Visual/Physical Check

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