406 Running unevenly

lawrenceryz · 2005-08-09T23:58:00+00:00

I have a Peugeot 406 coupe 2.0 litre. Recently I have been driving iton the motorway at around 60-70 MPH and the car will intermittently"kick" or "jolt" as if it loses power for a split second. It will thencontinue relatively smoothly and the problem may happen again every fewminutes.On one occassion it the engine has stalled when I have come to a set oftraffic lights, on another occassion the orange engine management lighthas illuminated. I have also had a situation where the car 'splutters'i.e I put my foot on the accelerator and it barely responds and thenpower eventually is produced.Other reports of the same problem indicate either MAP sensors or sparkplugs.I assume an error would be reported by the engine management system ifit was hooked up to a diagnostic computer but I am hesitant about beingtaken for a ride at a Peugeot dealer. Can anyone assist ?

Aug 09, 2005 21 Replies

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lawrenceryz 20 years ago

PS that is a Peugeot specialist in North London.

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squaretaz 20 years ago

My 406 is doing exactly the same, I have had it looked at in 2 garages and

1 said the lamba sensor {replaced but no different} the other said the coil pack {also replaced and no difference} I am about to replace the mapping sensor if I can find it at a reasonable price. If I replace it before 30th I will let you know.

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