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I finally got my F355 to the shop for the check engine light. It turned out to be a faulty left side cat and an O2 sensor.

Questions:

When I had purchase the vehicle the check engine light was not on, and when they performed a PPI it was not on. My question is that, since the check engine light was not on during the PPI, would it be possible that they did not hook the car up to the computer to check for faulty parts.

How much does a catalytic converter and an oxygen sensor normaly cost, for the quote they gave me was $4700 for just one side for both including labor.

Is this something I can just order and replace myself. I have replaced oxygen sensors before, well once which called for pulling the sensor off the manifold and replacing.

What is my recourse for getting the money from the dealer owner (but private sale) who sold me the vehicle. I have contacted him and still no return call after 1 day. Law suit perhaps.

:(
 

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I finally got my F355 to the shop for the check engine light. It turned out to be a faulty left side cat and an O2 sensor.

Questions:

How much does a catalytic converter and an oxygen sensor normaly cost, for the quote they gave me was $4700 for just one side for both including labor.

Is this something I can just order and replace myself. I have replaced oxygen sensors before, well once which called for pulling the sensor off the manifold and replacing.

:(
Hi Pete,
Based on my experience with a host of other vehicles (i.e. this is NOT F355 specific!) and depending on what the engine diagnostic revealed in terms of specific codes, I would replace the O2 sensor before replacing the Cat and I would use an original O2 sensor not aftermarket. Sorry I am not overly familiar with the layout of the O2 sensors on the F355 so would not be able to advise if it is a DIY job.

Do you know what the specifics of the Engine diagnostic were?
 

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F355 Cats

I got to replace both cats on a '96 F355 a couple of years ago. I got two converters from
http://members.aol.com/SportsCarConvert/Ferrari.html

They are about $350 each, and they look good, work just fine. The company uses Maganflow converters, and has all the fixtures and flanges to make a direct replacement. It does take a while to install, because things are pretty crammed in there, and you have to take a bunch of things off to get to them. But the monetary reward is substantial. If you want more information, feel free to pm me. -Steve
 
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