Basic EEC Trouble Shooting
- Perform basic fuel system and ignition system checks, to ensure there is gas and spark.
- Remove air cleaner assembly and inspect all vacuum and pressure hoses for proper connection to fittings, or any broken, cracked or pinched conditions.
- Inspect EEC sub-system harness for proper connections to EGR solenoid valves. Red wire to both, Yellow wire to vacuum solenoid and Green wire to vent solenoid.
- Check for any loose or detached connectors or broken or detached wires. Ensure all terminals are completely seated.
- Repair items as required and replace air cleaner.
- Check battery charge, cable connections and main electrical wiring.
- Test resistance of all sensors and solenoids, using values given in COMPONENT RESISTANCE VALUES Chart. Be sure to disconnect component from circuit before checking resistance.