Engine (Diagnostics) (H4SO): General Description: Preparation Tool: Notes

Fig 1: Identifying Preparation Tool

Courtesy of SUBARU OF AMERICA, INC.

• Reduced emission of harmful exhaust gases.
• Reduced in fuel consumption.
• Increased engine output.
• Superior acceleration and deceleration.
• Superior startability and warm-up performance in cold weather since compensation is made for coolant and intake air temperature.