1991 Eagle Talon Base, StandardFACTORY OEM SERVICE PROCEDURE

Fault Codes: Notes

FAULT CODES

Fault Code System Fault Description
0 (1) Normal Condition
11  Open Or Short In O2 Sensor Circuit
12  Open Or Short In Airflow Sensor Circuit
13  Open Or Short In Intake Air Temperature Sensor Circuit
14  Open Or Short In TPS Circuit
21  Open Or Short In Coolant Temperature Sensor Circuit
22  No Voltage Change In Crank Angle Sensor Signal
23  No Voltage Change In No. 1 Cylinder TDC Sensor Signal
24  No Voltage Change Of Vehicle Speed Sensor (VSS) Signal
25  Open Or Short In Barometric Pressure Sensor
31 (2) Open Or Short In Detonation Sensor Circuit
41  Open Or Short In Injection Circuit
42  Open Or Short In Fuel Pump Drive Circuit
43  Open Or Short In EGR Temperature Sensor Circuit
44  Open Or Short In Either Ignition Coil Circuit
(3) Faulty ECU
(1) When the CHECK ENGINE light flashes on and off continuously without pausing, this will be read as a zero indicating a normal condition.
(2) 2.0L Turbo engine only.
(3) When CHECK ENGINE light illuminates steadily without flashing, this indicates a faulty ECU.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.