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vivientaylor7

Peugeot 5008 Diesel Injection Fault

My 2012 Peugeot 5008 diesel is having injection issues at 196811 km. Fuel consumption is up, power is down, and it sometimes stalls when idling. It also smokes on acceleration. Diagnostics suggest a bad cable or plug. Anyone seen this before?

Summary of the thread

A 2012 Peugeot 5008 diesel is experiencing injection issues, leading to increased fuel consumption, reduced power, stalling when idling, and smoke during acceleration. Diagnostics suggest a faulty cable or plug as the cause. A similar case was resolved by inspecting the EGR valve and testing the injectors, ultimately identifying a defective plug connection, which was repaired at a cost.

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4 comment(s)

friedrichpeters8

I have a 5008 diesel too and your symptoms sound very familiar. I had similar issues last year - loss of power and the occasional stall. Have you checked the EGR valve? A faulty EGR can cause a whole host of problems in diesel engines. It's worth a look, although I'm no expert.

vivientaylor7 (community.author)

Thanks, I'll have the EGR valve checked. What specific symptoms did you see with your 5008, and what else should I investigate?

friedrichpeters8

Mine would hesitate on acceleration and sometimes cut out completely at junctions, particularly when cold. Fuel consumption also took a hit. Since your initial diagnosis points towards a connection issue, it might be worth having the injectors themselves properly tested, though I think a garage would be best placed to do that. I eventually took mine in.

vivientaylor7 (community.author)

Thanks for sharing your experience. I'll get it inspected by a workshop. It was indeed a defective plug connection which cost 95€ to repair. I appreciate your assistance.

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PEUGEOT

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5008