Renault Laguna Renault laguna revving by itself

2003 Renault Laguna Problem

CarRenault Laguna 2.0l auto
Ownerahmad abu hartheih
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I have Renault laguna 2.0 16v 2003. It has an on going problem whereby after travelling about 8 to 10 miles if I stop and start the journey again, the car starts ok but after few minutes the electrical fault light comes on and the engine starts to rev betwwen 2000 and 4000 revs. and the accelator has no control over the engine speed. The car has been in the garage and they have replaced throttle body, spark plugs and the injector E.C.U. After the ecu was replaced car was ok for couple of months and now the problem have again surfaced and is getting worse. Initially problem was occuring one a month or so but now it is occuring regularly whenever and I make start stop journeys. The distance of the journey I thionk is not important but whenever the car is stopped and restarted within half an or so the problem occurs . If the car is left standing for few hours and then started it will take longer for the problem to reoccur.
Problem Category
Engine, Cooling System & Drivetrain

Electrics, ECU, Warnings & Lights

Running Rough, Starting & Power Loss

Cp123 | Driver | Since: Jun 2015 | Posts: 0 | Fixes: 0 | View Garage
Suggested Solution

Hi ahmad
I have the same problem
just wondered if you've managed to fix it ?
You've had more done to yours so far and I'm guessing what you've tried wouldn't fix mine either

Posted on Friday 12th of June 2015
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