I took my '04 Ford Focus to a dealer today to get an oil change and a tire rotation. The technicians found an oil leak and offered to run the diagnostic test where they insert dye into the engine to see where the leak is coming from. The test costs about $120 and I’d like to know if this is worth the cost. I have a mechanic I trust around here who says that test is unnecessary b/c all you need to do is wash the engine and run it for a bit. If there’s a leak, you’ll see where it’s coming from. To say that I’m not a car expert is an understatement and I deferred to my regular mechanic. But, I would like to know anyway if there is or are any reasons for why that test would be worth such a cost.
In the interest of full disclosure, the car has about 69,000 miles on it.