Peugeot 205 diesel problems starting?

Q: Hi, My pug 205 diesel is having problems starting in the morning, particularly in the cold. In the warm it will start first time but when it's cold, it turns over and the sound gets faster and faster before it eventually catches and is fine. Is there any tests i could do to see if its the glow plugs/starter motor? I know it's not the battery, replaced that recently.

A: Your starter motor is Fine. Turns over faster and faster. On a PETROL engine, that 'faster and faster' sound would tell me to check the ignition timing again, and to clean my spark plugs, or replace. I'm not a diesel expert, though. The cheap way would be to replace just ONE glow plug, and see if it is better. Change the #1 plug nearest the Clutch / gearbox side of the engine. If ONE plug improves the starting, then 4 will be wonderful. AIR is very important for all engines. Is your air filter all black and sooty and unbreathable? Can you see the sunlight through it? NO? Change it and a miracle will happen.

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