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Mazda MX-5 Miata Starting and Stalling Problems

58 messages,  Last post on Nov 09, 2009 at 3:43 AM

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What is this discussion about? Mazda MX-5 Miata, Engine, Convertible


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#39 of 58
Re: 99 Miata Problems [caledelaney] by solutionplease
Apr 11, 2009 (7:56 am)
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Replying to: caledelaney (Mar 19, 2007 5:51 am)

Heii, Excuse me but did you ever find the solution to the problem you had?
Because people I have the same problem, I have a Mazda mx3, It doesnt start, well sometime it starts and then it dies, I hit on above 2 - 3 Rpm and it dies, I dont know what the problem is, We changed the gas tank and we charged the battery also. But we havent figured out what the problem is.. Can SomeBody help me.
 Thanks. Alrassam
#40 of 58
Re: 99 Miata Problems [solutionplease] by ateixeira
Apr 13, 2009 (10:11 am)
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Replying to: solutionplease (Apr 11, 2009 7:56 am)

As they say, spark or fuel.
 
Could be the fuel pump, or a bad fuel filter.
 
On the spark side, how old are the spark plugs? My Miata also ate through spark plug wires every 30k miles, that may be the most likely cause if the wires are older. Beyond that check the ignition coil, too.
 
I bet it's your spark plug wires.
#41 of 58
Tony125 by tony125
Jul 21, 2009 (10:33 am)
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Hi,
I have a MX-5 California -2001 and, guess what? It starts first thing then, after about twenty mins or so it starts to lose power and stops!! No engine light, no smell?? Have changed the puel filter, crank sensor and also had the coils renewed today and on the way home stoped for about ten minutes then wouldn't start again, after abou a half hour wait it started and got me home- I'm tearing (whats left of) my hair out. I don't know what else to change, I'd like to change the car but if it won't start I can't sell it!!
Any experts out there please cuz Mechanics don't seem to know whats wrong.!!!!!!!
#42 of 58
Re: Tony125 [tony125] by ateixeira
Jul 27, 2009 (10:03 am)
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Replying to: tony125 (Jul 21, 2009 10:33 am)

It must be heat related.
 
How old are the plugs and plug wires?
#43 of 58
Re: 2000 Mazda Miata with the standard stalling problem [uniboy] by mmaxey
Aug 03, 2009 (10:31 am)
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Replying to: uniboy (Apr 14, 2007 2:02 pm)

I'm new to the forum, and signed up because I am having the same issues with my 1999 Miata as 'uniboy' in post #7 and havent been able to find a solution. Last year I changed my timing belt and water pump. In the past couple of days since I've been having this problem, I've changed the spark plugs, s.p. wires, coil pack, fuel filter, and fuel pump, and still having the issue. It will run great until it gets warm, then stumble, sputter, misfire, and stall. Once the engine is cool again, it'll start up nice and smooth, until its warm, then do it all again. Needless to say, it's undrivable until I find a fix.
 
Does anyone have the solution? Please e-mail: M_Maxey_2000 at yahoo dot com
#44 of 58
Re: 2000 Mazda Miata with the standard stalling problem [mmaxey] by uselman
Aug 03, 2009 (2:04 pm)
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Replying to: mmaxey (Aug 03, 2009 10:31 am)

Are you using mazda plugs. Sounds wierd but for some reason it makes a difference with these cars. I had a similar problem which is fixed now but I don't think we ever resolved what actually started it. They simply replaced my coil pack and plugs and also a converter that had gone bad in the process but the folks at Mazda were unsure as to what started it. They said it could have been the wrong plugs or extreme carbon build-up. I bought the car used and they were telling me that a lot of Miata owners especially older females tend to drive them too gently and that they need to be reved pretty good to blow out the carbon. You might try carburator cleaner and make sure you have Mazda plugs. Other than that maybe a bad sensor. Sorry I don't have something more definite. My brother knows a lot more than me so I'll check with him and message you back. Cheers- Greg
#45 of 58
Re: 2000 Mazda Miata with the standard stalling problem [uselman] by mmaxey
Aug 03, 2009 (3:23 pm)
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Replying to: uselman (Aug 03, 2009 2:04 pm)

Thanks for the suggestion, I'm using ngk plugs and wires and have since I've owned the car with no problems. I'm starting to lean towards the cam position sensor giving me the issues, but I'm looking for some backup on that, haha. Thanks for the help. If you hear of anything else, please drop me a note.
#46 of 58
Re: 2000 Mazda Miata with the standard stalling problem [mmaxey] by uselman
Aug 03, 2009 (5:55 pm)
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Replying to: mmaxey (Aug 03, 2009 3:23 pm)

My brother said it could be the Idle Air Control Sensor. This sensor works once the car warms and controls air intake at stops. He said not to buy a new one because it most likely needs just to be cleaned. He said this is most likely the case if you do not have a check engine light on. Hope this helps. Good luck. All in all they really are great cars though. Mine is at 200110 miles and still runs really well. Starting to burn a little oil on long trips though but I guess thats to be expected with that kind of miles.
#47 of 58
Re: 2000 Mazda Miata with the standard stalling problem [uselman] by ateixeira
Aug 04, 2009 (6:42 am)
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Replying to: uselman (Aug 03, 2009 2:04 pm)

they need to be reved pretty good to blow out the carbon
 
Ah, the good ol' Italian Tune-up.
#48 of 58
Re: 2000 Mazda Miata with the standard stalling problem [mmaxey] by thesluce
Aug 04, 2009 (9:47 pm)
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Replying to: mmaxey (Aug 03, 2009 3:23 pm)

I bet it's the Cam Position Sensor (CPS). This is a super well known issue for the 2001 Miata. Check out the forum on Mazda.net for help with it:
 
http://forum.miata.net/vb/showthread.php?t=274730
 
Down the page some is even a photo of where to find the CPS if you don't know where to find it already. It's SUPER easy to replace and will probably cost you about $80 - $100 for the part. Undue one bolt, slide out the CPS, slide in the new CPS, tighten bolt ... you're good to go.
 
You can pull the CPS out, give it a good cleaning, chill it with another cars A/C or another way, stick it back in and see if that temporarily helps. It might but you probably just need to get a new CPS. This problem is so common it's unbelievable. They need to recall the car over it. I just don't think there have been enough complaints. If you would like to file a complaint with the NHTSA then you can either call them or file a report here:
 
http://www-odi.nhtsa.dot.gov/ivoq/index.cfm
 
Hope it works out for you.
 
Cheers,
Paul

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