# P0194 on the 2019 Mack Terrapro

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 P0194

- [10152954](https://open.wenmarpro.com/bulletins/10152954), 2019-02-19: Diagnostic Trouble Codes \(DTC\) P0194\-00 \- Fuel Rail Pressure Sensor, Circuit Erratic,
- [10151923](https://open.wenmarpro.com/bulletins/10151923), 2018-12-17: Diagnostic Trouble Codes \(DTC\) P0194\-00 \- Fuel Rail Pressure Sensor, Circuit Erratic, Intermittent And/Or P016E\-00 Closed Loop Fuel Pressure At Control Limit, Pressure Too High \- US17\+OBD16 \(Common Rail Fuel System\) Emissions And Newer; Model Year 2017 And Newer
- [10129933](https://open.wenmarpro.com/bulletins/10129933), 2018-03-12: Diagnostic Trouble Code \( DTC \) P0194 \- 00 \- Fuel Rail Pressure Sensor \( RPS \), Circuit Erratic, Intermittent \- US17 \( GHG17 \) Emissions And Newer \( Common Rail Fuel System \); Common Model Years 2017 And 2018.Changed repair instructions to reflect new procedures