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Home >> Plymouth >> 1988 >> Colt Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Standard >> Testing & Diagnosis >> Navigator Diagnostic Functions >> Fuel Flow Diagnostic Feature

Fuel Flow Diagnostic Feature

  1. If Navigator functions "RANGE," "FUEL," and "ECON" are all not normal, check Navigator using fuel flow diagnostic function. Press "SPD" button. Within 5 seconds simultaneously press "US/M" and "RESET" buttons. Then, press "SET" button.
  2. Enter "123" into Navigator. Display should read about 2 to 6 with engine idling, or 12 to 16 with logic module in its diagnostic mode. If fuel flow system is okay, check logic module. If module is okay, replace Navigator.
  3. If fuel flow function indicates failure, check fuel flow system. If fuel flow system is okay, check logic module. If module is okay, replace Navigator. To deactivate speed diagnostic function, press "SET" button and then another function button.
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