felix_schmid98
Peugeot 208 Diesel Stalling Idling Power Loss
Summary of the thread
A 2014 Peugeot 208 diesel exhibited issues such as stalling when idling, reduced power during acceleration, and a check engine light. The suspected cause was a faulty fuel pressure regulator, potentially due to an error during a recent fuel filter replacement. After a diagnostic check confirmed the defective regulator, replacing it resolved the problems.
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4 comment(s)
felix_schmid98 (community.author)
Yes, I've noticed a slight decrease in fuel efficiency. I haven't heard any unusual noises from the fuel pump, but I'll listen more closely. Could you share the circumstances of your similar issue and how it was resolved?
louislion83
My symptoms were almost identical. After basic checks, I took it to a workshop for a detailed inspection. They confirmed a faulty fuel pressure regulator. Given your symptoms and the recent fuel filter change, get a professional assessment to prevent damage to other components.
felix_schmid98 (community.author)
I took it to my mechanic. The diagnostic check confirmed a defective fuel pressure regulator, likely due to an error after the fuel filter change, as I suspected. Replacing the regulator (costing 45€) fixed everything. Thanks!
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PEUGEOT
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208
louislion83
I also own a Peugeot 208 diesel and had similar symptoms: check engine light, rough idle, and power loss. Has fuel efficiency been impacted? Investigate the fuel rail pressure sensor, in addition to the regulator. Any unusual noises from the fuel pump?