Basic Inspection

BASIC INSPECTION

When checking and correcting engine troubles, it is important to start with an inspection of the basic systems. If one of the following conditions exist, (A) engine start failure, (B) unstable idling or (C) poor acceleration, begin by checking the following basic systems.

1. Power supply

1) Battery
2) Fusible link
3) Fuse

2. Body ground
3. Fuel supply

1) Fuel line
2) Fuel filter
3) Fuel pump

4. Ignition system

1) Spark plugs
2) High-tension cables
3) Distributor
4) Ignition coil

5. Emission control system

1) PCV system
2) EGR system
3) Vacuum leak

6. Others

1) Ignition timing
2) Idle speed

Troubles with the MPI system are often caused by poor contact of the harness connectors. It is important to check all harness connectors and verify that they are securely connected.