,656 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 92V187GENERAL MOTORS CORP.
Component
VEHICLE SPEED CONTROL
Problem
A MANUFACTURING CONDITION IN THE THROTTLE BODY INJECTOR (TBI) UNIT MIGHT OCCUR TO ALLOW THE THROTTLE CAM LEVER TO DISENGAGE FROM THE THROTTLE DRIVE SHAFT.
Risk
IF THE THROTTLE CAM LEVER DISENGAGES FROM THE THROTTLEDRIVE SHAFT, THE ENGINE COULD GO TO WIDE OPEN THROTTLE WITHOUT PRIOR WARNING.THIS LOSS OF VEHICLE ACCELERATOR CONTROL COULD RESULT IN A VEHICLE CRASH.
Remedy
REPLACE THE THROTTLE DRIVE COVER ASSEMBLY.
Notes
SYSTEM: FUEL SYSTEM; THROTTLE LINKAGE.VEHICLE DESCRIPTION: SCHOOL BUSES WITH 6.0 LITER ENGINES.

Affected vehicles

Chevrolet B6198919901991
Chevrolet B71993
GMC B6198919901991
GMC B71993