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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Continuously Variable Transaxle (CVT) On-Vehicle Service - With Diagnostics) >> Diagnosis < CVT > >> Symptom Procedures >> INSPECTION PROCEDURE 4: Poor Acceleration or Incomplete Shifting Operation >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Engine-related troubleshooting check 

    Check for engine malfunction.

    Q: Is the check result normal? 

    1. YES:  Go to Step 2.
    2. NO:  Carry out the engine-related troubleshooting.
  2. STEP 2. Torque converter stall test implementation 

    Refer to TORQUE CONVERTER STALL TEST  .

    Q: Is the check result normal? 

    1. YES:  Go to  Step 4.
    2. NO (stall speed is low.):  Replace the torque converter.
    3. NO (stall speed is high.):  Go to Step 3.
  3. STEP 3. Retest the system. 

    Replace TCM, and then recheck symptoms.

    Q: Does the malfunction take place again? 

    1. YES:  Replace the CVT assembly.
    2. NO:  The inspection is complete.
  4. STEP 4. Forward clutch pressure check 

    Carry out "hydraulic test" (Refer to HYDRAULIC PRESSURE TEST  ).

    Q: Is the check result normal? 

    1. YES:  Replace the forward clutch.
    2. NO:  Replace the valve body assembly.
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