Diagnostic Aids

WARNING: This page does not describe the selected car, but rather 22 other vehicles, including the 1992 GMC Yukon, 1992 GMC Vandura Special, 1992 GMC Vandura, 1992 GMC Value Van, and 1992 GMC Rally Camper Special. However, it is still accessible from the selected car via links, so may be relevant.

A vacuum leak may cause a Code 32. Check all vacuum hoses and components connected to vacuum hoses for leaks. Also check cruise control and A/C systems vacuum hoses and components.

Fig 1: CODE 32, Schematic, EGR Circuit Loop Error

Courtesy of GENERAL MOTORS CORP.

Fig 2: CODE 32, Schematic, EGR Circuit Loop Error

Courtesy of GENERAL MOTORS CORP.

Fig 3: CODE 32, Flow Chart, EGR Circuit Loop Error

Courtesy of GENERAL MOTORS CORP.