LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 1992 >> 960 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Fault Code Definition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fault Code Definition

FAULT CODES

Code Fault Repair
1-1-1 No Faults None
1-1-2 ECU Replace ECU
1-1-3 Fuel Injectors Check Fuel Injectors
1-2-1 Mass Airflow Signal (1) Check Airflow Meter & Main Relay
1-2-3 Coolant Temperature Sensor Signal (1) Check Sensor
1-3-1  Timing Pick-Up Signal (2)
1-3-2  Battery Voltage (2)
1-4-3  No Front Knock Sensor Signal (2)
2-1-2 Oxygen Sensor Signal (1) Check Oxygen Sensor
2-1-4  Timing Pick-Up Signal (2)
2-2-3  No Idle Valve Signal (2)
2-3-1  Lambda Rich/Lean In Part Load Range (2)
2-3-2  Lambda Rich/Lean At Idle (2)
2-3-3  Idle Control Not In Range (2)
2-4-1  EGR Flow Too Low (2)
2-4-3  Throttle Switch Signal Absent Or Faulty (2)
3-1-1  Speedometer Signal (2)
3-1-4  Camshaft Sensor Signal (2)
3-2-2  Airflow Meter Hot Wire (2)
4-1-3  EGR Temperature Sensor Absent/Faulty (2)
4-3-3  No Rear Knock Sensor Signal (2)
5-1-2  Short Term Fuel Trim (2)
(1) See SYSTEM/COMPONENT TESTS article in the ENGINE PERFORMANCE Section.
(2) See FAULT CODE TESTING  under SELF-DIAGNOSTIC SYSTEM.
scientia non olet · About LEMON Manuals