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Why won't my 2011 Holden Epica work after using it to jump-start another car?
Seems like you might have two problems here. The first is that I suspect youβve may have fried the computer in the Holden in the process of jump-starting your other car. Jump-starting a modern car with on-board computers is something that should only be attempted by somebody who is a specialist. Thereβs a specific technique that goes beyond simply hooking up the jump-cables and hoping for the best. Itβs all too easy to send a voltage spike through the car and send the computers into melt-down. That would explain why the car will not restart.
As for the milky oil and the sludge under the oil-filler capo, that sounds unrelated but still serious. A blown head gasket can lead to this exact set of symptoms and it occurs when the engineβs coolant is allowed to mix with the oil (and vice-versa). Sometimes in these colder months (particularly in Tassie) itβs not uncommon to get a small amount of frothy, grey muck under the oil-filler cap, but not a huge amount. And if the oil on the dispstick is also covered in oil contaminated with coolant, then youβre looking at a new head gasket at a minimum.
Iβm not sure I agree that all modern Holdens were problematic, but the Epica, which was really a Daewoo (it was built in South Korea) with Holden badges, is definitely on the suspect-reliability list.
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Holden Epica 2009: Ignition not working
As it is an intermittent problem itβs hard to be definitive, but I would suggest you look at the fuel system, and check for a faulty electrical connection that could affect the operation of the fuel pump or injectors.
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Holden Epica 2007: ABS problems?
There was a recall on the Epica in 2012 to correct reduced brake performance and/or a spongy low brake pedal due to a sticky valve in the Electronic Brake Control Module.
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