No. 20 Fuel Odor (In Engine Compartment): Notes

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SYMPTOM CHART - FUEL ODOR (IN ENGINE COMPARTMENT)

20	FUEL ODOR (IN ENGINE COMPARTMENT)
DESCRIPTION	Gasoline fuel smell or visible leakage.
POSSIBLE CAUSE	Excessive or insufficient fuel pressure Fuel pump relay or fuel pump circuit malfunction Restriction in fuel line Pressure regulator malfunction (built-into fuel pump unit) Fuel pump malfunction Fuel leakage from fuel system Fuel injector malfunction Fuel tank vent system blockage Purge solenoid valve malfunction PCM DTC is stored. Charcoal canister malfunction WARNING: The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services: Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel. Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE SERVICE PRECAUTION" and "AFTER SERVICE PRECAUTION" described in this manual. (See BEFORE SERVICE PRECAUTION .) (See AFTER SERVICE PRECAUTION .) CAUTION: Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and the quick release connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.

FUEL ODOR (IN ENGINE COMPARTMENT)

DESCRIPTION

Gasoline fuel smell or visible leakage.

POSSIBLE CAUSE

Excessive or insufficient fuel pressure
- Fuel pump relay or fuel pump circuit malfunction
- Restriction in fuel line
- Pressure regulator malfunction (built-into fuel pump unit)
- Fuel pump malfunction
Fuel leakage from fuel system
Fuel injector malfunction
Fuel tank vent system blockage
Purge solenoid valve malfunction
PCM DTC is stored.
Charcoal canister malfunction

WARNING: The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:

Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE SERVICE PRECAUTION" and "AFTER SERVICE PRECAUTION" described in this manual. (See BEFORE SERVICE PRECAUTION .) (See AFTER SERVICE PRECAUTION .)

CAUTION:

Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and the quick release connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.