Hey guys, i did a search and didnt find anything about this. But i have a 2004 Stang GT 4.6L 5 speed 55k miles. Everything stock minus the catback exhaust and rims. I bought the car a week ago and noticed a day after driving it that a P0420 code came up which according to my scanner, is a catalyst effieciency below bank 1 threshold. I am assuming that this could be a bad o2 sensor, bad cat or possibly an exhaust leak? Where is the o2 sensor at bank 1 located? Also, could there be possibly a more serious problem with the engine of only 55k miles on it? Give me worst case scenario. I have erased the code 2 times with my scanner and it has came back in about a day of moderate driving. My main question is, is it possible for a dealer to pull the history of codes that the car has shot out even with them being erased by a scan tool? The dealer may be more inclined to fix the problem if i could prove that it has had this problem previously. Thanks!
P.S. While i am posting a thread i figure i would ask another question about a strange smell coming from my car. The dealer had recently put new brakes on the car before we bought it, after getting it home we noticed a funny smell coming from the car. We initially thought it was the new brakes wearing in, possibly just cheap brakes that were a little to fat for the calipers, but now it is a week later and i am still smelling it after only driving for 15 miles. I am beginning to wonder, could it possibly be the clutch burning? I dont feel i am perfect at shifting yet but i dont feel that i go incredibly hard on the clutch either. Any suggestions? Thanks again guys.
P.S. While i am posting a thread i figure i would ask another question about a strange smell coming from my car. The dealer had recently put new brakes on the car before we bought it, after getting it home we noticed a funny smell coming from the car. We initially thought it was the new brakes wearing in, possibly just cheap brakes that were a little to fat for the calipers, but now it is a week later and i am still smelling it after only driving for 15 miles. I am beginning to wonder, could it possibly be the clutch burning? I dont feel i am perfect at shifting yet but i dont feel that i go incredibly hard on the clutch either. Any suggestions? Thanks again guys.