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liamstern43
Berlingo cold start rough idle
4 comment(s)
liamstern43 (Author)
Yes, I observe rough idling when the engine is cold. What's a 'richer fuel mixture'? If the injector is the cause, can it be cleaned, or does it need replacement?
isabellaneumann1
A richer fuel mixture means more fuel compared to air in the air/fuel mix. Cleaning it could help, but if it's defective, replacement is usually the only real fix. Given the symptoms, your injection valve is a likely culprit. I'd recommend a professional diagnosis at a workshop to be safe.
liamstern43 (Author)
I took it to a workshop, and they confirmed a defective injector. The repair cost around 515€. It runs smoothly now, even on cold starts.
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isabellaneumann1
Cold start problems can be tricky. Fuel injection is a good place to start. A cold engine needs a richer fuel mixture to start properly. Are you seeing engine misfires or rough idling, especially when the engine is cold? An injector might be clogged or faulty.