Went through a new cat and new AC compressor around 200k.
Reviews of OEM Honda catalytic converter
15 votes
I'm a Honda tech and have an Insight that's been waiting on a catalytic converter for 2 months.
Catalytic converter will sound like a rattling underneath the car towards the rear.
So anywho, I ordered a replacement and bolted everything back together. Cat put me slightly above budget, but hell... half the car is new at this point. Also, I got 34mpg over ~150 miles of test driving to and from work before I decided to investigate the cat; that's pretty good for what amounts to a 16 mile round trip with the AC going.
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