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Evaporative Emissions Symptom Chart: Notes
EVAPORATIVE EMISSIONS SYMPTOM CHART
| Problem |
Possible Cause |
Action |
- Leakage In The Evaporative Emission (EVAP) Canister or Canister Vent Solenoid
|
- Canister vent solenoid stuck open.
- Weld seam leaks.
- O-ring seal leaks.
|
See
PINPOINT TEST 1: EXCESSIVE FUEL ODOR CANISTER VENT SOLENOID . |
- Blockage In The Evaporative Emission (EVAP) Canister Or Canister Vent Solenoid
|
- EVAP canister blockage.
- Canister vent solenoid blockage.
- Canister vent solenoid output hose blockage.
|
See
PINPOINT TEST 2: HISS WHEN OPENING FUEL CAP . |