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Mend Renault Laguna Replaced Spark Plugs

renualt laguna?

my car keeps juddering and losing power i have replaced the spark plugs and coils and had a diagnostic test done which did not show anything up im wondering if it is the compressons or ignition plugs thanks

shell
May 2010
Not an answer but just registering a similar experience in the hope that someone knows the answer.

2 Litre 8 valve petrol engine, new plugs, leads, MAP sensor.

SYMPTOMS: Starts brilliantly from cold and runs perfectly. If you then park up (eg, having driven a couple of miles to the shop) and let it stand a little while, on re-start it suffers classic fuel-starvation problems which, having coaxed it along on a light throttle to keep moving for 100 yards, suddenly clear and it then runs like a good-'un. It surely has to be a sensor?

Mike Rochester
May 2010

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