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Old 07-07-2005, 06:54 AM   #1 (permalink)
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Question New catalytic converter?

The other day I noticed my 98 Amigo lost a lot of power. On my way home from work, the "check engine" light came on. This morning the light came on then started flashing. The truck started sputtering and started to smell terrible. I suspect the converter might be clogged. Is this correct? Has anyone else ever had this problem? If so, should I replace it with the cat-back? The engine is the 2.2L.
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Old 07-07-2005, 07:23 AM   #2 (permalink)
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Rotten egg smell usually means the engine is running too rich and the cat is trying to burn off the unburnt fuel...any number of possible causes, I would make sure the engine is running right before replacing the cat. For example, if a cylinder dropped out due to a bad plug wire, that would cause the symptoms you describe. But there are quite a few other possibilities too.
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Old 07-07-2005, 07:58 AM   #3 (permalink)
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I'll see what codes come up on the scanner when I get home tonight.
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Old 07-07-2005, 08:02 AM   #4 (permalink)
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Quote:
Originally Posted by BrknMigo
If so, should I replace it with the cat-back? The engine is the 2.2L.
A cat back is just a fancy word for a muffler with pipe attached. It will do zero to your cat problem.
Install a new cat and get your rig sniffed with a 4 gas exhaust analyzer.
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Old 07-07-2005, 08:26 AM   #5 (permalink)
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Quote:
Originally Posted by Old Scout
A cat back is just a fancy word for a muffler with pipe attached. It will do zero to your cat problem.
Install a new cat and get your rig sniffed with a 4 gas exhaust analyzer.
Should I go with the high flow cat that Matt offers? I don't know if I really want to spend $270 on the stock converter...
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Old 07-07-2005, 08:48 AM   #6 (permalink)
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Quote:
Originally Posted by BrknMigo
Should I go with the high flow cat that Matt offers? I don't know if I really want to spend $270 on the stock converter...
Were are you? There are all sorts of funky laws with smog equipt on OBDII rigs.
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Old 07-07-2005, 09:48 AM   #7 (permalink)
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Maryland, we got some of the toughest smog laws in the nation
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Old 07-07-2005, 12:44 PM   #8 (permalink)
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here you go. i looked at these 1st hand at SEMA show last year........nice product.:

OBDII compliant Cats:

"Eastern catalytic converters are OBD II compliant in 49 states only. (Not for installation on OBD II equipped vehicles in California)"

"Eastern Tru Performance™ Catalytic Converters:
Eastern Tru™ Performance Catalytic Converter's high flow "brick" features 300 holes per inch to deliver 8% less backpressure for increased horsepower and torque. Our patented catalyst chemistry lets us meet OBD II compliance in 49 states (OBDII Converters not legal for sale or use in California) even with the reduced surface area created by larger holes.
Built from mirror-polished stainless steel available in a wide range of inlet and outlet sizes. (TRU PERFORMANCE CONVERTERS Legal in California ONLY for racing vehicles which may NEVER be used upon a highway)

300 holes per inch brick yields 8% less backpressure
304 Stainless Steel shell and shields
Polished to 4/11 Mirror Finish "


http://www.easterncatalytic.com/high_performance.htm


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Old 07-07-2005, 01:28 PM   #9 (permalink)
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Thanks a lot Matt. I appreciate it.
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Old 07-10-2005, 08:26 AM   #10 (permalink)
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Matt are these cats the ones you have on your site. When I get back from vacation, I'm gonna need two high flow cats and two mufflers... gonna go dual exhaust!

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