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Old 08-30-2013, 02:13 PM   #1
antperri1222
 
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check engine light went on. code p0174

hey guys so i just bought a 2010 camaro ss manual. the check engine light came on and i brought it in to get scanned and it came back saying system too lean bank 2. there is a aftermarket borla exhaust on it, noweeds exhaust diverter system, and CAI. I asked and checked around and i heard that it probably is an o2 sensor problem. anyone have any information on this? thanks
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Old 08-30-2013, 02:31 PM   #2
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Try looking at this. http://www.obd-codes.com/p0174
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Old 08-30-2013, 02:37 PM   #3
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I recall reading about issues related to 2 different types of MAF sensors for the SS's. Just spit-balling.
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Old 08-30-2013, 02:39 PM   #4
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Check for exhaust leaks pre to the o2 sensor. If there is no exhaust leak swap the o2 sensors between the banks. If the problem switched to the other bank then it is the sensor.
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Old 08-30-2013, 02:55 PM   #5
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Quote:
Originally Posted by antperri1222 View Post
hey guys so i just bought a 2010 camaro ss manual. the check engine light came on and i brought it in to get scanned and it came back saying system too lean bank 2. there is a aftermarket borla exhaust on it, noweeds exhaust diverter system, and CAI. I asked and checked around and i heard that it probably is an o2 sensor problem. anyone have any information on this? thanks
I wish NoWeeds werent a 1000 dollars lol They are so awesome
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Old 08-30-2013, 04:00 PM   #6
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I wish NoWeeds werent a 1000 dollars lol They are so awesome
They are worth every $$$ trust me!

Op, just to clarify, no headers or high flow cars right???
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Old 08-30-2013, 06:36 PM   #7
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Has full exhaust, stainless headers, stainless highflow cats, borla arak exhaust, no weeds diverters, Hennessy CAI and custom tune.
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Old 08-30-2013, 06:39 PM   #8
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the tune needs to be adjusted.
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Old 08-30-2013, 07:01 PM   #9
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Hmm you guys think it still allright to drive the car?
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Old 08-30-2013, 07:03 PM   #10
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Hmm you guys think it still allright to drive the car?
Yes, but don't gun it.
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Old 08-30-2013, 07:55 PM   #11
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The previous owner said it has happened to him before and it went away after awhile and he said its probably the tune. How come the tune affects it?
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Old 08-30-2013, 08:19 PM   #12
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If it is the tune, you should get the error on the other bank too (P0171). But as long it is on one bank I advise you to check for vacuum/exhaust leaks then sensor.

You can do some datalogging to check how the sensors voltage switching between rich and lean, response and performance. Also comparing the two banks.
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Old 08-30-2013, 09:38 PM   #13
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My guess would be the tune as well
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Old 09-03-2013, 12:10 PM   #14
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Hey guys so I switched the o2 sensors from one bank to another and the same code was still on there. I had it cleared and 2 more codes came up p 420 and p 430. Help!
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