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Old 03-29-2012, 12:02 PM   #1
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2002 mustang gt

I have a 02 mustang gt,the check engine light is on because of a after market cat converter.I have had the car since may of 2011 and it's inp sticker time soon.I have been told to reset the computer and drive 100 mi and it will pass inp,but I would like to fix the problem.I have had in a shop but it's something they coudnt fix,they said go back to reg stock cat converter.any help would be great ,thanks
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Old 03-29-2012, 12:13 PM   #2
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Originally Posted by Mustang gt 2002
I have a 02 mustang gt,the check engine light is on because of a after market cat converter.I have had the car since may of 2011 and it's inp sticker time soon.I have been told to reset the computer and drive 100 mi and it will pass inp,but I would like to fix the problem.I have had in a shop but it's something they coudnt fix,they said go back to reg stock cat converter.any help would be great ,thanks
Is it a high flow cat?... If so then I would get a tuner and tune the car!.. Problem solved plus gain some extra HP!...
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Old 03-29-2012, 04:11 PM   #3
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Re: 2002 mustang gt

does that (tuner) really 'solve' the problem??? i thought it just kept lite from coming on, but o2's still throw codes which get logged. in ny they actually read the computer and don't just look to see if CEL is on

along same lines, do mil elim's just keep lite from coming on, or do they actually prevent the codes from being thrown?
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Old 03-29-2012, 04:39 PM   #4
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Originally Posted by imhooked
does that (tuner) really 'solve' the problem??? i thought it just kept lite from coming on, but o2's still throw codes which get logged. in ny they actually read the computer and don't just look to see if CEL is on

along same lines, do mil elim's just keep lite from coming on, or do they actually prevent the codes from being thrown?
I would assume the MILs just keep the light off but the tuner actually keeps codes from getting logged because it tells the computer that your cats are there so the PCM doesn't throw any codes because everything checks out
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