Renault Scenic (2003 - 2009) - 04 1.9 dci - loss of all power & revs

Honest John Back Room » Technical matters
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Mon 9 Jun 2008 21:24
04 1.9 dci - loss of all power & revs - SadSan
HELP.....We have a Scenic 1.9 dci 04 (35k)....it went wrong as we drove it off the forcourt at a non franchise dealers.

When driving at any speed or any gear it will completly lose all power & revs and go to idle speed....you cannot accelerate ...but have to take your foot tottaly off the gas then put it on again for it to pick up again.

Its been back to the horrid dealers twice....they put it into renault and it was given back to me ......no difference...just the same....Im completly fed up as we have to take it back a 3rd time.....we only bought the car 2 weeks ago its been back in the dealers for over a week.

Any ideas as to what the problem is please.

thanks guys
SadSan

{subject header amended to give a brief description of the question being asked}

Edited by Dynamic Dave on 09/06/2008 at 22:13

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Mon 9 Jun 2008 22:59
04 1.9 dci - loss of all power & revs - Screwloose
SadSan

The clue may be in the fact that it drops to idle speed. When the brake [and clutch] pedals are depressed, it cuts the fly-by-wire throttle to idle as a safety back-up.

Check the adjustment of the brake [and, if fitted, clutch pedal position sensors. Watching to see if the brake lights come on with only minimal pedal travel might be worthwhile. [Although there are two separate circuits in the switch.]
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