Spark Knock/Detonation

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 Nissan Xterra, 2002 Nissan Sentra, 2002 Nissan Quest, 2002 Nissan Pathfinder, and 2002 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Unless otherwise indicated, see appropriate SYSTEM & COMPONENT TESTING article for testing procedures.

Check ignition timing adjustment. See THROTTLE POSITION SWITCH, IGNITION TIMING & IDLE SPEED in ON-VEHICLE ADJUSTMENTS article.
Check fuel injector circuits.
Check ignition circuit.
Check fuel pump circuit.
Check Exhaust Gas Recirculation (EGR) system.
Check cooling system operation.
Check PCV system.
Check fuel pressure regulator. See FUEL SYSTEM in BASIC DIAGNOSTIC PROCEDURES article.
Check ignition circuit.
Check Camshaft Position (CMP) sensor circuit.
Check Mass Airflow (MAF) sensor circuit.
Check front Heated Oxygen Sensor (HO2S) circuit.
Check ECM power supply and ground circuits.
Check Engine Coolant Temperature (ECT) sensor circuit.
Check knock sensor circuit.
Check Vehicle Speed Sensor (VSS) circuit.
Check fuel delivery system.
Check for vacuum leaks.
Check engine mechanical condition.
Check EVAP system.