Mixture Ratio Feedback System Inspection - Z24I Electro Injection: Overview

PREPARATION
1. Make sure that the following parts are in good order.
^ Battery
^ Ignition system
^ Engine oil and coolant levels
^ Fuses
^ E.C.C.S. harness connectors
^ Vacuum hoses
^ Air intake system
(oil filler cap, oil level gauge, etc.)
^ Fuel pressure
^ A.I.V. hose
^ Engine compression
^ E.G. R. valve operation
^ Throttle valve
2. On air conditioner equipped models, checks should be carried out while the air conditioner is "OFF".
3. When measuring "CO" percentage, insert probe more than 40 cm (15.7 in.) into tail pipe.