CEL Codes
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Joined: 08-16-15
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From: Florida
CEL Codes
So I have a P0420 and P0033.
I'm just going to chop the cat off but would the code for the P0420 disappear if I do? (from what I understand cat is probably not good based on previous posts)
Also would the P0420 cause the P0033 code to appear or do i need to change the Bypass Valve Solenoid?
06 2.0L Supercharged. Also from what I've read this is cause the car from making boost since according to the gauge no longer makes more than like 5 sometimes?
I'm just going to chop the cat off but would the code for the P0420 disappear if I do? (from what I understand cat is probably not good based on previous posts)
Also would the P0420 cause the P0033 code to appear or do i need to change the Bypass Valve Solenoid?
06 2.0L Supercharged. Also from what I've read this is cause the car from making boost since according to the gauge no longer makes more than like 5 sometimes?
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Joined: 01-12-19
Posts: 233
Likes: 16
From: Boyertown pa
3 options to fix the cat code
1. Replace with oem one or a really good aftermarket one
2. Install catless down pipe and install 02 sensor spacer in the downstream 02 sensor
3. Install catless down pipe and get a tune put on to delete the code.
as far as the supercharger code you may to take it to a performance shop to have it diag first or do some more research. I'm not too familiar with the supercharged cobalts.
1. Replace with oem one or a really good aftermarket one
2. Install catless down pipe and install 02 sensor spacer in the downstream 02 sensor
3. Install catless down pipe and get a tune put on to delete the code.
as far as the supercharger code you may to take it to a performance shop to have it diag first or do some more research. I'm not too familiar with the supercharged cobalts.
Thread Starter
New Member
Joined: 08-16-15
Posts: 102
Likes: 2
From: Florida
3 options to fix the cat code
1. Replace with oem one or a really good aftermarket one
2. Install catless down pipe and install 02 sensor spacer in the downstream 02 sensor
3. Install catless down pipe and get a tune put on to delete the code.
as far as the supercharger code you may to take it to a performance shop to have it diag first or do some more research. I'm not too familiar with the supercharged cobalts.
1. Replace with oem one or a really good aftermarket one
2. Install catless down pipe and install 02 sensor spacer in the downstream 02 sensor
3. Install catless down pipe and get a tune put on to delete the code.
as far as the supercharger code you may to take it to a performance shop to have it diag first or do some more research. I'm not too familiar with the supercharged cobalts.
Member
Joined: 01-12-19
Posts: 233
Likes: 16
From: Boyertown pa
You can try a spacer first. Only think I don't like about with doing that is if your cat is starting to come apart and you put the spacer in, yeah the cat code will be gone but if it's bad enough it will break apart and clog up the exhaust.
Thread Starter
New Member
Joined: 08-16-15
Posts: 102
Likes: 2
From: Florida
yeah I meant to say I’m still cutting it off either way I’m turboing it soon just want to make sure these “small problems” aren’t something bigger
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