MX-6 L4-2184cc 2.2L SOHC Turbo F2 (1989)
EGR Valve Position Sensor: Testing and Inspection
EGR Valve
SYSTEM INSPECTION
NOTE: Check the condition of the wiring harness and/or vacuum lines and connectors before checking the sensors or switches.
1.
Start the engine.
2.
Accelerate the engine and verify that the diaphragm of the EGR control valve does not move while the engine is still cold.
3.
Warm up the engine to normal operating temperature and run it at idle.
WARNING: Be careful when checking the EGR control valve because the surrounding area is very hot.
4.
Accelerate the engine and check that the diaphragm of the EGR control valve moves upward.
SOLENOID VALVE (EGR, VENT SIDE)
Testing EGR Vent Solenoid
1.
Disconnect the vacuum hoses.
2.
Blow through the vent hose and make sure air flows.
3.
Disconnect the solenoid valve connector.
4.
Apply 12V and ground the valve as shown.
5.
Blow through the vent hose and make sure air does not flow.
6.
If not correct, replace the solenoid valves.
SOLENOID VALVE (EGR, VACUUM SIDE)
Testing EGR Vacuum Solenoid
1.
Disconnect the vacuum hoses.
2.
Blow through the vacuum hose and make sure air does not flow.
