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HI all

I have a Peugeot 206 hdi on a 55 plate. Engine management light on ran diagnostics code p0401 incidentally sometimes when I accelerate at 2000 rpm get a lag kind of anyone any ideas what to look into. Thanks in advance.


Howard
 

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Live data would show any discrepancies between expected measurements and actual measurements. Fault codes are ok as far as telling what has happened to the car, but the live data is much better at explaining why it has happened.

If the EGR is sticking, giving it a clean may free it up. There isn't much else immediately around it that would benefit from a clean.

What size engine do you have?
 
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