I bought a brand new 2007 Nissan Sentra. It now has 44, 000 miles on it. I have just recently gotten my car back, after having it worked on almost the entire month of July and part of August. Took it to a Nissan dealership when it first started acting up and they couldn't find the problem Took it to them a total of 5 times and paid around $130.00 for nothing. No work, nothing fixed. Finally took it to another mechanic and ended up spending around $500.00 with them only to have it tear up again. Nissan finally replaced the engine after 3... read full review »