Visual/Physical Check

Several of the symptom procedures call for a careful Visual/Physical Check. The importance of this step cannot be stressed too strongly - it can lead to correcting a problem without further checks and can save valuable time. This check should include:

^ PCM grounds for the following conditions:

- Clean connection

- Tight connection

- Proper location

^ Vacuum hoses for the following conditions:

- Splits

- Kinks

- Proper connections as shown on Vehicle Emission Control Information label

- Leaks

- Restrictions

^ Air leaks at the following components:

- Throttle body mounting

- Intake manifold sealing surfaces

^ Wiring for the following conditions:

- Proper locations

- Pinches

- Cuts