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Home >> Chrysler >> 1990 >> Imperial >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L >> Entering On-Board Diagnostics

Entering On-Board Diagnostics

NOTE: Manufacturer recommends using DRB-II (Diagnostic Readout Box-II, C-4805) to diagnose the system. Check engine light function has limited diagnostic usage.