CEL P0420 code

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Feb 13, 2019 | 02:16 PM

#16

SoSlow

Pole Position

iTrader: (1)

Joined: Mar 2018

Posts: 335

Likes: 109

From: IN

Quote:

Originally Posted by LXSDO

Is the gasket a Lexus part or a part from the aftermarket exhaust?

The gasket from the mid pipe to the header pipe isn't a standard 2 hole flange gasket, it is a tapered gasket that fits inside the pipe.

Looks like this.

Feb 13, 2019 | 03:20 PM

#17

Bluecarbon

Thread Starter

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Joined: Apr 2018

Posts: 75

Likes: 11

From: New Jersey

Quote:

Originally Posted by Sit

This is good stuff to know. Does anyone document the codes as they are learned?

I believe the tech does

Quote:

Originally Posted by LXSDO

Is the gasket a Lexus part or a part from the aftermarket exhaust?

OEM Lexus part

Last edited by Bluecarbon; Feb 13, 2019 at 03:41 PM.

Feb 13, 2019 | 03:49 PM

#18

LXSDO

Advanced

Joined: Nov 2015

Posts: 627

Likes: 151

From: CA

Quote:

Originally Posted by SoSlow

The gasket from the mid pipe to the header pipe isn't a standard 2 hole flange gasket, it is a tapered gasket that fits inside the pipe.

Looks like this.

Thanks, just for future when I get a catback. Probably just but new gasket and have placed at same time to avoid headaches and codes. Seems to be a common occurrence

Quote:

Originally Posted by Bluecarbon

I believe the tech does

OEM Lexus part

Thanks!