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larshofmann1
Previa Rail Pressure Sensor Issue
4 comment(s)
larshofmann1 (Author)
No visible leaks. I changed the fuel filter about 10000 km ago, should I change it again? Could a defective sensor cause these symptoms?
TheoPfeff
10000 km should be fine for the fuel filter. A defective rail pressure sensor definitely could cause those symptoms. Is it worth risking further damage? I'd recommend getting it checked at a workshop.
larshofmann1 (Author)
Thanks for the advice. It was indeed the rail pressure sensor. Replaced it, and the Previa is running smoothly again. Total cost was around 240€.
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TheoPfeff
Sounds like fuel pressure issues, alright. Reduced power and stalling definitely point that way. Have you checked for any obvious fuel leaks? When was the fuel filter last changed?