Component Tests and General Diagnostics

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TROUBLESHOOTING HINTS

1. If the output frequency of volume air flow sensor soon starts to vary greatly, it may result from an improper contact of the volume air flow sensor connector.
2. If the volume air flow sensor output frequency is excessively high or low, check the air cleaner element.
3. If the volume air flow sensor output frequency is high, the engine resistance may increase or the compressed pressure may leak.