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Re: What's next on the P0171
Posted to Technical Discussion Forum on 11/17/2011 1 Reply

Hi Javier,

Is it lean only at idle, or is LTFT at +25% during a 30-40 mph cruise?

I've had several Toyota 4 cyls come in this past year for lean codes that "no one can fix". They were consistently lean from idle to cruise (about 35-40% combined trims) and ... Login to read more.

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