6.7 Fuel Pressure Test
Fragment manuala — str. 322
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FUEL PRESSURE TEST 6.7
PREPARE 7. Close clear tube bleeder valve.
A WARNING 8. Start engine. Operate engine at various speeds. Note
pressure gauge reading. Compare readings to
Gasoline is extremely flammable and highly explosive. specifications. Refer to Table 6-4.
Keep gasoline away from ignition sources which could
result in death or serious injury. See the Safety chapter. 9. Turn off engine.
(00635c)
A WARNING 10. Open clear tube bleeder to remove pressure from fuel
pressure gauge.
To prevent spray of fuel, purge system of high-pressure
fuel before supply line is disconnected. Gasoline is 11. Remove fuel pressure tester.
extremely flammable and highly explosive, which could
result in death or serious injury. (00275a)
Table 6-4. Fuel Pressure Range
SPECIFICATION KPA PSI
1. Purge fuel line. See PURGE FUEL LINE (Page 6-9).
359-441 52-64
2. Disconnect fuel supply line at quick fuel rail disconnect
fitting. See PURGE FUEL LINE (Page 6-9).
TEST
PART NUMBER TOOLNAME
HD-41182 FUEL PRESSURE GAUGE
HD-44061 FUEL PRESSURE GAUGE ADAPTER
1. See Figure 6-9. Attach fuel pressure gauge adapter (5) to
fuel rail quick disconnect fitting (1) and fuel line (2).
Special Tool: FUEL PRESSURE GAUGE (HD-41182)
Special Tool: FUEL PRESSURE GAUGE ADAPTER
(HD-44061)
;
2. Close fuel valve (4). 1. Fuel rail quick disconnect fitting
2. Fuel pressure gauge adapter quick to fuel line
disconnect fitting
3. Insert clear tube of fuel pressure gauge into a suitable
3. Valve union
container.
4. Fuel valve (closed position)
5. Fuel pressure gauge adapter
4. Turn ignition switch to run position.
Figure 6-9. Fuel Pressure Test Fittings
5. Open fuel valve (4). COMPLETE
6. Open clear tube bleeder valve to remove air from fuel Connect fuel supply line at quick disconnect fitting. See FUEL
pressure tester. LINE (Page 6-10).