P0420 CEL with Kooks LT headers and Green Cats

[Jeff_oddo]

Well today I got a P0420 CEL while driving. So much for spending all that money on the supposed best high flow cats on the market. Any ideas on how to fix this besides turning the rear O2's off, I have emissions in my state.

Sponsored

 

[Road Dog]

You might want to look into something like this:
http://www.bigdaddiesgarage.com/angled-cel-fix.html

Worth a try before spending lots of money or turning things off.

 

[Jeff_oddo]

Here she is....

 

[Jeff_oddo]

You might want to look into something like this:
http://www.bigdaddiesgarage.com/angled-cel-fix.html

Worth a try before spending lots of money or turning things off.

Already looked into it. Thanks

 

[Evilwill]

Already looked into it. Thanks

so have you tried them and still have a cel or no?

 

[assclown]

subscribed

 

[Jeff_oddo]

so have you tried them and still have a cel or no?

Going to look into trying them out

 

[Evilwill]

oh ok cool let us know how it goes if you don't mind

 

[smoke em]

I've had them on for 4000 miles and no cel yet. Running Kooks with high flow cats.

 

[Jeff_oddo]

I've had them on for 4000 miles and no cel yet. Running Kooks with high flow cats.

I must be the lucky one... Lol

 

[tcador]

I was researching these at one point and I remember reading they said something like "90-95%" of cars are fine but some have issues. Subscribing to see what the fix is...good luck.

 

[Terminator2]

Do you have a P0430 to go along with the P0420? One cat might be faulty because you have two banks there one and two so I would expect both codes or no codes.

 

[Jeff_oddo]

Do you have a P0430 to go along with the P0420? One cat might be faulty because you have two banks there one and two so I would expect both codes or no codes.

Lucky me. P0430 just popped up today

 

[Road Dog]

I've had them on for 4000 miles and no cel yet. Running Kooks with high flow cats.

Please clarify, what you have been running for 4k miles the LTH or the cel fix adapters?

 

[smoke em]

Please clarify, what you have been running for 4k miles the LTH or the cel fix adapters?

Sorry about that, I should've been more clear. This is running the big daddies angled cel fix adapters. I never ran without them to see if it throws a code.

Sponsored