Error codes on 08 GT after CAI install...Help!

twinds19

New Member
Mar 26, 2010
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DTC error codes on 08 GT after CAI install...Help!

I have installed a MAC axle-back system with a drop-in K&N fliter in the factory air box and have been running for 2yrs no problem...after recently installing a MAC Straight Shot CAI system (#3505) with big mouth filter, my GT is spewing out PO171 & PO174 DTC Codes(banks 1 & 2 running lean)...is there anything i can do without getting a retune, like getting a different size MAF tube like a 73MM perhaps....don't have the cash for a tuner and don't want to void warranty...will I damage engine at all by running with these codes, signaling these conditions? Thanks in advance. :)

P.S.-I have already tried disconnecting the battery for a while & cleaning MAF sensor...still no fix!
 
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+1 with the last two posts. Put your stock box back in :( Better that than running lean potentially causing serious damage in a hurry...

I wouldn't waste your time with smaller maf tubes etc. If you save up a little bit more then you can buy a tuner and there are a lot of benefits to having one trust me! :nice: