505 L4-2304cc 2.3L DSL XD-2 (1982)
EGR Electronic Vacuum Regulator Solenoid: Testing and Inspection
Turbocharged
Electro Valve U2 Test
1.
Turn ignition to ON position.
2.
Using a suitable voltmeter, measure voltage at wire 146A of electro valve.
3.
Voltmeter reading should be less than or equal to 11.5 volts.
Electro Valve Test
Fig. 9 Exhaust gas recirculation (EGR) system.
1.
Turn ignition to ON position.
2.
Disconnect wire 146 from electro valve, Fig. 9.
3.
Connect a jumper wire to the electro valve.
4.
Alternately ground the jumper wire. A "clicking" noise should be heard coming from the electro valve every time the jumper wire is grounded. If
not, connect an ohmmeter to the electro valve and measure resistance. Resistance should be 40 ohms. If a resistance reading of infinity is obtained,
replace electro valve.
