Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Oldsmobile >> 1990 >> Custom Cruiser >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - Tests W/Codes) >> ECM Trouble Code Charts >> ECM Code EO20: Open Fuel Pump Circuit >> Failure Conditions:

Failure Conditions:

WARNING: This page is about a different car, the 1990 Cadillac Seville and 1990 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

Fuel pump feedback voltage less than or equal to 2 volts for one second or more.

scientia non olet · About Mike's Workshop Manuals