NHTSA Campaign Id 92V187000; Date: Dec. 28, 1992
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.
1989 Chevrolet B6; 1990 Chevrolet B6; 1991 Chevrolet B6; 1993 Chevrolet B7; 1989 GMC B6; 1990 GMC B6; 1991 GMC B6; 1993 GMC B7
Component: Vehicle Speed Control
Manufactured by: General Motors Corp.
Affected Units:: 6,656
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.
Replace the throttle drive cover assembly.
System: fuel system; throttle linkage. Vehicle description: school buses with 6. 0 liter engines.
Date Owners notified by Manufacturer: Jan 29, 1993
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