ef sedan with ls swap code 43

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May 9, 2012 | 11:27 PM

whatdoyoumean

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ef sedan with ls swap code 43

So I'm throwing code 43 fuel system supply I've heard replacing o2 fixes it but Idk if that's true. I'd rather not spend a **** ton of money to fix it. Has anyone ran into a situation like this. Motor is b18b1

May 9, 2012 | 11:41 PM

Dpsych

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Re: ef sedan with ls swap code 43

friend had same problem on his a1 it was the o2 but it could also be other bad sensors

May 9, 2012 | 11:43 PM

codybuRr

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Joined: May 2010

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From: Boise, ID

Re: ef sedan with ls swap code 43

it could be wiring dude. 20 years of no cleaning will do that.
Specifically check stuff that goes to the dizzy, injectors, o2, and manifold sensors.

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