Engine Stalling Due to Mass Airflow Sensor Failure on Volvo 780

Engine stalling/stumbling problems can be caused by a failing mass airflow sensor.

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Average mileage: 247,000 (247,000–247,000)
Engine affected: 2.3L 4 Cylinder Turbo
2 model years affected: 1990, 1991
3 people reported this problem
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problem details
1990 Volvo 780 - 2.3L 4 Cylinder Turbo 247,000 mi,
fixed warped head. drove car at speeds of 70miles hr.after 15min car backedfire, checked timming,pressure,replaced mass airflow sensor. car starts but no power