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Peugeot Boxer 2.2HDI - intermittent engine slow down - Christopher Stinton

I have camper van based on a 2004 Pug Boxer 2.2 HDI I believe it to be the 75 kw engine.

It seems down on power and when pulling up hill or working a bit hard to engine slows for a few seconds then slowly builds back up again.

I was also thinking of having an ECU remap to boost the power output, is this possible with this engine

Peugeot Boxer 2.2HDI - intermittent engine slow down - andrew bairsto

I suspect you have the first stages of an EGR fault or is this vehicle have a separate tank for the additive , I very much doubt a ECU remap will have show any improvement.

Peugeot Boxer 2.2HDI - intermittent engine slow down - Gibbo_Wirral

Have you had it read for any fault codes? A number of engines won't put on an engine light when there's a fault.

And most reputable firms won't even attempt a remap if there's any faults (to cover their back).