Cat Failures - Maserati Forum
 
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post #1 of 5 Old 01-08-2017, 03:22 PM Thread Starter
 
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Cat Failures

On the Ferrari Chat forum there's a guy saying for Maserati's "Cat/pre-cat failure on US cars is extremely common". When I search this forum I don't find that and the few I've found seem to be a result of damage to the cat due to bottoming. Tech guys what's the real story here???
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post #2 of 5 Old 01-08-2017, 06:22 PM
 
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Not a tech guy, but I have looked at the Quattro forum for engine/F1 system info and find a fair number of failures there. Not that many coupes/spyders in the US have high enough miles to see a significant number of failures.

However, there does not appear to be a large number of used primaries on the market and I doubt the recyclers are throwing them away.

2003 spyder cambiocorsa 91K mi.
1997 Jaguar XK8 conv. 98K mi.
1995 Jaguar XJ6 135K mi.
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post #3 of 5 Old 01-08-2017, 07:02 PM Thread Starter
 
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Quote:
Originally Posted by RJ237 View Post
Not a tech guy, but I have looked at the Quattro forum for engine/F1 system info and find a fair number of failures there. Not that many coupes/spyders in the US have high enough miles to see a significant number of failures.

However, there does not appear to be a large number of used primaries on the market and I doubt the recyclers are throwing them away.
Yes, if you look at the Larini site they say there's a problem, but is that just marketing?
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post #4 of 5 Old 01-08-2017, 08:10 PM
 
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I have not seen any catalytic failures on these cars so I wouldn`t say it`s extremely common as we work on our fair share...Most catalytic failures are the result of misfires the melt the honeycomb inside the cat....I have heard M138 cars can just come apart, but I have not seen it yet...Jason

ASE Master Tech. 28 years experience
Guru in Atlanta of Jaguar V12 & XJS cars.
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post #5 of 5 Old 01-09-2017, 04:20 AM
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I can think of maybe 3 cases in the 4 ish years I've been reading the forums. 'Just come apart' possibly. Bit difficult to tell if smacking into the ground is not the cause

I'd suggest the Ferrari perception does not really match reality

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