Permanent Automatic Flood Fix

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04-05-04 | 10:51 PM

#26

NZConvertible

I'm a boost creep...

Joined: Jan 2002

Posts: 15,608

Likes: 8

From: Auckland, New Zealand

Quote:

Originally posted by HAILERS
My finding is that just the airflow thru the afm will make the switch in the afm *MAKE* and cause the fuel pump to run. You really don't need the BR wire...

Very interesting observation. Trust you to have already tried that.

So if it's redundant you have to wonder why Mazda put it in.

Quote:

Originally posted by ViperDude152
So basically its not only while you crank the engine. Its while the engine is turning, pulling in air. and while the Key is in the START or ON Postion

That's exactly what I've said several times. That's the way it's supposed to work.

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04-06-04 | 10:35 AM

#27

HAILERS

HAILERS

Joined: May 2001

Posts: 20,563

Likes: 23

From: FORT WORTH, TEXAS,USA

**it's redundant you have to wonder why Mazda put it in***

Got me. De-pin yours and see what you think. Posssibly if the battery charge is low there won't be enough air pulled thru the afm to suck the vane open a touch?? But that car probably wouldn't start anyway if it was turning that slow.

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04-06-04 | 11:01 PM

#28

ViperDude152

Thread Starter

Rotary Power Information

Joined: Aug 2003

Posts: 528

Likes: 0

From: New Hampshire, Greenfield

Quote:

But that car probably wouldn't start anyway if it was turning that slow.

mine? if so.. It actually does turn on when cranking slow. I had to get a jump from my other truck and the engine was turning real slowly and still started.

Justin

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04-09-04 | 04:34 PM

#29

HAILERS

HAILERS

Joined: May 2001

Posts: 20,563

Likes: 23

From: FORT WORTH, TEXAS,USA

Quote:

Originally posted by ViperDude152
mine? if so.. It actually does turn on when cranking slow. I had to get a jump from my other truck and the engine was turning real slowly and still started.

Justin

Nope. Not yours. Just wondering aloud why they made the system where the pump is energized by holding the key to START....when the cranking of the engine is sufficient enough to pull/move the vane in the afm to make the internal sw in the afm that makes the fuel pump relays circuit.