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Date:         Feb. 29, 1992
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         

Subject:      Vanagon Intermittent Misfire

Condition: After driving for 1/2 to 2 hours at a constant speed, vehicle experiences lack of power, cuts-out or stalls, often accompanied by bucking or jerking of the vehicle. In ALL cases, the vehicle will restart immediately. This symptom may not re-occur for several weeks/months. Inspection by the dealer results in nothing conclusive.

Some air-flow meters may experience a vibration resonance of the metering potentiometer wiper during extended constant driving. This resonance causes the air-flow meter to supply an intermittent signal to the Digifant ECU. The ECU will then default to a "no-load" condition and reduce the injection time.

Service Harness, Part No. 025 906 302, is available to resolve this condition. * remove electrical connector from air flow sensor (see figure 24-174) * install converter assembly, Part No. 025 906 302, between harness and air flow sensor

CAUTION Part numbers are for reference only. Always check with your Parts Department for latest parts information.

Note If customer complaints persist after performing the above repair, contact your Zone Product Support Specialist (TSM in Canada). ........................................................................


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