Engine stalls (MIL works OK, no DTCs set)
Diagnostic procedure
Do the ECM/PCM idle learn procedure.
Test the fuel pressure.
Check the idle speed.
Troubleshoot the brake pedal position switch signal circuit.
Check the spark plugs.
Troubleshoot the VTEC system oil pressure.
Also check for
Intake vacuum leaks
Faulty harness and sensor connections
Fuel contamination