ellahahn84

Peugeot 406 Diesel Stalling Rough Running

My 2000 Peugeot 406 diesel has a starting issue, sometimes stalling at idle. The check engine light is on, the engine feels rough, and fuel consumption is up. I scanned it and found an error. I checked fuses and connections, and I suspect the fuel pump. Anyone had similar issues?

A 2000 Peugeot 406 diesel is experiencing starting issues, stalling at idle, rough engine performance, and increased fuel consumption, with the check engine light on. The problem was suspected to be related to the fuel pump. A similar case was resolved by checking the integrity of the fuel pump relay connection, which was found to be faulty. The issue was confirmed and repaired at a shop, costing 95€.

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I also drive a Peugeot 406 diesel and had similar symptoms: stalling, rough running, check engine light. In my case, it was a faulty connection to the fuel pump relay. Have you checked the cable or plug connection?

Thanks! By 'integrity', do you mean checking for voltage at the fuel pump connector when the ignition is on? Were the symptoms intermittent or progressively worse?

Yes, by integrity, I mean ensuring the connector isn't corroded or damaged, and the wiring is sound, with no short circuit. Intermittent issues can be tricky. Given the potential complexity, I'd recommend a qualified mechanic to prevent further damage.

Thanks! I took it to a shop, and it was a defective plug connection, as suspected. It cost 95€ to repair. I appreciate you pointing me in the right direction!

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PEUGEOT

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406