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Vehicle Electrics / Re: Battery replacement
« Last post by Engineer Andy on Today at 01:09:38 PM »
I've not done it on the Mazda but on other cars, removing the battery generally resets the personal settings. Day, date, mph/kph, litres/gallons, some of the door lock options but it just needs to be gone through and reset. :)

Quite correct, at least that's what happened when I've had my mk1's battery replaced (twice in 13 years, roughly every 4-5 years depending on the type of usage).  I always took the safe option and had the work done at the dealership, who presumably took note of the settings and changed them back manually, or have some fancy device that can do it all at once.  I know that all my 'accumulated' trip computer figures (not the mileage) such as the average and overall mpg are always gone when the battery is replaced, and, I think, all the radio presets and audio settings and back to factory defaults for the UK, meaning you'll have to reprogram all the radio stations.  It may be different though for the mk3, whose system is obviously of a LOT newer design and so may be able to done far quicker and easier - I'll leave that to other forum members who have mk3 cars to say.

Not sure about the engine management system though, which perhaps need to run for a while to re-learn all the appropriate settings for the air-fuel ratio, etc etc, so the car might run a bit rough for 10-15 miles or so.  I've seen YT videos that show that it can re-learn after about 20mins.
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Mazda 3 / Complete Mazda Beginner - Looking for the right car
« Last post by LightlessCipher on Today at 06:30:56 AM »
Hi all,

Hope you help me. I'm looking at buying a 2004-2008 Mada 3 (Probably 05-06). Im wondering if you guys could point anything i should look out for whilst looking at cars.

Also i hear that these cars are quite reliable, but do they have any problems? And how much to do spares and fixes/maintenance tend to cost.


Hope you can help.


Cheers,


Jamie
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I've just got/sold my Mazda 3 / Re: New Member - First Mazda
« Last post by Willpower on Yesterday at 09:28:54 AM »
Welcome to the forum :)
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Bodyshop & Garage Reviews / MOVED: Wheel arch liner
« Last post by Willpower on Yesterday at 09:25:52 AM »
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Vehicle Electrics / Re: Battery replacement
« Last post by Alfisto on Yesterday at 09:13:24 AM »
I've not done it on the Mazda but on other cars, removing the battery generally resets the personal settings. Day, date, mph/kph, litres/gallons, some of the door lock options but it just needs to be gone through and reset. :)

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Vehicle Electrics / Re: Battery replacement
« Last post by elduderino on Yesterday at 07:54:16 AM »
Hi
Thanks for the reply

Sorry , i haven't made my self clear.
What i am concerned about is when the battery is removed will it have any effect on the Computer management/system software/Memory, (that sort of thing) if power is lost?

Regards
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Vehicle Electrics / Re: Battery replacement
« Last post by cwilliams255 on November 12, 2018, 09:57:10 PM »
I’d say fitting a new battery is well within the realms of what a reasonably competent person can do. That term of course is open to your own interpretation but just be careful with metal objects around the battery to avoid any sparks, the weight of the battery when lifting it out and keeping the battery as level as possible to avoid any acid spills. I’d imagine there are plenty of videos online to provide guidance. I have a gen 2 and replacing the battery was easy
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Bodywork / Wheel arch liner
« Last post by Duracell1966 on November 12, 2018, 09:37:29 PM »
Hello all I am a newbie. Recently bought a Mazda 3 Sky Activ Sport. I need to a new wheel arch liner on is it easy to take off old one and put a new one on. Any instructions would be gratefully recieved
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Wheels/Tyres / Re: Tyre pressure Sensor
« Last post by elduderino on November 12, 2018, 07:25:25 PM »
Hi

Managed to get hold of a very helpful lady at Mazda, UK. She said that it is the Tyre rotational difference, that uses the abs sensors
She said to tell the service dept(Service next Week) to phone Mazda Tech support, & they will tell them how to correct it.

Many thanks StevenRB45 ,& hanix
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Mazda 3 / Re: The Mazda 3 Fuel Economy Thread
« Last post by 3spav on November 12, 2018, 04:48:35 PM »
New Member 3spav and my first Mazda

2018 Mazda 3 SportNav 2.2D Auto
Mileage 8000
Av mpg 40   Town/N Yorks 36   Mway 44  Computer 1.4 optimistic
Love the car but its impossible to lock in as higher gear as I would like on this gearbox to save on diesel.
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