Electronic Ignition (EI) Diagnosis. Cadillac Concours 1997

For 1990-2009 cars

1. If the engine cranks but will not run or immediately stalls, refer to A Powertrain On Board Diagnostic (OBD) System Check in order to determine if the failure is in the ignition system or the fuel system.
2. If any DTCs are set for the electronic ignition, refer to A Powertrain On Board Diagnostic (OBD) System Check .
3. If a misfire is being experienced, refer to A Powertrain On Board Diagnostic (OBD) System Check .