LEMON Manuals: Even more car manuals for everyone
Home >> Mercury >> 2003 >> Marauder >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Cluster System -Electronic >> Diagnosis And Testing >> Instrument Cluster >> Principles of Operation >> Check Engine

Check Engine

The CHECK ENGINE indicator illuminates when a fault condition is detected by the powertrain control module (PCM). The CHECK ENGINE indicator will remain illuminated until the condition is corrected.