jenniferstar13
Peugeot 5008 Diesel Fuel Filter Heater Issue
Summary of the thread
A 2021 Peugeot 5008 diesel exhibited reduced power, poor response, higher fuel consumption, and uneven idling, potentially linked to the fuel filter heater. The issue was suspected to be a bad cable or plug connection. After consulting a technician, it was confirmed that a defective cable connection to the fuel filter heater was the cause, and a repair resolved the problem.
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4 comment(s)
jenniferstar13 (community.author)
The engine light stays on even after clearing the code; it returns right away. Why do you suspect the fuel filter heater? What diagnostic steps should I take before replacing it?
evaphoenix9
The symptoms point to it, plus you mentioning the stored error. Honestly, without proper tools, it's tough to pinpoint. A workshop visit is probably best. They can check the heater's function and wiring properly.
jenniferstar13 (community.author)
I consulted a technician, and it was a defective cable connection to the fuel filter heater. The 95€ repair fixed everything. Thanks for pointing me in the right direction.
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PEUGEOT
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5008
evaphoenix9
Sounds like it could be the fuel filter heater, yeah. Is the engine light on? Have you tried clearing the error code to see if it comes back?