Northern CO Performance Shop to Fix Some Issues? - Cherokee SRT8 Forum
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post #1 of 9 (permalink) Old 11-16-2012, 07:45 PM Thread Starter
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Northern CO Performance Shop to Fix Some Issues?

So I have an '07 with a Vortech, headers and no cats that runs extremely rich. Apparently there might be something wrong with the passenger side O2 sensor wiring. Any suggestions ideally in Northern CO (I'm in Cheyenne, WY)? It would be nice to not coat the back of my Jeep in soot and gain gas mileage and proper performance. Thanks.

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post #2 of 9 (permalink) Old 11-18-2012, 09:04 PM Thread Starter
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Any suggestions?
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post #3 of 9 (permalink) Old 11-18-2012, 09:16 PM
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Who has tuned it? Do you have an afr gauge?

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post #4 of 9 (permalink) Old 11-18-2012, 10:23 PM Thread Starter
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Mods installed by the previous owner and I'm not sure what shop otherwise I would start there. No AFR.
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post #5 of 9 (permalink) Old 11-19-2012, 02:05 AM
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Do you have a trinity? If so buy a afr gauge and and log it and send it to one of the reputable tuners on this forum. Afr gauge is a must....especially up here now that its super cold and even the quality of gas changes in the winter. Pm if you have any other questions.
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post #6 of 9 (permalink) Old 11-19-2012, 11:09 PM
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Get a trinity or a predator, if you don't have one already and a wide band afr gauge and then go see Harvey in Longmont and have him tune it.

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post #7 of 9 (permalink) Old 11-29-2012, 12:09 PM
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As others said get a wideband. I would contact either Johan or Jerseyboy and get them to start tuning it for you tho. They can get you a baseline that is probably more in line than what you have right now. My guess is that it was tuned at a lower elevation and then the truck was brought up here.

Less air + same amount of fuel = SUPER RICH


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post #8 of 9 (permalink) Old 11-29-2012, 06:44 PM Thread Starter
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Thanks for the replies. I should've provided more info in my initial post. I believe the Jeep has been in CO from the beginning. I have a Predator that I sent logs to Johan with. The passenger side O2 for some reason reads 33% even at idle. The O2s have been replaced and Johan suggested that it's probably a wiring problem of some sort. I suck with electrical stuff and a shop locally couldn't figure out the issue. I've been meaning to pick up a wideband but didn't want to ruin the sensor if I wasn't able to get it fixed quickly. I'll probably pick one up and setup an appointment down there.
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post #9 of 9 (permalink) Old 11-29-2012, 06:51 PM
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Sounds like you may have the O2s in the wrong locations. Check and make sure you don't have them in the wrong location or there isnt a wire melted on a header.

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