Jet Pump Test: Inspection
WARNING:
Flammable - Keep Fire Away
NOTICE:
Refer to the Fuel and Emissions Systems Service Precautions before doing the procedure.
- Jet Pump - Inspect
Preconditions
Procedure/Specifications
1. Connect the vacuum pump/gauge, 0-30 inHg, to the transfer tube (a) with an appropriate joint attachment (b) and a hose (c).
2. Operate the fuel pump.
- Select the following menu buttons on the HDS screen in sequence.
-
- PGM-FI (System Selection Menu)
- Function Test
- FUEL PUMP ON
3. Read the vacuum pump.
Specifications
Object Specification Fuel tank unit 4.0 kPa (30 mmHg, 1.18 inHg) or more Result
- If the measurement is within specifications, check for blockage of the secondary fuel gauge sending unit filter.
- If the measurement is not within specifications, check for blockage of the transfer tube. If it is OK, replace the fuel tank unit .