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linabaumann3
Corsa fuel rail pressure sensor fault
4 comment(s)
linabaumann3 (Author)
Thanks for the insight. I did give the wiring and connectors a quick look, and they seemed okay at first glance, but I didn't check them thoroughly. How did you troubleshoot the wiring on your Megane? Was it visibly damaged, or did you use a multimeter to test the continuity?
patrick_silber26
On the Megane, the wiring looked fine initially, but closer inspection revealed a small crack in the insulation, causing intermittent contact. Considering your symptoms and the error code, a faulty pressure sensor is still the most probable cause. However, given that you've checked the basics, perhaps it's best to have it diagnosed properly at a workshop. They have the tools to properly diagnose the fuel injection system.
linabaumann3 (Author)
Thanks for the advice. I appreciate you sharing your experience with the Megane. I'll take your advice and bring it to a workshop for diagnosis. It turned out to be the fuel rail pressure sensor indeed, and it cost me 240€ to get it replaced. Runs smoothly now.
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patrick_silber26
Interesting. I had a similar issue with my older Renault Megane, though the symptoms weren't exactly the same. The check engine light was on, and the car would sometimes hesitate when accelerating. The error code also pointed to the fuel pressure sensor. Have you checked the wiring and connectors to the sensor? Sometimes a loose or corroded connection can cause similar issues.