Ive done a search, but seem to be none the wiser on how to solve my problem.

The car is idling anywhere between 2.5-3.5k.

I have:
- cleaned the ICV.
- checked the air hose to throttle body.
- wiped trace amounts of oil out of the throttle body.
- reset the ECU, a few times.

The problem seems to go for a while, but if there car was left overnight the high idle returns the next day?? It also happened when the car was left for about 12 hours at work today.

So I unplugged the MAP sensor, as it was idling high, the engine cut straight out. Does this mean the sensor is broken or working correctly??

I was going to change this sensor first, as its the ceapest one, but if you have any ideas they'd be greatly appreciated.

Thanks
Eug

Personally I'd just buy a new stepper motor. I had a similar issue with my old Xsara VTS. A new stepper sorted it

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My old man wrote me a letter from prison once. It said if you don't want to end up in here, stay away from crime, women and drugs. Trouble is, that don't leave you much else to do, does it?

Will give the stepper a change too, fingers crossed it will sort it.

before i would go about changing anything i would test the sensors with a multimeter there is a guide on here wich will show you how to to this.

do a serch on testing sensors.

i have a similar isue with my car a year ago and i tested the sensor and all came back fine.

when i spoke to one of my dads mates he worked for peugeot for 20 years he said that sometimes it can happen that the ECU doesnt know the position of the stepper motor so it assumes its in a location when it actual fact it aint.

he pluged the computer on it and fiddle with it dont know what he did but sorted the problem out.