Routine 208 - Backfire (Intake Or Exhaust)
BACKFIRE (INTAKE OR EXHAUST)
| SYSTEM & COMPONENT(S) | GO TO: |
|---|---|
| IGNITION Scope Engine for: Spark Plug, Coil, Secondary Wires, Distributor Cap, Rotor & Ignition Timing, crossed Wires | See BASIC TESTING |
| VACUUM DISTRIBUTION Vacuum hoses, or Connections Leak(s) | Perform a visual & audible inspection |
| EEC Quick Test | See TESTS W/CODES |
| THERMACTOR Thermactor System Components | See SYSTEM/COMP TESTS |
| PULSE Air Pulse Air System Components | See SYSTEM/COMP TESTS |
| BASIC ENGINE Compression, Valve Train, Camshaft, Intake Manifold Gaskets | Check engine mechanical condition |
| EXHAUST Components (Restricted) | Check exhaust system |
| Fuel DELIVERY Filter, Pump, Contamination in Fuel lines, Sender Filter, Fuel Pressure Regulator, Injectors | See ADJUSTMENTS See SYSTEM/COMP TESTS |