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PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Is this going to keep happening?

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Old Mar 27, 2008 | 03:09 PM
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Default Is this going to keep happening?
I just threw I in headers with no cats and got a dyno tune. My check engine light came on today. I havent checked it out yet, but pretune it was throwing cat codes, so Im thinking its that. Since Im not running rear 02's or simulators...(the oem connectors are just hanging), will this code keep coming up until I do so?

Ps the tuner said he deleted the rear o2's so.....??
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Old Mar 27, 2008 | 03:11 PM
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If they are P0420/P0430, he did not delete them.
They could be something different though, so you should have them checked first, then consult with the tuner.
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Old Mar 27, 2008 | 03:31 PM
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greeaaaaatttt, this isnt looking good.
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Old Mar 27, 2008 | 05:53 PM
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Its p1153 and p0155
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Old Mar 27, 2008 | 06:50 PM
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bad right side front o2 sensor, heater going bad don't got warm enough to read exhaust properly.
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Old Mar 27, 2008 | 07:39 PM
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Originally Posted by 04ctsvfl
Its p1153 and p0155
Any chance you just added longtubes?
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Old Mar 27, 2008 | 07:57 PM
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Yes I did just ad longtubes.

bad right side front o2 sensor, heater going bad don't got warm enough to read exhaust properly
How can I fix this. Is the whole 02 sensor bad, or just the connections.
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Old Mar 27, 2008 | 08:14 PM
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Originally Posted by 04ctsvfl
Yes I did just ad longtubes.



How can I fix this. Is the whole 02 sensor bad, or just the connections.
Lol, how did I know...
Its most likely that the harness either got pinched or burned on the headers.
Seems to happen waaaay to often. Get under the car and check the harness.
If you have a scan tool you can monitor the O2s to see if they are switching at all.
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Old Mar 27, 2008 | 08:17 PM
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its been my experience that the company's building these tubes don't orient the o2 bung in quite the right place and it causes these codes. you can either move the o2's or delete the code. thats about your only option.
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Old Mar 27, 2008 | 08:28 PM
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I live a good way from my tuner, nor do I really know anyone with hptuners. So how can I check if my 02's are working.....will the free scanner thing at autozone work?
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Old Mar 27, 2008 | 09:11 PM
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Originally Posted by 04ctsvfl
I live a good way from my tuner, nor do I really know anyone with hptuners. So how can I check if my 02's are working.....will the free scanner thing at autozone work?
Where are you?
Who tuned the car for you?
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Old Mar 27, 2008 | 09:25 PM
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*cries* another one is having the same issue, and yet NO one has been able to come up with an answer.
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Old Mar 27, 2008 | 10:48 PM
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Tallahassee; West Palm Beach for part of the summer.

Chris Adams at RevXtreme in Tampa tuned her.
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Old Mar 28, 2008 | 07:57 AM
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you can just kill the 1153 code, as it doesn't make a difference. I believe i stated this in another of your threads
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Old Mar 28, 2008 | 08:34 AM
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Originally Posted by 04ctsvfl
Tallahassee; West Palm Beach for part of the summer.

Chris Adams at RevXtreme in Tampa tuned her.
Cool, well, if you're in WPB and need this taken care of,let me know.

Thanks
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Old Mar 28, 2008 | 08:52 AM
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ses light shouldnt be on if rear 02 codes were deleted. check the codes and get back
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Old Mar 28, 2008 | 12:34 PM
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What would something like that run me Mike? And is muy car running any differently because of these codes? Ie...open loop, rich/lean, pulling timing???? Thanks
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Old Mar 28, 2008 | 02:19 PM
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Nah, it likely running fine, unless that O2 is not switching...it could be stuck in open loop...which would be running rich.

I still say it is in the harness, but the codes could be deleted no prob.
I'd check the harness for burns/rips and fix or replace as necessary.
If its still an issue, and you want to swing by, we'll hook you up.

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Old Mar 28, 2008 | 02:51 PM
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Im using Hptuners tho. Not by my choice, but by the tuners
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Old Mar 28, 2008 | 03:15 PM
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Originally Posted by 04ctsvfl
Im using Hptuners tho. Not by my choice, but by the tuners
No biggie...
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