P0171 help me!

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07-19-2016, 02:06 AM

05hotbox

Junior Member

Thread Starter

Join Date: Jul 2016

Posts: 1

P0171 help me!

After cai install... Now chasing a p0171 lean code. No vacuum or exhaust leaks, new o2 sensors, clean maf sensor. Any help would be appreciative. ✌💯

07-19-2016, 09:06 AM

jct

Senior Member

SL Member

Join Date: Jul 2004

Posts: 13,963

sounds like you need to run a reducer pipe in your cai, right before the maf sensor

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