what can cause catalytic failure
heres a link i found. straight forward easy to understand stuff. might help someone.
http://www.car-sound.com/04basics/04failures.asp |
nice find :icon_tup:
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Yes. Very good info.
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thanks for sharing!
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Answer : Human beings.
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It a catalytic convertor gets clogged or a meltdown occurs can that be seen by looking down the pipe?
I noticed that all the examples had the catalytic cut in half to show the damage. :scratchhe |
No wonder our 8's have so many catalyst failures - we have all the characteristics that destroy converters (and more?):
- more unburned fuel than a piston engine entering exhaust causing higher EGTs and carbon buildup - oil being added to the combustion process via the OMP and Premix causing even more carbon generation - carbon buildup fouling the plugs and amplifying the unburned fuel problem - all this super heating and clogging the converter at the same time - all this excess converter heat backing up causing higher engine/exhaust/combustion temps - More heat stress on all engine components What to do? Glad I run FP60. |
So i thought mine was failing this week and it turns out i needed 4 new plugs and 4 new coils.. and it probably was failing, because needing 4 new plugs and 4 new coils would cause the damn thing to eat unburnt fuel..
they shoulda replaced it.. blah.. dealerships.. |
Samething we been saying for years, but another sight helps those that question us.
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Originally Posted by 4 years to Supercharge
It a catalytic convertor gets clogged or a meltdown occurs can that be seen by looking down the pipe?
I noticed that all the examples had the catalytic cut in half to show the damage. :scratchhe When he show me the *dead cat*, it was actually all empty inside .... damn now when I think of it, I should've asked him *Can I keep it?* lol guess not, I think dealerships need the old parts to get credit for new parts. |
Even though an RX-8 runs rich, too lean will burn up the cat too. Your EGT will increase with a lean condition also.
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