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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 10-04-2005, 09:26 PM   #21
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Quote:
Originally Posted by Rogue
P0420 is common after a hi flow cat or header installation. You will need an 02 Sim or have the code programmed out.
ok, thank you Todd , do the o2 sim come with install instructions?

again.

Mike
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Old 10-05-2005, 09:12 AM   #22
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Disconnect your rear 02 sensor and plug the sim into the wire harness. Tuck it up out of the way. You can either leave the rear 02 sensor in and tie the wire out of the way or pull it out and plug the hole.
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Old 10-05-2005, 08:23 PM   #23
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Quote:
Originally Posted by Rogue
Disconnect your rear 02 sensor and plug the sim into the wire harness. Tuck it up out of the way. You can either leave the rear 02 sensor in and tie the wire out of the way or pull it out and plug the hole.
Thank you Todd

do i have to protect the sim from under car debris or dust?
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Old 10-05-2005, 10:10 PM   #24
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Wouldn't hurt. I know on my car there is a heat shield around the rear 02 wire to shield it from the exhaust. I think you can just just tuck it up into there.
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Old 10-05-2005, 11:37 PM   #25
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Nice!


i will order the sim as soon as i can.
i have to do a 1500km trip this weekend, is it dangerous for a long ride to run with that code?

i mean is it only a code or i run too rich for real because that the PCM is adjusting ?


Mike

( sorry for so many question, i like to learn more about my bonneville )
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Old 10-06-2005, 12:04 AM   #26
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The rear 02 has no affect on your fueling it is only there to gauge the performance of the cat.
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