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01-03-2017, 12:52 PM
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#1 |
 Drives: Hyper Blue 16' M6 1ss Join Date: Dec 2015
Location: Houston TX
Posts: 194
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Code P0174 - Bank 2 system is too lean
I had this code pop up yesterday and i am trying to figure out the cause.
Mods are the following: MSD intake ARH 2" headers and high flow cats E85 kit and tune Could this be a intake leak, header leak or something else? Also, anyone in the Houston area have a HP tuners so i can get a data log? Thanks |
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01-03-2017, 01:21 PM
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#2 | |
Drives: 2016 Camaro SS Join Date: Oct 2016
Location: Mount Dora, FL
Posts: 792
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Quote:
Is there anyone in his area that would be willing to help out? Thanks! Tim |
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01-03-2017, 01:30 PM
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#3 |
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Drives: Hyper Blue 16' M6 1ss Join Date: Dec 2015
Location: Houston TX
Posts: 194
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i really want to start ruling things out today. I will post a video this evening to see if anyone thinks the car might have a exhaust leak. Maybe headers are tightened enough or the gaskets are leaking. Installer said he reused the stock gaskets from GM, not the ARH provided ones.
I will also get some intake manifold cleaner and spray around the intake and hoses to see if there is a rise in RPM. I am not sure how i can tell if the MSD intake manifold it self might be causing issues. |
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01-03-2017, 01:45 PM
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#4 |
        
Drives: 2016 Hyper Blue 1SS Join Date: Jul 2015
Location: hampton roads
Posts: 2,763
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I had same code, cleared it, tuner checked out the data logs, no problems. No codes since and I beat on my car daily.
__________________
1ss/Auto-Hyper Blue
acs carbon flash spoiler, bmr springs, gm clear tails. Texas speed cam, 223/227 .635/.635 116 LSA, Kooks Long Tube Headers with green cats, MSD Atomic Air Force Intake, CAI Cold Air Intake, QTP cutouts. 503 hp Best so far 11.5 at 123 with a 1.83 60ft. BMR lower and upper trailing arms and upper control arms,E85 DELIVERED 12/29/15 http://youtube.com/bybcous " no talking only racing on my youtube" |
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01-03-2017, 01:51 PM
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#5 |
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Drives: Hyper Blue 16' M6 1ss Join Date: Dec 2015
Location: Houston TX
Posts: 194
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My car is running rough too.
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01-03-2017, 02:17 PM
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#6 |
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Drives: 2016 Camaro SS Join Date: Oct 2016
Location: Mount Dora, FL
Posts: 792
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It's likely loading up on fuel.
Tim |
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01-03-2017, 02:40 PM
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#7 |
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Drives: Hyper Blue 16' M6 1ss Join Date: Dec 2015
Location: Houston TX
Posts: 194
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After looking around i noticed i have some bolts missing on my MSD intake manifold. Could this possible cause the issue?
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01-03-2017, 02:41 PM
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#8 |
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Drives: Hyper Blue 16' M6 1ss Join Date: Dec 2015
Location: Houston TX
Posts: 194
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These would be at the front of the intake near the throttle body.
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01-03-2017, 02:42 PM
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#9 |
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Drives: 2016 Camaro SS Join Date: Oct 2016
Location: Mount Dora, FL
Posts: 792
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It looks like it was never installed on the last pic. A leak between the two halves would definitely cause a problem.
Tim |
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01-03-2017, 02:47 PM
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#10 |
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Drives: Hyper Blue 16' M6 1ss Join Date: Dec 2015
Location: Houston TX
Posts: 194
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MSD is mailing me the bolts. Is there some kind of temporary fix i can do?
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01-03-2017, 03:06 PM
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#11 | |
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Drives: 2016 Camaro SS Join Date: Oct 2016
Location: Mount Dora, FL
Posts: 792
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Quote:
Tim |
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01-03-2017, 03:06 PM
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#12 |
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Drives: 2016 Camaro SS Join Date: Oct 2016
Location: Mount Dora, FL
Posts: 792
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Pull one out and go to Lowes/Home Depot. Get a bolt that is same length /thread in the specialty section. Grab some washers.
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02-07-2020, 10:44 AM
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#13 |
Drives: 2016 2ss Camaro Join Date: Oct 2013
Location: Alabama
Posts: 119
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I know this is old but I had the same code and it was a bad 02 on the drivers side. PO171 would indicate a bad o2 on the passengers side.
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 HBM 2016 2SS A8 NPP427 Pray Head/Cam/Converter, Pray Ported Highram, 103mm TB, Pray Tuned, 3030 Drag Pack, Roark OTR CAI, TSP Headers, E85, UDP Best times 1/4 n/a 9.23@146.96, 1/8 5.91@118 |
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