1993 GMC Jimmy Owner's Manual - Page 137
1993 GMC Jimmy Manual
Page 137 highlights
Malfunction Indicator Lamp (Senrice €nghe Soon) Cluster Digital Standard Cluster PO161 A computermonitorsoperationofyourfuel,ignitionandemissioncontrol systems.This light should come on when the ignition is on, but theengine is not running,asacheck to show you it is working. If it doesnotcomeonat ail,have it fixed rightaway. If it stayson, or comes on whileyouaredriving, thecomputer is indicating that you have a problem. You should take your vehicle in forservice soon. 2-77
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