1991 Volvo 780 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Volvo 780

1991 Volvo 780 Problems

The fuel pump relay may fail resulting in a "no start" condition, the engine will crank over but will not start and run. Checking for proper fuel pressure would be the first step in diagnosing this concern.

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

The transmission overdrive relay often fails, preventing the transmission from shifting into overdrive

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1991 Volvo 780 Recalls

VEHICLE DESCRIPTION: PASSENGER VEHICLES. DUE TO LIMITED SPACE AND VARIATIONS IN THE ASSEMBLY OF THE CABLES, CHAFING OF THE INSULATION OF THE CABLES FEEDING THE SEAT HEATER, POWER SEAT MOTORS AND SEAT BELT WARNING INDICATOR SITUATED UNDER THE FRONT SEAT, CAN OCCUR.

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