Citroen Xsara Picasso - Extremely high idle.

Honest John Back Room » Technical matters
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Fri 21 Mar 2014 16:16
Citroen Xsara Picasso - Extremely high idle. - Applecrumble

I have a 1.6 petrol 51 plate Xsara Picasso. When I set off the car is ok until the engine is warm, then I notice when I stop the revs are a little high and slowly drops to normal. Each time I stop it takes a little longer for the revs to drop. Eventually it doesn't drop at all and then increases as if I have my foot to the floor, I have to turn the engine off whilst waiting at traffic lights and junctions.

I have done a diagnostic check and the only fault showing is slow cooling fan relay circuit.

I have replaced the MAP sensor and also taken off the idle air control valve and sprayed it with carb cleaner but there is no difference.

Any ideas as to what I should do next

Thanks

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Sat 22 Mar 2014 10:33
Citroen Xsara Picasso - Extremely high idle. - deano1112

several things 1 air is getting in some where.

vac pipe as a leak try around servo area

throt/ pedal littel white bushes broken. cable cant return.

air box if fitted set to summer or winter

these are some of the things that i came across in my time. paul. good luck.

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Tue 25 Mar 2014 13:39
Citroen Xsara Picasso - Extremely high idle. - Gibbo_Wirral

Did you get it checked with Lexia diagnostic equipment? That can do much more than just code read, it can read live engine data and check components.

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