Cobalt won't start in cold.

[YelloEye]

They're 2 stage airbags, they deploy depending on speed and impact.

 

[clflorida]

Great news guys! The light came back on again! Took it back down there. Po420 and Po360... I believe he said o2 system and catalytic converter but ill check later..

 

[Bass_Waves]

P0360?????? That's #10 coil shortage. Wtf. U have a 4 banger.

420 good old cat converter.

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[clflorida]

Smh lol I need help. Po...326.

 

[Bass_Waves]

OK. Knock sensor may be bad. Or your spark plugs are toast. What type of fuel you using? The knock sensor is right under the intake manifold on top of starter. Looks like a black spacer plug

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[clflorida]

Regular gas, i think 89 unleaded the cheapest one. So how do I check if its bad? Google isnt helping..

 

[Bass_Waves]

Prolly throw a new 1 on lol. They are cheap

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[clflorida]

Like $5-10 cheap? Haha that would be nice. And how do I fix the 420? Thanks for the help btw.

 

[Bass_Waves]

420 9 times out of 10....you need a new catalytic converter.
Price em out at auto zone and advance auto. I'm sure they aren't expensive. I paid like 20$ for a chevy venture knock sensor before.

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[clflorida]

Using google, cat converters appear to be expensive...maybe I can get one for christmas...

 

[Bass_Waves]

You can buy em used. I paid 70$ for my spare Downpipe.

Cat is clean in it.
Also you can get a 400 cell magna flow cat (OEM spec) for like 80$ weld it in and done

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[clflorida]

Well damn. Idk how to weld sooo what happens if I dont replace the catalytic converter?

 

[Bass_Waves]

Code will remain there

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[clflorida]

Was there a problem with the catalytic converters on the Cobalts? Is this something Imma have to keep fixing?

 

[Bass_Waves]

Don't think so. They last about 100k miles or more. Sometimes less depending on maintenance

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[YelloEye]

You can pickup a used stock SS supercharged downpipe for cheap enough.