Any Car Mechanics or Car experts around. ?

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Any Car Mechanics or Car experts around. ?

Postby jp761 » Wed Jan 25, 2017 11:07 pm

So is anyone on here a car mechanic or just generally very good with cars. ? What are the causes of a car battery draining right down overnight even after a jump start the battery is still drained and dead the next day! The battery is quite new by the way. I've read a little about parasitic drain.

The car has been checked on diagnostics equipment the garage says it's a motherboard and instrument panel issue.
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Re: Any Car Mechanics or Car experts around. ?

Postby Stooo » Wed Jan 25, 2017 11:13 pm

Your battery is fucked, get a new one.
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Re: Any Car Mechanics or Car experts around. ?

Postby jp761 » Wed Jan 25, 2017 11:16 pm

That's the thing the battery is fine according to them they say a motherboard/electrical fault is causing the draining problem as I said.
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Re: Any Car Mechanics or Car experts around. ?

Postby Stooo » Wed Jan 25, 2017 11:28 pm

jp761 wrote:That's the thing the battery is fine according to them they say a motherboard/electrical fault is causing the draining problem as I said.


Take it to a battery place or get another car.

I'm not joking. Modern Volvos will lock the car with they keys inside and the computers drain the battery quickly.

Get a car that doesn't do that because things go wrong.
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Re: Any Car Mechanics or Car experts around. ?

Postby jp761 » Wed Jan 25, 2017 11:32 pm

Stooo wrote:
jp761 wrote:That's the thing the battery is fine according to them they say a motherboard/electrical fault is causing the draining problem as I said.


Take it to a battery place or get another car.

I'm not joking. Modern Volvos will lock the car with they keys inside and the computers drain the battery quickly.

Get a car that doesn't do that because things go wrong.
It's not a Volvo but I do know they don't make cars like they used to haha Too much electronics are the problem.

Come to think of not much is made like it used to be. :laughing:
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Re: Any Car Mechanics or Car experts around. ?

Postby Si_Crewe » Fri Jan 27, 2017 5:45 am

I would have suggested the Alternator but presumably the diagnostic machine would be able to differentiate between that and a "motherboard or instrument panel" fault.

Honestly, I'm a bit dubious of that diagnosis. I can't really see how the ECU or the instrument panel, themselves, would use enough leccy to drain a battery overnight, unless it's keeping something else running even after the ignition is off.
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Re: Any Car Mechanics or Car experts around. ?

Postby Stooo » Fri Jan 27, 2017 9:27 pm

Si_Crewe wrote:I would have suggested the Alternator but presumably the diagnostic machine would be able to differentiate between that and a "motherboard or instrument panel" fault.

Honestly, I'm a bit dubious of that diagnosis. I can't really see how the ECU or the instrument panel, themselves, would use enough leccy to drain a battery overnight, unless it's keeping something else running even after the ignition is off.


I refer you to my Volvo anecdote. Up to seven computers activate when the keys are in the ignition without turning anything on.
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Re: Any Car Mechanics or Car experts around. ?

Postby Guest » Sat Jan 28, 2017 3:25 pm

But your car doesn't need a battery...

Image

:dunno: :dunno:
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Re: Any Car Mechanics or Car experts around. ?

Postby jp761 » Sat Jan 28, 2017 4:24 pm

Guest wrote:But your car doesn't need a battery...

Image

:dunno: :dunno:
Very droll can't you even grow up in the civil parts of the forum!
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