I have a 1999 Ford Taurus Wagon and the driver side windshield sprayer is barely spraying any fluid out onto the windshield and the passenger side is at 50% performance. Does my sprayer pump need to be replaced or could the lines be clogged?
probably clogged. alkaline residue builds up.
Probe the holes in the nozzles with a pin or piece of wire. You may want to find the hose running to the nozzles and blow really hard through the hose. This may clear up your problem.