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Author Topic: Engine management  (Read 971 times)

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techno guff

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Engine management
« on: 23 July 2011, 12:17:02 »
Hi Everyone,
My 2.2 dti CD estate 2002 reg has strange problem with EM light & power reduction. Fault code is P0400 EGR valve - replaced but EM light persists.Not sure if throttle pedal potentiometer at fault.Indicated by another garage but more diagnostic costs. Car drives fine till constant speed maintained - ie motorway type drive. By varying pedal position every10 seconds or so EM light stays off and normal power maintained.Towing my caravan this way quite tricky.Any gems?  8-)
« Last Edit: 23 July 2011, 13:27:57 by pablo21 »
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TheBoy

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Re: Engine management
« Reply #1 on: 23 July 2011, 12:20:18 »
Hmmm, better diagnosis methinks  :-/

Where are you?
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Grumpy old man

techno guff

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Re: Engine management
« Reply #2 on: 23 July 2011, 13:29:37 »
Based in West Manchester
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TheBoy

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Re: Engine management
« Reply #3 on: 23 July 2011, 19:30:21 »
Bugger, bit far from me. Hopefully a member nearby might be able to get some live data off the throttle sensor.
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