Engine code: P2195

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Sep 29, 2012 | 08:59 PM

#16

ToothDoc

11 Second Club

Joined: Apr 2006

Posts: 963

Likes: 4

From: IL

Good to hear! I just got PPE headers and ordered some new A/F sensors. Waiting for new gaskets and then I'm off to the shop for an install!

Oct 1, 2012 | 10:07 PM

#17

RCB

Lexus Test Driver

iTrader: (18)

Joined: Jan 2010

Posts: 964

Likes: 10

From: MA

^^^^ I'm guessing you didn't do this but just incase and for future reference.....adding leaded fuel at the track will kill A/F sensors (and cats) at a much quicker rate. I don't really see the need for leaded fuel on an N/A ISF.

Oct 7, 2012 | 12:49 PM

#18

diagtime

Pole Position

Joined: Aug 2012

Posts: 237

Likes: 10

From: Florida

Quote:

Originally Posted by DCoolBeans

Engine code gone/fixed problem was = Bad A/F Sensor

I didn't know these thing go bad? I don't even know how it went dead. I inspected it and looked normal to me. Glad its fixed though.

yes they do go bad. that's a rather common code and you probably just had one go bad.

they can also be damaged when being removed or installed. especially if the wires are twisted..

and i'm glad your problem is fixed, but for anyone else reading this that has this problem.....an exhaust leak before or near the sensor can cause this because oxygen gets into the exhaust system.