im clueless!!

the real shocker · July 3rd, 2007, 10:20 PM

Got an SCT flip chip burned for my '02 to get me by until i can get a dyno tune...

well after installing the chip, my car threw the check engine light on with these codes:

P0420- Catalyst System Efficiency Below Threshold (Bank 1)
P0171- System Too Lean (Bank 1)

I gave him my list of mods to burn the chip...

any idea what these mean?

HMUSN · July 3rd, 2007, 10:23 PM

did you perhaps forget to tell your tuner that you already corrected your cel for the O/R pipe?

the real shocker · July 3rd, 2007, 10:31 PM

no i told him everything, and he named it all back to me.... perhaps he did forget to turn off the rear 02's? i was hoping those were exhaust related codes! and their shop is not open tomorrow to call and ask him, which is why i asked here

HMUSN · July 3rd, 2007, 10:36 PM

yea.. they are 02 sensor codes man.

the real shocker · July 3rd, 2007, 10:38 PM

Originally Posted by HMUSN

yea.. they are 02 sensor codes man.

o thank God!

July 3rd, 2007, 10:20 PM	#1
the real shocker Hardcore Enthusiast 2002 Mustang GT 13.00 @ 105 Join Date: Feb 2007 Location: Jackson, MS Posts: 1,820 iTrader: 1 reviews	im clueless!! Got an SCT flip chip burned for my '02 to get me by until i can get a dyno tune... well after installing the chip, my car threw the check engine light on with these codes: P0420- Catalyst System Efficiency Below Threshold (Bank 1) P0171- System Too Lean (Bank 1) I gave him my list of mods to burn the chip... any idea what these mean? __________________

July 3rd, 2007, 10:23 PM	#2
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	did you perhaps forget to tell your tuner that you already corrected your cel for the O/R pipe? __________________

July 3rd, 2007, 10:31 PM	#3
the real shocker Hardcore Enthusiast 2002 Mustang GT 13.00 @ 105 Join Date: Feb 2007 Location: Jackson, MS Posts: 1,820 iTrader: 1 reviews	no i told him everything, and he named it all back to me.... perhaps he did forget to turn off the rear 02's? i was hoping those were exhaust related codes! and their shop is not open tomorrow to call and ask him, which is why i asked here __________________

July 3rd, 2007, 10:36 PM	#4
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	yea.. they are 02 sensor codes man. __________________

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