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Home >> Chrysler >> 1995 >> LHS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.5L >> Test NTC-10A >> Checking Solenoid Operations
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Checking Solenoid Operations

NOTE: For connector terminal ID, see CONNECTOR IDENTIFICATION. For wiring diagram, see WIRING DIAGRAMS - 3.5L article in ENGINE PERFORMANCE. After each repair, perform TEST VER-2  .
  1. Using scan tool, actuate purge solenoid. While touching top of canister purge solenoid, feel for operation. If purge solenoid does not operate, replace canister purge solenoid. If purge solenoid operates, go to next step.
  2. Actuate EGR solenoid. While touching top of EGR valve, feel for operation. If EGR solenoid does not operate, replace EGR solenoid. If EGR solenoid operates, go to next step.
  3. If vehicle is equipped with a 3.3L engine and solenoids are operating normally, test is complete. If vehicle is equipped with a 3.5L engine, go to next step.
  4. Using scan tool, actuate Manifold Tuning Valve (MTV) solenoid. While touching top of MTV solenoid, feel for operation. MTV solenoid is located on right front strut tower. If MTV solenoid does not operate, replace MTV solenoid. If MTV solenoid operates, go to next step.
  5. Start engine and let idle for one minute to build up vacuum. Turn engine off. Turn ignition on. Actuate MTV valve. If MTV valve opens and closes fully when actuated, MTV solenoid and valve are operating properly. Test is complete. If MTV valve does not open and close fully when actuated, go to next step.
  6. Inspect MTV valve vacuum hose for leaks. Repair as required. If no vacuum leaks are observed, replace MTV valve.
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