# P0174 on the 2016 Toyota 4Runner

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0174

- [10235216](https://open.wenmarpro.com/bulletins/10235216), 2023-05-01: TSB: Some 2014 ? 2020 model year Toyota vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes \(DTCs\): ?DTC P0171 and/or P0174 \(System Too Lean Bank 1/Bank 2\) ?DTC P0087 Fuel Rail / System Pressure ? Too Low Techstream data list analysis may reveal positive fuel trims including a no pressure condition verified by a manual fuel pressure gauge. Follow the Repair Procedure in this bulletin to address these conditions.