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8.3 Air Flow Measurement

Operation and testing of the Digifant I air flow sensor and intake air temperature sensor, as well as the throttle valve basic adjustment and throttle valve vacuum lines routing, is the same as for the Digifant II system. See 7.1 Air Flow Measurement for procedures and specifications. If the air flow sensor or throttle valve is replaced, reset the control unit as described in 8.2 Resetting Digifant I Control Unit.

CAUTION-

Volkswagen specifies that the first step in any Digifant I system troubleshooting must be to check the OBD fault memory, and to find and correct any faults that may be indicated.

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