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post #1 of 2 (permalink) Old 27th June 2009 Thread Starter
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preheating warning light

Hi i have an 03 plate Renault Laguna 1.9Dci, the cars preheating warning light keeps coming on and off when driving which causes serge's in power all so the revs stay hi until the light comes on and then the revs drop and ideas ? thanks Dan
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post #2 of 2 (permalink) Old 27th June 2009
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It may be down to a dirty or sticking EGR valve. Definitely worth a look I reckon - a fairly common problem on the Dci engine

Do a search of the forum for " EGR valve" which should bring up some relevant posts on the topic
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light , preheating , warning

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