PACCAR
E178
Manufacturer communications
- Publication date
- 2017-04-13
- Received by NHTSA
- 2017-08-07
- NHTSA record numbers
- 10110797
Manufacturer summary
Original wording in English
Fix-As-Fail - On the MX-13 EPA13 engine, water may buildup and freeze on the EGR Pressure Difference Sensor (F751), causing a P1490 (EGR - Valve Stuck in open position fault) and resulting in a stop engine lamp.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
PACCAR
P1490EGR - Valve Stuck in open position faultCheck vehicle applicability
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