Routine 215 - Spark Knock (Pings)
NOTE:
If the above fails to correct the condition, it is recommended that the owner change his source of Fuel and use higher octane Fuel.
SPARK KNOCK (PINGS)
| SYSTEM & COMPONENT(S) | GO TO: |
|---|---|
| IGNITION Timing | See ADJUSTMENTS |
| EEC Quick Test | See TESTS W/CODES |
| VACUUM DISTRIBUTION Vacuum Leaks PVS COOLING Overheating | Perform a visual & audible inspection See SYSTEM/COMP TESTS Check cooling System |
| BASIC ENGINE Oil Level, Compression Check, Intake Manifold Gasket | See BASIC TESTING |
| FUEL DELIVERY Injectors | See SYSTEM/COMP TESTS |
| PCV Valve | See SYSTEM/COMP TESTS |
| EGR Verify Correct Application, Then Diagnose | See SYSTEM/COMP TESTS |
| INDUCTION Air Cleaner Duct & Valve Assembly | See SYSTEM/COMP TESTS |
| THERMACTOR Thermactor System Components | See SYSTEM/COMP TESTS |
| BASE Transmission (E40D) Transmission Controls | See TESTS W/CODES |