We had a customer with a 1990 aerostar v6. Ford dealer gave him 2 quotes for tune up . 1 was for 5 cylinders and 2nd for doing all 6cylinders. He also had a mid 1980's taurus with a 3.0 v6. P/s hose was leaking. That was the one that was about 5' long almost a... Login to read more.