Question about 2004 Renault Megane 1.5
Hard starting in the morning takes about 10min to start after several attemps thick white smoke, and judders really bad it will run normal after half hour later until next cold start, ive had a diagnostic run and came up as injectors ive had them refurbd at a diesel specialist put the back in and same problem i had the light turnd of and started fine on a cold start and the 10 min later check injection came on again back to square 1 ive had new fuel filter injectors refurbd glow plugs egr valve and battery and no joy help..
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Posted on Jan 02, 2017
sounds like the dreaded renault immobiliser ,in which case its dealer only as software encrypted.whats happening is the immobiliser is stopping it from starting when key is in start position cranking but it will go with a bump as starter motor key position not activated .try a wire from battery to small connector on starter motor .if it starts which i think it will then you know what to do ...old fashioned way with a push button.but are you getting prepared to lay the golden egg ???just in case
Posted on Nov 22, 2008
This being a diesel, lack of compression is your worst enemy. These symptoms sound like a blown head gasket. Check your coolant for signs of oil, and check your oil for signs of coolant. (oil will be milky looking) Also indicative of a head gasket problem is an oil or coolant leak from the engine as well. If you see no evidence of the above, have a compression test done, and it should show up.
Posted on Oct 20, 2009
The funny sound you mentioned must be identified, could it be the starter trying badly to turn. Here the fault of your battery drain is that the glow plugs take a lot of current and it must NOT come ON when the starter motor runs. Hence the fault could be your GLOW plug relay unit with the auto cut off timer that is faulty. If you keep draining the battery to a lower threshold level , there is every possiblity that the battery life will be lowered . I hope the present battery rating is the recommended Amp/hr rating to give the extra run for the morning start. Next area of suspicion is the starter motor itself , it could have a bad commutator or a bush. It will be good to have a clean up and service. Finally check for excessive drain on your battery with a current check in series for the drain current when the switch if off. If the current exceeds the limit disconnect each circuit to confirm. hope this advice helps. good day
Posted on Jul 22, 2010
SOURCE: renault megane 2004 - when
it`s the oxygen sensor
thats why the car is mix fuel/air in wrong ratio generating unburned fuel in form of black smoke and check lights on
you got to change that sensor
i hope my answer was helpful and convince sir .
Posted on May 30, 2011
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