AD07.52-D-7000A | Fuel pressures and internal leaks (PIC) testing hydraulics | 27.5.97 |
ENGINE 111.979 in MODEL 901, 902, 903, 904
D07.52-0017-06
Checking fuel pressure
03 Measuring cup
05 Pressure measuring instrument
103 589 00 21 00
06 T adapter
638 589 00 63 00
08 Fuel feed line separation point
D07.52-0010-01
Disconnect vacuum hose (1) to diaphragm pressure regulator
(test step 2)
| Location of components PEC gasoline injection and ignition system | ||
| Tools for testing fuel pressure PEC hydraulics | ||
Disconnect fuel feed line at fuel line separation point and connect pressure measuring instrument with T adapter | Before separating fuel line, disconnect fuel pump relay and actuate starter in order to relieve fuel pressure. | ||
Testing | |||
1 | Test fuel pressure at idle (with vacuum), hydraulic fuel pressure and inner PEC leakage | ||
2 | Fuel pressure at idle (without vacuum), test hydraulic fuel pressure and inner PEC leakage | ||
3 | Fuel system for inner leakage, test hydraulic fuel pressure and inner PEC leakage |