Recall 91-C-50

Bulletin number

RCL/91C50

Component

Engine and engine cooling: exhaust system: emission control

Summary

Recall 91-c-50 - general motors has determined that certain 1991 chevrtolet c/k trucks, m/l and g vans equipped with 4.3l engines [rpo lb4 or rpo lu2 (m van only)] may be emitting non-methane hydrocarbons (nmhc) in excess of california emissions standards. California emissions standards were established to protect the public health and wealfare from dangers of air pollution. Excess emission of nmhc may cause a vehicle to fail state mandated emission tests. To correct this condition, dealers are to install a new oxygen sensor. Tw

Owners of these vehicles have filed 4 complaints in the engine category.