robinschaefer54

C6 Rough Start Fuel Issue

Afternoon. I'm having a bit of a headache with my 2007 Citroen C6, gasoline engine. It's got about 84,000 km on the clock. Lately, it's been starting rough, drinking more fuel than usual, and the engine feels like it's lost some punch. Plus, it idles unevenly and has even stalled a couple of times. Could this be a dirty fuel injector issue?

The 2007 Citroen C6 was experiencing rough starts, increased fuel consumption, and uneven idling, suggesting a fuel delivery issue. Possible causes included dirty or defective fuel injectors. A suggestion was made to use injector cleaner as a temporary fix, but a professional diagnostic was recommended. Ultimately, a defective injection nozzle was identified and replaced, resolving the problem.

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4 comment(s)

Greetings. The symptoms you describe suggest a fuel delivery problem. Are you experiencing any unusual exhaust emissions, such as black smoke or a strong fuel odor? When did you last replace your fuel filter? Also, consider the analogy of a clogged artery in a human – a partially blocked injector starves the engine of fuel, resulting in reduced performance.

Interesting analogy! I haven't noticed any unusual smoke, and the fuel filter was changed about 20,000 km ago. Is there any simple way to confirm that the injectors are indeed the culprit before I start tearing things apart?

Considering the age and mileage, and given the symptoms you've detailed, defective injection nozzles are a strong possibility. The inconsistent idling and stalling are particularly telling. You might consider injector cleaner as a temporary measure. However, I would strongly suggest a visit to a qualified workshop for proper diagnostics. It's like trying to diagnose a heart murmur with a stethoscope alone; sometimes you need an EKG.

Thanks for the advice. I took it to a local garage, and you were spot on – a defective injection nozzle. They cleaned the system and replaced the faulty part. Cost me 515€, but the car is running smoothly again. I really appreciate the help!

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CITROEN

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