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Mazda MX-5 Miata (2005 and earlier)

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What is this discussion about? Mazda, Toyota MR2 Spyder, Mazda MX-5 Miata, Convertible

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#4251 of 4340 Check engine light - spark plug problem? How to replace those? by fluxcapacito Jan 08, 2007 (1:14 pm)
I originally posted this in a different area but am learning how to navigate the site.   I need help with my 2000 Miata (mileage 58000) - the check engine light is on constantly. Mechanic says "misfiring cylinder" and suggests the spark plugs be replaced. This can't be rocket science...can anyone tell me where they are located? My owner's manual says absolutely nothing.        Besides the spark plugs, I have brand new air, fuel and oil filters (and newly changed oil)...any ideas why my engine check light would still be on? I have to get an emissions test and I am running out of things to fix!!    Thanks in advance!   Flux Replies to this message: ateixeira (Jan 11, 2007 6:09 pm)
#4252 of 4340 Re: Check engine light - spark plug problem? How to replace those? [fluxcapacito] by ateixeira Jan 11, 2007 (6:09 pm)
Replying to: fluxcapacito (Jan 08, 2007 1:14 pm) Spark plug wires are the most likely problems. They last only about 30k on the Miata, I'm on my 3rd set already!   The spark plugs are easy to get to, right at the top of the engine, where the four wires lead in to the top of the heads.   To be honest, if you have to ask, I'd recommend a mechanic. You should use anti-sieze on the plug threads since it's an alloy block, and you would need a torque wrench to prevent overtightening.   Try those 2 things first. At 60k you should pretty much replace them anyway. Best of luck.   -juice
#4253 of 4340 2002 Miata Electrical Mistake by medic2240 Feb 20, 2007 (6:59 am)
I had some issues with my battery the other day, and before I noticed my mistake I had placed the jumper cables on backwards. Now I am having some electrial issues. The Miata runs and drives still, (I replaced the battery after I jumped the car) but now the interior lights don't work, and the radio doesn't work. Everything else, (the lights, wipers, cruise control, etc.) seems to be fine. When the car is started, it seems to take longer to fire when turning over. Also, the car sometimes has "power surges" when you are coasting at speed (is surges forward, then backs down with no change in gas pedal position). Oh, and my check engine light is on. I checked all the fuses and none are blown. I don't know where (and can't find) any of the fusable links are. Also, the car won't communicate with a tester. I thought maybe I had fried the ECM, but I figured the car wouldn't run if that were the case. Any ideas where I can start? Replies to this message: ateixeira (Feb 21, 2007 8:43 am) musanovic (Mar 11, 2007 9:55 am)
#4254 of 4340 Re: 2002 Miata Electrical Mistake [medic2240] by ateixeira Feb 21, 2007 (8:43 am)
Replying to: medic2240 (Feb 20, 2007 6:59 am) I wonder if you can reset the ECU by disconnecting the battery for an hour or so. Give yourself a fresh start with it.   I've done that on Subarus but not on my Miata.   -juice
#4255 of 4340 Jackson Racing Supercharger by jungster Feb 21, 2007 (8:25 pm)
I'm considering getting a JR supercharger kit for my '91 Miata. I wonder if anyone on this forum has personal experience with this kit.   In particular, how does this supercharger affect throttle response? The snappy response of the stock engine is one of the qualities I like most about it. Does adding the kit require retarding the base ignition timing? I've read some have added either a MSD boost timing unit or a J&S knock sensor along with the JR supercharger kit to deal with detonation. Have you found this to be a necessary addition? Replies to this message: erics6 (Feb 21, 2007 10:49 pm)
#4256 of 4340 Re: Jackson Racing Supercharger [jungster] by erics6 Feb 21, 2007 (10:49 pm)
Replying to: jungster (Feb 21, 2007 8:25 pm) Best answers at miata.net.
#4257 of 4340 Re: 2002 Miata Electrical Mistake [medic2240] by musanovic Mar 11, 2007 (9:55 am)
Replying to: medic2240 (Feb 20, 2007 6:59 am) I am having the same problem as medic2240 can anyone help?
#4258 of 4340 Visor clips for NA needed by namxmiata Mar 13, 2007 (6:54 pm)
If anyone has some NA visors (for first edition Miata) they don't want please let me know. I'm looking for the little plastic clip-hinges that attach the two folding flaps together. Seems like some of you have taken the visors off your Miatas.   If you can make yours available, even just the clips (!) please e-mail Message me.   Thanks! Replies to this message: ateixeira (Mar 15, 2007 5:58 am)
#4259 of 4340 Re: Visor clips for NA needed [namxmiata] by ateixeira Mar 15, 2007 (5:58 am)
Replying to: namxmiata (Mar 13, 2007 6:54 pm) I have them, but I'm saving them for when I sell the car. I'm not sure it'll even pass MD inspection without any visors, so I'll probably put them back on when I sell.   Sorry.
#4260 of 4340 Sun Visors for a 2001 MX5 Miata by rfl Jul 26, 2007 (6:11 pm)
Just took delivery of a nice 2001 Miata convertible. It did NOT come with sun visors. I gather from reading this forum that some drivers remove them. Can someone tell me why and, if possible where I can obtain a set and if I need any special hardware to mount them. There seem to be "plates" where the visors should mount with a Mazda logo on them. I assume they came originally with the vehicle. Does anyone know if a car will pass Pennsylvania inspection without them? Replies to this message: ateixeira (Jul 27, 2007 7:03 am) erics6 (Jul 27, 2007 7:23 am)

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