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Red hot Catylitic Converter?

Post questions and answers about various Intake Systems, Ram Air, Superchargers, Turbo, exhaust systems, headers...

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Post
ti4u
Posted: Mon Apr 25, 2011 8:48 am
Joined: Sun Dec 02, 2007 11:14 am
Location: Ohio
Posts: 5
I have a 1998 Camaro Base V6. I have 2 codes low voltage maf and low voltage TPS. I cleaned both and was running car to get it warmed up. Then I noticed the drivers side manifold started getting red hot. I shut car off ran to check Cat and it was red hot too. Im guessing I have a bad Cat. I have a couple questions.


1.) Will a bad Cat cause the 2 codes I mentioned?

2.) Can I cut out Cat and put in a straight pipe and would it need to be reprogrammed? ( in Ohio)


Thanks
 

Post
ins0mnia24
Posted: Mon Apr 25, 2011 5:49 pm
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Location: New Jersey
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Where Did You Hear Of Camarosource.ca?: Boobs
The Maf shares that same harness as the O2 Sensor's so it is not out of the ordinary that a problem with one or the other will mess up the readings of the other..
What did you clean the Maf with? Maf or Contact cleaner?? I hope..


The only way to get away with gutting the cat in your car without actually reprogramming the cars pcm is to buy a rear o2 Simulator it plugs in in place of the o2 sensor and sends a dummy signal to the cars Pcm making the cars Pcm think that the rear O2 Sensor is still operating properly.. They are like 50 bucks..
The cars Pcm does not use the rear O2 Sensor reading to actually run the car and adjust Air/fuel ratios it is just there to tell if the Cat is working it will not affect how the engine runs it will just set off the SES light to tell you the cat or rear o2 is not working
The cars Pcm only use's the front 2 O2 Sensor readings for actually running the engine..
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Post
ti4u
Posted: Mon Apr 25, 2011 6:14 pm
Joined: Sun Dec 02, 2007 11:14 am
Location: Ohio
Posts: 5
Thanks for the reply. Yeah I used Maf cleaner. Someone told me u can make a dummy O2 sensor. Im goin to look into that.
 

Post
Jeff Dodson
Posted: Mon Jun 15, 2015 5:07 pm
Joined: Wed Jun 03, 2015 6:20 pm
Posts: 1
Where Did You Hear Of Camarosource.ca?: Camaro forums
Well contimplated removing the Cat on my 97 Z28. Cat Needs replaced. Was going to put a High flow on it. But open to THIS GUTTING IT. if I did this and this dummy 02. Will it still pass inspection in Texas. I mean NOT THROW THAT CODE ?
 

Post
86blackiroc
Posted: Sun Jul 05, 2015 9:18 pm
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Location: West Jefferson, Ohio
Posts: 444
Jeff Dodson wrote:
Well contimplated removing the Cat on my 97 Z28. Cat Needs replaced. Was going to put a High flow on it. But open to THIS GUTTING IT. if I did this and this dummy 02. Will it still pass inspection in Texas. I mean NOT THROW THAT CODE ?


I'm not sure you can buy the O2 simulators anymore? But it would work if all they do is check for codes.

But on the other hand, a stock cat can be rather valuable if sold to a recycle outfit. Could pay for half of a new high flow cat, and be legal too.
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'86 IROC-Z 350tpi with some stuff, T56 six speed
'85 IROC-Z 305tpi, rare silver, project
'84 Z-28... the spare parts project
 


 

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