Results 1 to 19 of 19
Thread: Catalytic Converters?
-
01-19-2009, 07:50 PM #1
Catalytic Converters?
Can you take off your catylic converters and not mess any of the sensors up??
-
01-19-2009, 08:30 PM #2
- Join Date
- Feb 2006
- Location
- Tinker AFB, Oklahoma
- Age
- 39
- Posts
- 185
Midnight Blue- 2000 Camaro Z28
do you plan on taking your cats off for good or just replacing them? if you're taking them off completely, you're going to pop a code for your rear O2 sensors which can be tuned out. but if you're replacing them, just put the rear O2 sensors back into the new cats and they'll be fine.
-
01-19-2009, 10:17 PM #3
When I had my long tubes and ORY done the guy plugged his laptop in and deleted the rear O2 sensors(or so he said) and I had no dash lights and my car will pass OBD2 plug in state inspection as long as I go to a station that doesn't look under the car.
1998 Trans Am 85k miles.
Bolt ons, MS3 113LSA cam, Circle D Stall, Tune, Modified WS6 style hood, Full Suspension, 6000k HID's, Clear Side Markers w/ Leds, Led 3rd Brake Light and 18" AR Staggered Killer Wheels w/ BFG KDW NT's.- Weekend Toy/DD
02 Trailblazer -Sold
09 Ram 1500 CC - Sold
09 Cobalt SS/TC - Sold
13 ram 1500 LoneStar CC 4x4 - Magnaflow, K&N,and more to come-DD/Toy
-
01-20-2009, 12:15 AM #4
exactly what they said. if you take the cats off and do not get the rear o2s tuned out your check engine light will come on (low catylist code)....i ran mine like that for about 4 months with no problems before I tuned my car.
you don't really delete the rear o2s from the computer, you set the computer to not report it as an error
-
01-20-2009, 12:55 PM #5
-
01-20-2009, 01:08 PM #6
Well you got 4 options........
Option 1... do as above and get the rear O2's tuned out (probably best way b/c you will need your ecu reprogramed to get it running at its best)
Option 2... Find some O2 simulators, and put them on, but you may haveto do some looking b/c somone said they arent makeing them anymore... but if your electronicly handy they can also be made with resistors....
Option 3... leave them on and zip tie them up somewhere so they will read "cleaner" ambient air, then they will probably not throw a code unless they are the style that sense temp, but this will still keep the motor from going into limp mode
Option 4... weld in a rear bung into your y-pipe (further back is best) and get i believe its a spark plug extension but it brings the plug out of the main stream of gas and less gas thus making it think that everything is working just fine..
-
01-20-2009, 01:57 PM #7
hmm I might just leave them in and get high flows when I get headers
-
01-27-2009, 09:34 AM #8
- Join Date
- Aug 2008
- Location
- Texas
- Posts
- 11
black- 2002 trans am
did you ever take the catylic converters off of your car if so how did it run
-
01-27-2009, 12:28 PM #9
Nahh I havent yet but I will prolly just put some high flows on so it wouldnt mess anything up
-
01-27-2009, 04:08 PM #10
-
01-27-2009, 04:26 PM #11
- Join Date
- Jun 2007
- Location
- Parma Heights, Ohio
- Age
- 34
- Posts
- 889
SOM- 99 Trans Am
or the option i went with (due to inspections). I have headers and a off road y. Since they look under the car here, i some old cats, gutted them, welded them about where the stockers were and had the rear O2's turned off.
-
01-27-2009, 04:30 PM #12
-
01-27-2009, 04:35 PM #13
I took my cats off months ago and no problems. Also dont have the AIR and EGR on any more...been like a year. Still have Check Engine light on. Will get a tune sometime this spring
-
01-27-2009, 04:42 PM #14
-
01-27-2009, 04:45 PM #15
Oh...also have Long Tube headers and a y pipe "with" cats. Cats are guttet, just for looks in case THE MAN takes a peek underneath.
-
01-27-2009, 07:13 PM #16
- Join Date
- May 2008
- Location
- Verdigris, OK
- Posts
- 2,165
NBM- 99 z28
-
02-07-2009, 10:59 AM #17
See I wanna take my cats off without that light coming on
-
02-07-2009, 04:39 PM #18
Just get them tuned out. Even if your gonna run high flows with long tubes it's still a good idea. Often with long tubes and the cats being further downstream they won't heat up as high which can lead to codes being thrown. Having them tuned out your car will basically pass emmitions for the rest of it's life. They can be tuned out via a mail order tune if need be.
-
02-07-2009, 05:17 PM #19
hmmm I dunno When I get headers I might just get high flows
Thread Information
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
Similar Threads
-
WTB: OEM Catalytic Converters
By Atmosfear in forum Parts Wanted / TradeReplies: 1Last Post: 03-20-2011, 03:51 PM -
Catalytic Converters
By Nastyfoot in forum Almost Anything GoesReplies: 6Last Post: 03-06-2008, 05:36 PM -
WTB: $140 GM Catalytic Converters
By LS1BlackBird99 in forum Parts Wanted / TradeReplies: 78Last Post: 01-06-2008, 03:35 PM -
catalytic converters
By bulljock in forum General HelpReplies: 21Last Post: 10-08-2007, 08:37 PM -
Catalytic converters
By samson_420 in forum External EngineReplies: 4Last Post: 10-08-2007, 07:40 PM
Bookmarks