Hello all, Vehicle: 91 GL with 163,000+, manual Location: Wilmington, NC I'm trouble shooting a stumbling idle. I think I've found my problem. I noticed the exhaust puffing and the muffler had some odd sounds coming from the muffler itself. So I pulled the cat and muffler. I only snapped two of the three bolts. It turns out, my catalytic converter has nothing left. It's completely empty. The previous owner had a S & S Exhaust system put on a few months before my taking ownership 3+ years ago. The cat has big dents in it. My theory is this: when the shop put on the new Header and Muffler, they cleaned out the Catalytic Converter. In NC, vehicles older than 1996 do not require emissions testing. I started her up, while a bit loud, no more puff puff puff.... Would running with an hollowed out cat lead to the muffler breaking down? Now I have to figure out if I have to buy a muffler from S & S or does a stock muffler bolt up to the system.
Jim Wilmington, NC |
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