Diagnostic Aids
WARNING: This page is about a different car, the 2000 Isuzu Hombre. However, it is still accessible from the selected car via links, so may be relevant.
Check for the following:
- Faulty or damaged EVAP canister.
- Damaged or disconnected source vacuum line, EVAP purge line, vent hose, or fuel tank vapor line.
- Poor connection at PCM.
- Inspect harness connectors for backed-out terminals, improper mating, broken lock, damaged terminals, or poor wire connection.
- Check for intermittent problem in circuit.
- Check for kinked, pinched or plugged vacuum lines to EVAP purge or fuel tank (vapor line). Also check for restrictions.