Question about Renault 181

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My renualt laguna 2003 2.2dci has a cold start problem, if i spray easy start into the air filter, it starts, what could be causing the problem? regards gary

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  • garyholland1 Jan 05, 2009

    hi i have alreay had these checked by a garage. took the car to renaults. they tell me the problem is a fuel sensor.

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I would suggest that the heater plugs in the engine are either faulty or not working, the can be checked if you know what you are doing, they basically act as a heater inside the engine when it is cold, if they are not working, a diesel engine relies on heat i ignite the fuel airmixture unlike a petrol engine that has a spark plug that ignits the fuel. if there is no heat the fuel air mixture will not ignite. Check that power is going to the heater plugs,it will be 12 volts, if there is remove the heater plugs(easier said than done) then check the heater plugs,(the engine can not be used when the heater plugs are removed). I would sugguest getting some one who knows how to check them if you are not sure, as you have to basically put 12v to them and they glow red hot at the tip.if they dont glow when wired up they are faulty, and change them all, about £40 a set if you shop around.

Posted on Nov 01, 2008

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