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