Code 43...O2 Sensor related?

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Oct 20, 2005 | 11:03 AM

JDM_EH2

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From: United States

Code 43...O2 Sensor related?

I keep getting a code 43 which is Fuel Supply system. I've read that 90% of the time this comes from the O2 sensor...can anyone confirm this?

Oct 20, 2005 | 11:25 AM

Arsenal

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From: England/Florida/Portland

Re: Code 43...O2 Sensor related? (JDM_EH2)

Yep. All three of my Honda's threw a 43, replaced the o2 sensor and fine.

You want to do it soon though, everytime the CEL is on you are in limp mode, ie. very rich.

Oct 20, 2005 | 11:49 AM

amckee

Joined: Aug 2005

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From: Collierville, TN, USA

Re: Code 43...O2 Sensor related? (JDM_EH2)

Keep in mind, your O2 sensor may be fouled for a reason. It may be the effect, not the cause. After you replace it, clear those codes and check your mileage to see if your still running rich.