P0171 thrown. - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Dznts · 02-17-2014, 12:46 PM

Just curious if anyone knows much about it. I ran a cel check and it shows bank. 1 to be lean. Car doesn't seem to be running abnormal or anything. The light came on while I was on a short road trip. Is the car safe to drive back home? Thanks in advance.

JANNETTYRACING · 02-17-2014, 12:54 PM

Quote:

Originally Posted by Dznts

Just curious if anyone knows much about it. I ran a cel check and it shows bank. 1 to be lean. Car doesn't seem to be running abnormal or anything. The light came on while I was on a short road trip. Is the car safe to drive back home? Thanks in advance.

Could be a number of simple things, vacuum leak, dirty MAF, Exhaust leak can all set a Lean code on a single bank

The computer will add the correct amount of fuel for Normal Driving to cover up the problem but set the code so you know there is something not right.

If you Drive Normal you will not hurt anything.

But a good visual check may quickly find the problem, Vacuum leaks are most common issue.

If you need help give me a call.

Ted.

Dznts · 02-17-2014, 01:14 PM

Thanks for the info and help Ted!

JANNETTYRACING · 02-17-2014, 01:16 PM

Quote:

Originally Posted by Dznts

Thanks for the info and help Ted!

Any Time Friend.

Ted.

Dznts · 02-17-2014, 07:22 PM

well i drove the car again, and i am hearing something weird. When i let off the gas I am hearing a "squeak" noise. I was able to get some video of the said noise. I will post ASAP.

Dznts · 02-17-2014, 07:31 PM

jessrayo · 02-17-2014, 07:59 PM

I was going to say I got that code when the front O2 sensor on bank one went out but I did not have any noises like you have there. That is very strange. I'm guessing a person has to be there in person to hear it clearly but just from a raw video it sounds like something is bouncing around inside the plastic intake tube. I'm wonder how the MAF sensor is attached in your system.

Dznts · 02-17-2014, 08:00 PM

i hope it isnt anything serious.

jessrayo · 02-17-2014, 08:16 PM

Quote:

Originally Posted by Dznts

i hope it isnt anything serious.

Well you need to figure it out....lol. I would avoid heavy application of the throttle while you hear that noise. Is your fuel mileage being affected? Like are you getting really poor gas mileage in the car now? Because if the sensor thinks it is lean and the sensor is wrong it tries to fix a problem that doesn't really exist by throwing gas at it. I'm leaning more toward a problem somewhere in the intake system though.

Dznts · 02-17-2014, 08:26 PM

Quote:

Originally Posted by jessrayo

Well you need to figure it out....lol. I would avoid heavy application of the throttle while you hear that noise. Is your fuel mileage being affected? Like are you getting really poor gas mileage in the car now? Because if the sensor thinks it is lean and the sensor is wrong it tries to fix a problem that doesn't really exist by throwing gas at it. I'm leaning more toward a problem somewhere in the intake system though.

Haven noticed anything, it just came on when I jumped on the interstate. Wasnt driving it hard or anything. I just noticed the noise this evening after i was leaving the gym.

jessrayo · 02-17-2014, 08:29 PM

I keep listening to that recording and I'm trying to figure out where you are when you recorded it. Is that in the car, behind the car or standing over the engine with the hood open? You said you heard it driving so I'm wondering if that is what you hear in the car.

jessrayo · 02-17-2014, 08:34 PM

Then my next question would be can you hear it more clearly in one of those other locations. Are you back at home now?

Dznts · 02-17-2014, 08:38 PM

Quote:

Originally Posted by jessrayo

I keep listening to that recording and I'm trying to figure out where you are when you recorded it. Is that in the car, behind the car or standing over the engine with the hood open? You said you heard it driving so I'm wondering if that is what you hear in the car.

i was standing at the drivers door hitting the gas and leaning over the driver side fender. its definitely coming from the driver side from what i can tell. only reason i heard it when i was driving was i had the windows down, and when the rpms dropped you could hear it pretty good.

JANNETTYRACING · 02-18-2014, 07:14 AM

Quote:

Originally Posted by Dznts

i was standing at the drivers door hitting the gas and leaning over the driver side fender. its definitely coming from the driver side from what i can tell. only reason i heard it when i was driving was i had the windows down, and when the rpms dropped you could hear it pretty good.

Exhaust leak.

