Car is turning over but wont start, seems like glow plugs not getting power, also light on dash not lit
You must have the immobilizer re-initialized as it has has lost its programming due to extended period without power
SOURCE: My 2003 Renault Megane Scenic 1.9dci expression won't start
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
SOURCE: i have renault scenic megane
hallo
1.5 or 1.9 dci does not engage glow plugs until -4?C or below. so, check if fuel does not drain (in the morning). or if batery is week. try start with cabels (jump start) and see if start sooner.
another thong is if EGR valve always stays open (stick)
hope it helps
Marko
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