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Thread: O2 Sensors
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07-06-2008, 09:19 PM #1
- Join Date
- Mar 2008
- Location
- Manama, Bahrain
- Age
- 45
- Posts
- 139
Red- 1998 Trans Am WS7
O2 Sensors
Just installed my OBX LT headers with loud mouth 2 cat back. im getting a 420 code, which is for the cats. The cats are high flow. I bought a max energy hypertech unit and put that tune on it. Is there an easy way to fix this, am i missing something?
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07-07-2008, 12:21 AM #2
it happens a lot with hi flow cats, they work but not enough to keep the rear o2s happy
what programmer are you using?
your best bet is to delete the rear o2s in the computer if you have hptuners program l can walk you through it
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07-07-2008, 09:33 AM #3
- Join Date
- Mar 2008
- Location
- Manama, Bahrain
- Age
- 45
- Posts
- 139
Red- 1998 Trans Am WS7
bought the Max Energy hand held from Hypertech. I know i need to ditch it and go with a real tuner. Im not too sure about tuning he car like that yet, no dyno close to here.
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07-07-2008, 03:25 PM #4
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07-07-2008, 05:37 PM #5
- Join Date
- Mar 2008
- Location
- Manama, Bahrain
- Age
- 45
- Posts
- 139
Red- 1998 Trans Am WS7
yeah, i know i need to do it. id like to sell the hand held and go hptuners. is it software, and would i use my laptop to tune it?
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07-07-2008, 09:08 PM #6
yup, comes with the program on a cd that you download on your laptop and it has a cable with a usb port on one end, odb2 connector on the other and in the middle of it is a little (brain box) that decode and let's you rewire your car computer
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