System Inspection

System Inspection

Accelerator Cable & Throttle plate Inspection
1. Visually/physically inspect the following items. Repair or adjust as necessary and go to next step.
- Check that the Accelerator Cable is not sticking or moving sluggishly.
- Check Accelerator Cable free play [0.040-0.120 in. (1.0-3.0 mm)].
2. Remove Intake Hose and inspect Throttle Plate for excessive carbon deposits.
3. Is Throttle Plate being held open with excessive carbon deposits ?
YES
1) Replace or repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
1) Go to next step as below
Air Leakage Inspection
1. Visually/physically inspect the air leakage in intake/exhaust system as following items,
- Check for throttle Plate being held open with excessive carbon deposits
- Vacuum hoses for splits, kinks and improper connections.
- Throttle body gasket
- Positive crankcase ventilation valve for improper installation, damaged o-rings and malfunctioning.
- Gasket between intake manifold and cylinder head
- Seals between intake manifold and fuel injectors
- Exhaust system between HO2S and Three way catalyst for air leakage
2. Was a problem found in any of the above areas ?
YES
1) Replace or repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
1) Go to "W/Harness Inspection" procedure.