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Old 7th September 2018
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Re: The Peugeot Diesel Pollutant Saga

You need to use a low ash low sulphure oil with DPF engines... so they don't get blocked as quickly. Around town my engine does a regeneration every 150 miles. Every 5 or so regenerations it decides I need a sevice as the oil will be too contaminated to protect the engine (the extra diesel pumped into the cylinders on the exhaust stroke to burn off in the DPF and raise the temperature to burn the particulates to ash seeps past the piston rings). Latest theory is that when the engine is cold you should drive in sport mode to bring the temperature up more quickly.
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