I have a 2001 Mazda Tribute with 94,000 mile on it. I've had some check engine light problems, and when I had it serviced, it showed that I had some bad oxygen sensors. When replaced it ran ok for awhile then engine light again. I was told to replace egr sensor. Did that and it blew a hole in the egr valve. The car won't idle right, in the morning I have a hard time keeping it running, : arrow: it won't take hill, small or large and it shuts off when I stop. I since replace the egr valve twice and twice it blew a hole in it. Now I'm smelling fumes in the car and the car now makes a whistling sound sometimes when I accelerate. Please Help, I'm running out of money. P.S. You have my word that I will send you a donation in the near future.