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Im running too lean?

dmahlikGT

dmahlikGT

New member
I got my car scanned at autozone a lil while ago and 2 codes popped up.one was the obvious o2 sensor code cause im catless but the other was i forgot the number but i know it started with 3.The dude said i was running too lean but he suggested that i just use fuel injector cleaner and i should be good.What exactly does this mean? I do notice subtle things such as funny idle sometimes and a slight hesitation when im at least 1/2 throttle sometimes.What can i do to correct my lean situation and any idea what could cause it?
 


Vac leak is what im thinkin cause the other day i got rid of my TB spacer and im thinkin i didnt get the TB to seal correctly with the stock bolts.I have a high pitch whistle sound( sounds like one of those dog whistles that humans can barely hear) when i rev it. I took it to my mechanic and he sprayed my vac lines, egr and tb and when he sprayed an area of tb the noise went down.So im thinkin i gotta take apart my intake/tb and make sure those bolts are in right.
 


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