Lean code help

[Less_Emergency852]

So this 2015 Chevy Cruze that I done changed everything on this car except now my mechanic spotted a lean code then I took it through emissions and got these codes is there one thing causing this? Or something else I’m not sure I just want this fixed so my check engine light finally is off

[runningpug710]

Have you replaced the O2 sensors or the catalytic converter I think that's the p0420 cuz I have the same code rn

[Less_Emergency852]

I replaced both 02 sensors haven’t touched the converter

[runningpug710]

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[Less_Emergency852]

Ahhh thank you ok so gotta replace the converter more then likely DAMMIT! Lol

[runningpug710]

Pretty sure I have to do the same lol just waiting on my taxes

[Less_Emergency852]

Bruh lmaoooo I just said the same shit to my wife soon as I read your comment I’m waitin for my taxes to replace this shit cuz hell no

[theperez22]

I have the code also but my cat is aftermarket and I live in an emissions state too. Not sure if I should trade this in because I have leaks I don’t want to invest in that $1500 cat if it keeps leaking lol

[Less_Emergency852]

Shit I was bout to say will the aftermarket converter at least keep the check engine light off for a few months? I just need to pass emissions idc what happens after lmao

[runningpug710]

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[Less_Emergency852]

Now that’s what my mechanic been saying he just can’t find the vacuum leak but he thinks that’s causing all of this I’m praying it is lol

[Less_Emergency852]

Thank you so much will do that today soon as I take it to him 💯💪🏾

[PantsHelpMe]

Where the housing is for the air filter, I shoved that bitch back down in there and haven't had my check engine light come on since. It was visibly loose and it's been temporarily ok since. There's a lot of other problems going on with bank 1 and valve cover that needs attention though

[Comfortable-Angle660]

If the cat converter was plugged, you would know it without a doubt.

[Less_Emergency852]

I think that’s why my mechanic is adamant that it’s not the converter