Need tips, new mazda mx3 GS

V6 Technical/Performance Discussions
NateBaden
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Need tips, new mazda mx3 GS

Post by NateBaden »

i know this will sound newbish but i need some tips at where i should shift for best gas mileage seeing how i didnt get an owners manual with this vehicle

and also, it idles differently every time i drive it
i had it set to about 700 RPM
but no matter what it will jump up to a thousand if i touch the accelerator and it will stay idling at 1000 or above.

i just need to save money cuz i am currently unemployed and my mom is paying for my gas :P
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Re: Need tips, new mazda mx3 GS

Post by fowljesse »

I've done some research, and found that accelerating fairly briskly (about 60% throttle), and shifting at about 2500rpm and cruising at 68mph gives the best mileage. In lower gears, you'll want to cruise at about 2600-2700rpm.
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NateBaden
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Re: Need tips, new mazda mx3 GS

Post by NateBaden »

i am not sure if this is normal but in 5th at 60km/h i am at about 1950RPM
the guy i bought it from messed with the throttle to bring down the idle. now that i kinda have it set i only ever use the idle screw. but i only get like 260km to a tank.
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Tollis
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Re: Need tips, new mazda mx3 GS

Post by Tollis »

60km/h at 2k in 5th is baddddddddd. Are you sure your not in 3rd? Not sure what that would be.

260km to a tank is terrible in getting almost 400km to a tank if I drive like a granny. But this is probuably due to your gearing issues.
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Re: Need tips, new mazda mx3 GS

Post by mikeinaus »

your idle problems can be from a vacuum leak or your tps might not be set properly. i dont know offhand but 2krpm at 60km/h sounds about right. 2k-60km/h= 4k-120km/h which sounds pretty normal. our cars have smaller gears so they run a bit faster then others doing the same speed.

im also getting around 250km a tank. ive tried almost everything to fix it but the only thing ive got left to try is my alignment. bas fuel mileage can be caused from alot of things but faulty o2 sensors, vacuum leaks, wheel bearings, tire pressure,alignment and brakes being stuck on are usually the main ones. make sure all your fluids are topped up aswell. are you getting any cel codes?

http://www.mx-3.com/phpBB3/viewtopic.php?f=23&t=34787" onclick="window.open(this.href);return false;
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Re: Need tips, new mazda mx3 GS

Post by NateBaden »

thats the problem i have next to no tools
my dad cant seem to just keep them in the garage so now i cant find anything
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Re: Need tips, new mazda mx3 GS

Post by NateBaden »

oh and i somehow fixed the idle problem lol
just did that like 15 minutes ago and its staying at 700RPM now
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Re: Need tips, new mazda mx3 GS

Post by mikeinaus »

you should be able to get a cheap socket set from canadian tire that should work for you. i got mine on sale for $50, its normally $150 and has lasted me threw a engine swap. wreckers and this forum are a good place to find used parts for fairly cheap.
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Re: Need tips, new mazda mx3 GS

Post by NateBaden »

nice, thank you

just after getting the heatercore changed to the tune of $1129 i am big time broke haha
bout the car for $1700 and just about spent that amount in repairs
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Re: Need tips, new mazda mx3 GS

Post by mikeinaus »

:shock:

buy a repair manual... mechanics are a waste of money unless its something you cant do yourself. alot of repairs are easier then youd think.
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Ryan
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Re: Need tips, new mazda mx3 GS

Post by Ryan »

heater core is a beech though. Thats probably the worst thing I can imagine.

Still would rather swear and struggle though it, as it takes a week of work to pay for the mechanic to do it.
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mikeinaus
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Re: Need tips, new mazda mx3 GS

Post by mikeinaus »

you make $1200 a week :shock: thats like 3 weeks work for me lol
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Re: Need tips, new mazda mx3 GS

Post by Newfie_dan »

NateBaden wrote:nice, thank you

just after getting the heatercore changed to the tune of $1129 i am big time broke haha
bout the car for $1700 and just about spent that amount in repairs
how many freakin hours did they charge you to do it? Hell I can do it in 4-5 hours total, mind you I know where to access everything and how to get the dash out pretty fast.
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Re: Need tips, new mazda mx3 GS

Post by NateBaden »

well this mechanic is actually a family friend and i have absolutely none of the tools to do a heatercore replacement. they actually had to order the heatercore in from toronto cuz they had 2 or 3 heatercores in but none actually fit cuz of the damn pipe lol, all the ones they had in the shop were straight pipe instead of the bent.

and i have looked everywhere for a repair manual and no one has one so my mechanic is getting another copy of the ones they have for me.
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Re: Need tips, new mazda mx3 GS

Post by Newfie_dan »

yeah but what I meant was 5 hrs x $120/hr (average rate for a mech shop in alberta) is $600 bucks labour, the heater core is no more than $50-60 bucks and coolant runs about $10-15, so where the hell did they pull $1129. At most it shoulda ran you $750 ish.
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