Blowing MAF fuse - Mazda3 Forums : The #1 Mazda 3 Forum
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post #1 of 25 (permalink) Old 12-14-2006, 06:18 PM Thread Starter
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Blowing MAF fuse

Well I blew the fuse to the (MAF #35 ENG BAR 1- 10A- Air Flow Sensor). This makes the 3rd time in the last couple months. It happened after going over a rough patch in the road. This is not fun and very dangerous as when this 10 amp fuse blows the car goes limp and barely idles with no throttle at all. I was lucky to get out of traffic this time. This is the second time a rough patch has caused this. The other was from some wheel hop on a slick road. Ive checked all the connection at the maf and can not trigger the fuse to blow so I don't think it is at this point.

Ive got the hood up letting it cool off and it looks like I will start pulling stuff out looking for a bad connection or crush or crimp some place this evening.

If anyone has a suggestion feel free.


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post #2 of 25 (permalink) Old 12-14-2006, 06:29 PM
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Re: Blowing MAF fuse

is the fuse cracked? if not then it has to be a short somewhere right?

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post #3 of 25 (permalink) Old 12-14-2006, 06:39 PM Thread Starter
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Re: Blowing MAF fuse

I've had to replace the fuse each time it has popped so It has to be a short some place. I cant imagine where though. Perhaps when i had the transmission replaced the shop the screwed up wires some place as I never had this happen until after the trans swap.


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post #4 of 25 (permalink) Old 12-14-2006, 08:55 PM
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Re: Blowing MAF fuse

Hey Brian, I will sned you a picture of where to look. This ahappened to me many times and it was awire that was rubbing against a sharp edge. :?

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post #5 of 25 (permalink) Old 12-14-2006, 08:57 PM
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Re: Blowing MAF fuse

THats very odd....I dont think I heard of a MAF fuse blowing. usally the MAF go long before the fuse


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post #6 of 25 (permalink) Old 12-14-2006, 09:03 PM
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Re: Blowing MAF fuse

yeah but when a wire is getting grounded it, it will happen all the time

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post #7 of 25 (permalink) Old 12-14-2006, 09:23 PM
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Re: Blowing MAF fuse

[quote author=the415 link=topic=64637.msg1108607#msg1108607 date=1166148227]
yeah but when a wire is getting grounded it, it will happen all the time
[/quote]

well yea, but thats not normal


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post #8 of 25 (permalink) Old 12-14-2006, 10:10 PM Thread Starter
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Re: Blowing MAF fuse

[quote author=HiBoost MZ3 link=topic=64637.msg1108599#msg1108599 date=1166147757]
Hey Brian, I will sned you a picture of where to look. This ahappened to me many times and it was awire that was rubbing against a sharp edge. :?
[/quote]

thanks a lot Juan I really appreciate it.


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post #9 of 25 (permalink) Old 12-14-2006, 10:13 PM
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Re: Blowing MAF fuse

[quote author=Brian805 link=topic=64637.msg1108649#msg1108649 date=1166152210]
[quote author=HiBoost MZ3 link=topic=64637.msg1108599#msg1108599 date=1166147757]
Hey Brian, I will sned you a picture of where to look. This ahappened to me many times and it was awire that was rubbing against a sharp edge. :?
[/quote]

thanks a lot Juan I really appreciate it.
[/quote]

I am working on a car so that will make it easier to take the picture. I am pretty sure that it is the same wire that was shorting mine. The CEL will come on and the engine will hardly run like 300 RPMs

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post #10 of 25 (permalink) Old 12-14-2006, 10:14 PM
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Re: Blowing MAF fuse

[quote author=HiBoost MZ3 link=topic=64637.msg1108658#msg1108658 date=1166152424]
[quote author=Brian805 link=topic=64637.msg1108649#msg1108649 date=1166152210]
[quote author=HiBoost MZ3 link=topic=64637.msg1108599#msg1108599 date=1166147757]
Hey Brian, I will sned you a picture of where to look. This ahappened to me many times and it was awire that was rubbing against a sharp edge. :?
[/quote]

had the same problem,
could you also send me the pics please

thanks a lot Juan I really appreciate it.
[/quote]

I am working on a car so that will make it easier to take the picture. I am pretty sure that it is the same wire that was shorting mine. The CEL will come on and the engine will hardly run like 300 RPMs
[/quote]

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