02-17-2014, 12:46 PM	#1
Dznts Anabolic Connoisseur Drives: Sold - Blown Camaro 2SS/RS LS3 Join Date: Sep 2010 Location: Oklahoma Posts: 22,094	P0171 thrown. Just curious if anyone knows much about it. I ran a cel check and it shows bank. 1 to be lean. Car doesn't seem to be running abnormal or anything. The light came on while I was on a short road trip. Is the car safe to drive back home? Thanks in advance. __________________

02-17-2014, 01:14 PM	#3
Dznts Anabolic Connoisseur Drives: Sold - Blown Camaro 2SS/RS LS3 Join Date: Sep 2010 Location: Oklahoma Posts: 22,094	Thanks for the info and help Ted! __________________

02-17-2014, 07:22 PM	#5
Dznts Anabolic Connoisseur Drives: Sold - Blown Camaro 2SS/RS LS3 Join Date: Sep 2010 Location: Oklahoma Posts: 22,094	well i drove the car again, and i am hearing something weird. When i let off the gas I am hearing a "squeak" noise. I was able to get some video of the said noise. I will post ASAP. __________________

02-17-2014, 07:31 PM	#6
Dznts Anabolic Connoisseur Drives: Sold - Blown Camaro 2SS/RS LS3 Join Date: Sep 2010 Location: Oklahoma Posts: 22,094	__________________

02-17-2014, 07:59 PM	#7
jessrayo Speed Freak Drives: 2013 ZL1 Camaro, 2016 Camaro SS Join Date: Jun 2013 Location: Ardmore, OK Posts: 2,637 View My Garage	I was going to say I got that code when the front O2 sensor on bank one went out but I did not have any noises like you have there. That is very strange. I'm guessing a person has to be there in person to hear it clearly but just from a raw video it sounds like something is bouncing around inside the plastic intake tube. I'm wonder how the MAF sensor is attached in your system. __________________ 2016 SS -AGP twin Borg Warner 7163 EFR's, LT4 mechanical pump, LT4 injectors, Walbro 255 low side, Castrol SRF. 734whp/759 tq 2013 ZL1 -ADM - 427 LSX 6 bolt, O-ringed block built by LME. Twin PT6466 turbos. RPM custom manual trans, RPS Quad carbon clutch, 9" Hendrix rear diff & axles. ADM/squash fuel system, Ron Davis radiator, Spal fans, AGP air to air, turbo plumbing. LPE oil cooler, rear bushing upgrade, roll bar...etc. rwhp 1400+... 212.5mph, best Texas mile to date.

02-17-2014, 08:00 PM	#8
Dznts Anabolic Connoisseur Drives: Sold - Blown Camaro 2SS/RS LS3 Join Date: Sep 2010 Location: Oklahoma Posts: 22,094	i hope it isnt anything serious. __________________

02-17-2014, 08:29 PM	#11
jessrayo Speed Freak Drives: 2013 ZL1 Camaro, 2016 Camaro SS Join Date: Jun 2013 Location: Ardmore, OK Posts: 2,637 View My Garage	I keep listening to that recording and I'm trying to figure out where you are when you recorded it. Is that in the car, behind the car or standing over the engine with the hood open? You said you heard it driving so I'm wondering if that is what you hear in the car. __________________ 2016 SS -AGP twin Borg Warner 7163 EFR's, LT4 mechanical pump, LT4 injectors, Walbro 255 low side, Castrol SRF. 734whp/759 tq 2013 ZL1 -ADM - 427 LSX 6 bolt, O-ringed block built by LME. Twin PT6466 turbos. RPM custom manual trans, RPS Quad carbon clutch, 9" Hendrix rear diff & axles. ADM/squash fuel system, Ron Davis radiator, Spal fans, AGP air to air, turbo plumbing. LPE oil cooler, rear bushing upgrade, roll bar...etc. rwhp 1400+... 212.5mph, best Texas mile to date.

02-17-2014, 08:34 PM	#12
jessrayo Speed Freak Drives: 2013 ZL1 Camaro, 2016 Camaro SS Join Date: Jun 2013 Location: Ardmore, OK Posts: 2,637 View My Garage	Then my next question would be can you hear it more clearly in one of those other locations. Are you back at home now? __________________ 2016 SS -AGP twin Borg Warner 7163 EFR's, LT4 mechanical pump, LT4 injectors, Walbro 255 low side, Castrol SRF. 734whp/759 tq 2013 ZL1 -ADM - 427 LSX 6 bolt, O-ringed block built by LME. Twin PT6466 turbos. RPM custom manual trans, RPS Quad carbon clutch, 9" Hendrix rear diff & axles. ADM/squash fuel system, Ron Davis radiator, Spal fans, AGP air to air, turbo plumbing. LPE oil cooler, rear bushing upgrade, roll bar...etc. rwhp 1400+... 212.5mph, best Texas mile to date.