P1101 After installing Cold Air Intake and Atmospheric Bypass, fix?
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Thread: P1101 After installing Cold Air Intake and Atmospheric Bypass, fix?

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    Thebigzeus is offline [OP]
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    P1101 After installing Cold Air Intake and Atmospheric Bypass, fix?

    So as the title states, I installed a cold air intake today (one of the longer ones, previously had a short ram) and now I was almost immediately met with a P1101 code. At the same time I also did installed a BNR (Forge) atmospheric bypass valve. There were no codes before the install. Everything seems to run and perform as expected, but I have a constant CEL on and this code. I did perform a quick search of the forums and it seems to be pointing to the MAF, I checked it and it is plugged in and appears clean. Anyone have some more insight?

    Edit: this car already has the PCV fix kit V2 installed and has ran fine with it for around 1k miles.


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    Thebigzeus is offline [OP]
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    After doing some more research I am going to cut the honeycomb out of another MAF and see if that fixes this. Also got to replace the thermostat and lower hose, as I was installing this I kept getting antifreeze on my hands and quickly realized that problem as well. Busy weekend ahead

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    1st Gear mechguy78's Avatar
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    Are you tuned? If not the atmospheric bypass may be causing you some issues.
    Blasirl likes this.
    '14 Cruze 1LT 6MT - KNN CAI - MAGNAFLOW CBE - Verano belly pans - NGK BKR8IEX plugs @.030 - Amsoil fluids throughout

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    Thebigzeus is offline [OP]
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    Quote Originally Posted by mechguy78 View Post
    Are you tuned? If not the atmospheric bypass may be causing you some issues.

    No, but plan to be quite soon.

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    Thebigzeus is offline [OP]
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    Seems fixed after cleaning MAF this morning

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    Thebigzeus is offline [OP]
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    If anyone cares how I permanently fixed this. Got the idea off a youtube video. Drove 40 miles today with no CEL, used to come up within 10 minutes.

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    Can you post the video?
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    Thebigzeus is offline [OP]
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    Quote Originally Posted by Blasirl View Post
    Can you post the video?
    I searched for it last night and couldn’t find it. Here it is: https://youtube.com/watch?v=U-r9kXxXt_4

    With mine I made sure to save the plastic and metal mesh versus just the plastic. May not make a difference.

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    Quote Originally Posted by Thebigzeus View Post
    I searched for it last night and couldn’t find it. Here it is: https://youtube.com/watch?v=U-r9kXxXt_4

    With mine I made sure to save the plastic and metal mesh versus just the plastic. May not make a difference.
    The guy in the video found the information he used here on CruzeTalk:

    Your aftermarket intake sucks.

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