Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU1998LEGACY BRIGHTON WAGON AWD F4-2.2L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESEXCESSIVE ODORS - FUEL, EMISSIONS
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHC
Excessive Odors - Fuel, Emissions
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHCSECTION Excessive Odors - Fuel, Emissions
Vehicle has excessive "rotten egg" smell. Raw fuel (gasoline) can be smelled. Excessive odors do not necessarily indicate excessive emissions.
POSSIBLE CAUSE ACTION
Faulty purge valve, liquid Check Evaporative system in
fuel in carbon canister, "Testing Procedures" in Emissions
fuel tank vent system blocked,
poor seal on gas cap
PCV valve plugged or stuck Check PCV system in "Testing
PCV hose blocked or plugged Procedures" in Emissions
Contaminated catalyst Check for missing or worn
fuel fillpipe restrictor
Excessive Emissions Refer to High Emission Levels
in "Diagnosis By Symptom" in Emissions
POSSIBLE CAUSE ACTION
Faulty purge valve, liquid Check Evaporative system in
fuel in carbon canister, "Testing Procedures" in Emissions
fuel tank vent system blocked,
poor seal on gas cap
PCV valve plugged or stuck Check PCV system in "Testing
PCV hose blocked or plugged Procedures" in Emissions
Contaminated catalyst Check for missing or worn
fuel fillpipe restrictor
Excessive Emissions Refer to High Emission Levels
in "Diagnosis By Symptom" in Emissions
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.