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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Diagnosis - F4A42 & F4A51 Automatic Transmission) >> Symptom Tests >> Test M: Poor Acceleration

Test M: Poor Acceleration

WARNING: This page is about a different variant/trim than selected.
NOTE: If poor acceleration is experienced during normal driving conditions or when downshifting (passing), likely cause may be engine related, or a faulty transaxle brake or clutch.
  1. Check engine control, ignition and fuel systems. Check for engine mechanical malfunctions. Repair as necessary. If no problem is found, go to next step.
  2. Perform torque converter stall speed test. See TORQUE CONVERTER DIAGNOSIS  under PERFORMANCE TESTS. If symptom is eliminated, diagnosis is complete. If symptom is not eliminated, go to next step.
  3. Perform hydraulic pressure tests. See HYDRAULIC PRESSURE TESTS  under PERFORMANCE TESTS. If symptom is eliminated, diagnosis is complete. If symptom is not eliminated, go to next step.
  4. Remove valve body assembly. See REMOVAL & INSTALLATION in appropriate SERVICING article in AUTOMATIC TRANSMISSIONS. Air check each brake and clutch orifice on transaxle case. See Figure . If air checks are okay, diagnosis is complete . If air checks are not okay, go to next step.
  5. Remove transaxle assembly. See appropriate REMOVAL & INSTALLATION article in AUTOMATIC TRANSMISSIONS. Disassemble transaxle and inspect clutches and brakes. See appropriate OVERHAUL article. Check for burned clutch components, defective seals and retainer interference. Repair as necessary. If symptom is eliminated, diagnosis is complete. If symptom is not eliminated, replace PCM. See appropriate REMOVAL, OVERHAUL & INSTALLATION article in ENGINE PERFORMANCE.
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