Originally Posted by 07MS3
(Post 388524)
Sounds more like you've got some spark plug wires mixed up.
though you could have plugged the wrong plug into a coil over a plug, as the guy said it would be nearly impossible.. you'd have to unwrap the wiring harness, solder an extension on, etc. The wires are only as long as they need to be to prevent that from happening. Of course you can't see any of this on the MS3 without pulling the intercooler off so I wouldn't expect any MS3 owner to know yet :) |
4 Attachment(s)
Originally Posted by shep61487
(Post 388845)
no, if you've even looked at the way these engines are set up, you know there is no way to mix up these wires unless you like completely tear down the motor, that and I changed one plug at a time, refastening the boot after each plug was replaced, meaning I didn't just unplug all four wires and change the plugs, I put the wire right back on when I finished each cylinder.
but anyways, the car is running fine now, I think its just that my last two cars didn't have any ECU So I wasn't used to the car taking that long to re-adjust after the reset. I'm trying to find out where I could get some NGK plugs around here, will I have to order them and have them shipped or are there any retail stores in the Boston area that sell them? o and when I went to the NGK website, the only plugs they had for my car were the irridiums, they didn't show any coppers like you guys were talking about. Is that just because I have the 2.0 instead of the 2.3? Because the NGK irridiums were listed at like $12 which is no cheaper than the BOSCH, but I'm still going to switch them since everyone here recomends the NGK. and one other thing is that the stock plugs I pulled out weren't NGk, but they were FoMoCo (I'm guessing Ford Motor Company) part number ILTR5A 13G. Does the 2.3 come with these same plugs? or does the 2.3 come with NGK's? these are the stock plugs I pulled out . . . Attachment 10204 Attachment 10205 Attachment 10206 Attachment 10207 Are those NGK's with Ford badging? |
NGK V-Power FTW! less than 2 bux each. i would use anything else in mine
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Anyone know what the deal is? I thought people said NGK was the OEM spark plug supplier for Mazda, but I don't think those are NGK plugs that I pulled out?
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i dont think so either. just throw in ngk v power and drive it like you stole it. all 4 for less than 10 bux
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Originally Posted by shep61487
(Post 389041)
Anyone know what the deal is? I thought people said NGK was the OEM spark plug supplier for Mazda, but I don't think those are NGK plugs that I pulled out?
My original plugs weren't NGK, they were Denso. Since the MZR engine is used by Fords, I'm not shocked (though I am dismayed) that you found FoMoCo plugs in your car. I still haven't met a Mazda that didn't enjoy NGK plugs though :) |
probably going to change mine today, chris are their tq specs for our plugs? i've always just used a regular ratchet
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Originally Posted by amsgator
(Post 389089)
probably going to change mine today, chris are their tq specs for our plugs? i've always just used a regular ratchet
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how do you hand tighten a plug though.... i have a tq wrench so does it give actual #s on the box?
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Originally Posted by amsgator
(Post 389152)
how do you hand tighten a plug though.... i have a tq wrench so does it give actual #s on the box?
Hand tight = don't use the wrench, just take the spark plug socket with extensions needed to reach the plug and just twist that by hand until it stops. |
I could be an idiot, but I want to ask why are you changing your spark plugs so soon on a base Mazda 3? How many miles do you have on the car? Was it running badly before you changed them? I'm pretty sure you don't need a tune-up until about 60K mi.
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i REALLY REALLY hope you change your plugs before 60K miles
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^^word.
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Originally Posted by micdmac
(Post 389304)
I could be an idiot, but I want to ask why are you changing your spark plugs so soon on a base Mazda 3? How many miles do you have on the car? Was it running badly before you changed them? I'm pretty sure you don't need a tune-up until about 60K mi.
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Originally Posted by shep61487
(Post 387888)
Hey guys, New Poster,
Getting to the point, Usually how long does it take for the computer to completely reprogram itself? should I keep waiting for the car to clear itself up or should I start considering that I did something wrong and have the car looked at or switch the stock plugs back in . . . Another consideration, when I was reinstalling the battery, I dropped a nut to the left and it got stuck underneath that electronics cluster and i used a rather strong magnet to pick the nut up, is there any chance that the magnet screwed with any of the electronics in that box . . . I'm not familiar with the exact type of ECU (usually I work on motorcycles) but its a closed loop system so it can 'learn' your driving style and modify fuel delivery/ignition to a certain degree. Even manufacturers programs are based on common code/pre-programed maps (OBD/OBD2) The important thing is to get plugs with correct resistance as ECU gets a voltage feedback from 'stick' coils. (the only way to check they are working correctly is to measure primary peak voltage) If plugs had different resistance, the PPV signal will be incorrect and can cause problems. You really didn't need to disconnect battery to change plugs, you could either leave ignition off or if your worried about screwing something up, disconnect the plug/coil assembly one at a time. As for damaging ECU/electronics with a strong magnet, doubtful if any real damage could be done but I guess its possible to create a default setting in flash memory so could take a few miles to re-learn settings from sensor inputs. PJ |
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