I just recently had a new catalytic converter installed in my 2006 Jeep Wrangler because the previous one started to put out a sulfur smell. The new one now smells even worse than the previous one especially when I am going up hills or have to floor it to get around people who do not know how to drive. I have under 9000 miles on it and it has a 4.0L engine in it. I have have done the following on the Jeep so far. I have an Airraid cold air intake, throttle body spacer, borla headers and borla cat back system. I have done the same kind of upgrades on my 97 Jeep wrangler with the same engine and no smell what so ever. The Borlar Headers were put in by an ASE certified mechanic. Also I have noticed since I have had the 06 Jeep Wrangler that there is a tapping noise with little or no load on the engine. I have verified that there is no exhaust leak by an ASE certified mechanic. It sounds like it is coming from the lifters or valves. It is a very annoying sound because I never heard that noise on my two previous wranglers. I have taken it to the dealership and I have been told it is normal. I have also asked around to people who have owned an 06 jeep wrangler if they have heard that tapping noise and they have said no. I am so frustrated because of these two problems have arrised on a brand new vehicle. Can you help me out please?
Tuesday, June 26th, 2007 AT 3:48 PM