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04 GT taking along time to start

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Old 12-12-2008, 06:12 AM
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First check your battery, if it has never been changed then its about time, that may help your starting. Cold weather puts alot of strain on batteries. Second about warming the engine, start the car while it is cold and wait about a minute or so for the RPMs to drop a little then drive to your destination. While driving never accelerate hard or go over 3k RPMs until the engine has completely warmed up for a few minutes. Forget that whole rev the engine at 3k RPM thing, the best way to warm the engine is by driving it. Just remember to wait until the engine is fully warmed(about half way up the temp gage) before shutting it off, doing so may lead to flooding
Old 12-12-2008, 09:11 AM
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used car matt?
Old 12-12-2008, 10:50 AM
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I bet its a weak battery. Get one that has more CC (cold cranking amps) than what you have now.
Old 12-12-2008, 10:57 AM
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^ good advice above. A new battery is cheap insurance.

Later year cars have a starter that spins faster (as well as a better battery); although your warranty is probably gone.

Your thoughts about new wires, plugs and coils are also very sound. Upgrading these components will help to get a better spark. If you can do replacements yourself, you'll save a lot of money.

Also, if you leave your car outside a lot, there are stick-on oil pan heaters for less than $100, from a good auto parts store.

Good luck.
Old 12-12-2008, 11:13 AM
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I got a new battery and my starter is the 12v-2.0kw instead of the 12v-1.4kw, but mine is a mt. My car started slow until I got the new battery. The old battery seem to hard charge just fine, but I think it was getting weak and my gauge doesn't pick that up. It was about 20*f here and so far so good. I got this information from a page mazda sent me.
Old 12-12-2008, 02:37 PM
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Im confused...are you asking how to properly shut off the engine before it warms up?
Old 12-12-2008, 02:57 PM
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Well to me I think the new starter would help since it's a little bigger, and if you can get the same size somewhere other then mazda it shouldn't cost to much. I've changed my coolant and have no problems, but I do want to use the stuff mazda has since it sounds better, but that's my opinion. I know in my manual it doesn't specify any kind, but it does tell you not to use coolant that contains alcohol, methanol, borate, or silitate. I'm sure there is better info on the coolant on this site so probably just take a look and see what's there.
Old 12-12-2008, 03:41 PM
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ok well there is no way to shut off the engine if its cold. Dont start the car if you dont plan on letting it warm up. Why do you want to shuf it off while its cold? Do you live really close to work/school?
Old 12-12-2008, 04:21 PM
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yes some people rev to 3k rpm and turn off the engine. Theoretically the fuel injecters will stop injecting fuel when you turn the car off but the rotars will spin a few times and expel all of the excess fuel. Use at your own risk though, is it really worth risking another 500$ to get the dealer to de-flood your car agian? Its much easer to just spend an extra 5-10 min to warm your car up, but do as you please
Old 12-13-2008, 11:58 AM
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yeah if you dont' have to shut down cold don't but if you do hold at 3k for up to 10 seconds then shut the key off and the rotors will keep spinning and finish pushing the excess fuel out......

Oh and if you do flood it DO NOT PAY 500 dollars to fix it....just deflood yourself either do the procedure in the manual or pull the plugs crank it over and purge all the gas out of the chamber clean plugs/or replace and put back in and it sould fire right up....500 is a rip off for somehting u can do in half hour
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