Engine Controls - Pinpoint Test He: Exhaust Gas RECIRCULATION (EGR) Systems Through Pinpoint Test HZ: Natural Vacuum Leak Detection - (Except Diesel & Hybrid)
- PINPOINT TEST HE: Exhaust Gas Recirculation (EGR) Systems
- PINPOINT TEST HF: Catalyst Efficiency Monitor and Exhaust Systems
- PINPOINT TEST HG: Positive Crankcase Ventilation (PCV) System
- PINPOINT TEST HH: Exhaust Gas Recirculation System Module (ESM)
- PINPOINT TEST HK: Variable Camshaft Timing (VCT)
- PINPOINT TEST HN: Turbocharger System
- PINPOINT TEST HP: High Pressure Fuel Delivery System
- PINPOINT TEST HU: Intake Air Systems
- PINPOINT TEST HV: Electric Cooling Fan
- PINPOINT TEST HX: Evaporative Emission (EVAP) System and Monitor
- PINPOINT TEST HZ: Natural Vacuum Leak Detection