No.20 Fuel Odor (In Engine Compartment): Notes
DESCRIPTION & POSSIBLE CAUSE
| 20 |
FUEL ODOR (IN ENGINE COMPARTMENT) |
| DESCRIPTION |
- Gasoline fuel smell or visible leakage.
|
| POSSIBLE CAUSE |
- Missing or loose fuel filler cap
- Fuel leakage from fuel system
- Improper connection of evaporative related vacuum hoses
- Purge solenoid valve malfunction
- Excessive fuel pressure
- Charcoal canister malfunction
- Fuel system vent system blockage
- Fuel pressure sensor malfunction
- High pressure fuel pump 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 injury 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 quick release connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.
|
CAUTION:
- Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.
RELATED PIDs DESCRIPTION
| Monitor item (Definition) |
Unit/Condition |
Condition/Specification (Reference) |
| FUEL_PRES |
KPa {MPa}, mBar {Bar}, psi, in H20 |
- Displays the fuel pressure
|
| V |
- Fuel pressure is 3.0 MPa {31 kgf/cm 2
, 435 psi}: approx. 0.92 V
- Fuel pressure is 4.8 MPa {49 kgf/cm 2
, 696 psi}: approx. 1.17V
|
| LOAD |
% |
- Idle (after warm up): approx. 16.07 %
- Racing (engine speed is 2,000 rpm
): approx. 14.51 %
- Racing (engine speed is 4,000 rpm
): approx. 21.17 %
|