Having problems with your 1991 Volvo 740 ?
Erratic/non functioning speedometer
\015 Similar issue, but mine is not always registering at city speeds. It seems to be OK at higway speed\015
Answers :
Replace the battery, you can drive the car to a part store and have them test it first(they usually won't charge you)
Repair Help & Product Troubleshooting for 1991 Volvo 740
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