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Car is hard to start

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Old 10-25-2008, 08:40 PM
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The 337
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Car is hard to start

This may have been answerd before but search didnt find much. Just recently my 8 has had a hard time starting. Doesnt mater wether the car is warm or cold, It has been taking about 3-4 sec of cranking to start the car, and the battery does not sound weak. I have a little under 42k miles on the car, I just had the RP HighFlow Cat instaled. I dont see how that could have anyhting to do with it.
Old 10-25-2008, 08:48 PM
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When were the spark plugs changed last? And have you ever changed the coils?
Old 10-25-2008, 08:54 PM
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Mazda "says" everything was changed at 30k miles
Old 10-25-2008, 09:35 PM
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Do you have the replacement high torque starter? How do you like the super cat / RB exhaust combo?
Old 10-27-2008, 11:41 AM
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Originally Posted by Low Fly'n 8
Do you have the replacement high torque starter? How do you like the super cat / RB exhaust combo?
I do not have the starter, I love the SuperCat/RB exhaust

Last time I filled up I put a little too much pre mix in, could that be the problem?
Old 10-27-2008, 12:07 PM
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If by 'a little' you mean three extra bottles, then that's not the issue.

I'd suggest it may be the starter, coils or plugs.
Old 10-27-2008, 12:38 PM
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2 things:

One, I see that you have a K&N intake. When was the last time it was cleaned and reoiled, and if it has been in for a while you might want to clean the MAF sensor?

Two, if the car is idleing and running OK, then I would discount the sparks or coils as the problem, and I would think about high speed starter if you do not already have it.
Old 10-27-2008, 02:03 PM
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make sure that you have the updated starter.
Old 10-27-2008, 02:08 PM
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Originally Posted by Haze
2 things:

One, I see that you have a K&N intake. When was the last time it was cleaned and reoiled, and if it has been in for a while you might want to clean the MAF sensor?

Two, if the car is idleing and running OK, then I would discount the sparks or coils as the problem, and I would think about high speed starter if you do not already have it.
I did buy the intake used from a member here so it may be a little dirty, but the car idels fine, i dont see how the intake could affect starting that much. Also where can I get the upgraded started? BHR?
Old 10-27-2008, 02:23 PM
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A clogged air filter can cause starting issues as well as idleing issues because of the lack of air. That happens with the stock filter as easily as a K&N.

Upgraded starter is a TSB from Mazda. I got it for free before my warranty ran out. Not sure if your car is part of the TSB VIN range. If it isn't part of the VIN range then you have the starter already factory installed in your car.
Old 10-27-2008, 02:55 PM
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Well I will clean my filter and see if that helps, I have to go to mazda to get a new shock put on soon, so I'll just ask them about it while I am there
Old 10-27-2008, 04:05 PM
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coils fixed my car taking 4-5 seconds to start (as well as eliminating high rev misfires).. my car now starts in 1 second flat.
Old 10-27-2008, 05:57 PM
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My car only takes an extra second to start if it's REAL cold outside...
Old 10-27-2008, 09:19 PM
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Does anybody happen to know the name of the TSB. I'm having the same problem even after installing new coils, spark plugs, and cleaning my K&N filter
Old 10-27-2008, 09:20 PM
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engine flood
Old 10-28-2008, 12:26 AM
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Dealer rectified.

Last edited by RotoRocket; 10-28-2008 at 09:33 PM.
Old 10-28-2008, 09:47 AM
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Originally Posted by cpo32
Does anybody happen to know the name of the TSB. I'm having the same problem even after installing new coils, spark plugs, and cleaning my K&N filter
It was TSB 01-048/06; unfortunatly, they have revised it, leaving out all the battery and starter information.

Last edited by EDZRIDE; 10-28-2008 at 10:43 AM.
Old 10-28-2008, 09:20 PM
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Thanks for the help...here's a link to the old TSB

http://www.finishlineperformance.com...48-06-1691.pdf
Old 10-30-2008, 08:36 AM
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Turns out it was a bad battery. The battery was only cranking at less than half power
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