Random Misfire Occurs During Low RPM & Low Engine Load

Check for:

• Correct fuel pressure. See FUEL SYSTEM in BASIC DIAGNOSTIC PROCEDURES article.
• Valve adjustment out of specification. See ON-VEHICLE ADJUSTMENTS article.
• Crankshaft speed fluctuation sensor malfunction. See DTC P1336 & DTC P1337: CRANKSHAFT SPEED FLUCTUATION (CKF) SENSOR  .