ameliemayer1
Accent Diesel Fuel Pressure Issue
Summary of the thread
A 2004 Hyundai Accent diesel exhibited a check engine light, stalling at idle, and reduced engine power, suspected to be due to the fuel pressure regulator after a fuel filter change. The issue was confirmed to be the fuel pressure regulator, and replacing it resolved the problem.
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4 comment(s)
ameliemayer1 (community.author)
The filter is seated correctly, and the lines are secured. The error entry points to the regulator. Could a faulty pressure sensor trigger similar symptoms, or is regulator replacement the only solution?
lisalang1
In my case, the pressure sensor was indeed the culprit, triggering similar error codes. However, considering the error entry you mentioned, it might be best to consult a workshop for a precise diagnosis before replacing components.
ameliemayer1 (community.author)
Thanks. Diagnosis confirmed fuel pressure regulator. Replacement cost 45€. Problem solved.
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HYUNDAI
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ACCENT
lisalang1
I had similar symptoms on my old Opel Astra after a fuel filter replacement. Did you ensure the filter was correctly seated and the fuel lines properly connected? Perhaps an air bubble is trapped in the system?