Test NS-8A - Repairing Start & Stall Condition

At this point in diagnostic test procedure, all engine control systems have been determined to be operating as designed and not causing a start and stall problem. Following additional items should be checked as possible causes:

• Check if any Technical Service Bulletins (TSBs) apply to vehicle.
• Check valve timing.
• Check engine compression.
• Check for exhaust system restriction.
• Ensure PCV system is functioning properly.
• Check for fuel contamination.
• Check secondary ignition system.