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» Fuel pump issue
dustinp
 Posted: Mar 5 2018, 06:30 PM
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Ok guys I have an odd issue guys, I have a no fuel issue on my aspire, the inertia switch isn't tripped and relays under the hood are clicking, I've removed the pump from the tank and hooking the pump to 12v off the battery makes it run, so is there something else somewhere in the system I'm missing? I will check the pigtail for voltage later just Trying to get my head wrapped around the problem.

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dustinp
 Posted: Mar 5 2018, 08:40 PM
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Where is the fuel pump relay located I'll test it, I'm not finding any blown fuses I'm at a loss, the pump works when fed 12v straight from the battery

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malti
 Posted: Mar 7 2018, 07:30 AM
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Hi Dustinp, have you got 12v supply on the pump positive terminal, if you do see that you have a good earth connection to the pump, I had a similar issue with mine and the culprit was the earth terminal.
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dustinp
 Posted: Mar 7 2018, 11:59 AM
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Has anyone ever measured the resistance from the ground pin to the fuel pump pin in the diagnostics port?
Malti do you remember where abouts that ground wire was? I've checked everything I can think of, I've even been swapping known good parts from my other aspire in an Attempt to make this one run.
This is quite frustrating because I just built the engine in this car, this is simply a fuel system issue because it will run on spray.

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Glow_Mouse
 Posted: Mar 8 2018, 05:39 AM
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From what I remember there's a relay and solenoid. Now the solenoid is located inside the steering shaft. If the noid isn't activated then the fuel pump won't either. You'd be surprised the amount of junk that is located inside the steering column. When you turn the key to HOT, the fuel pump should be heard turning on. Now, under the backseats, there's a trap-plate, under that the fuel pump. On top of the fuel pump plate, there should be (depending on your year model, 2x hoses (an outlet and a flow back), an earth pin and a power in pin. Clearly identified by color.

If you have a haines manual for your spire, it makes it a whole lot easier to find faults. 9 times out of ten though, it'll be a solenoid or relay. The "hard" way is to trace back the wiring from the pump to the column. Which is dead right frustrating. I know you won't want to go that way but it's the best accurate way to determine the components which could be faulty.

Have a go and see what you find.
Hope something here helps you man.

~Mouse

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Raising the bar for compact cars around the world.
.:: 1997 Aspire ::. - Revived Project - Glowspire
.:: 1998 Aspire ::. - Current Project - The Red Bean

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dustinp
 Posted: Mar 8 2018, 12:35 PM
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Thanks bro, I'll pull the steering column cover off after I revert all my tinkering back to stock.
If that doesn't work I'll try swapping maf and the dizzy, I'll find the problem eventually.
I'll advise on what I find I just hope the little warrior will forgive me for robbing parts trying to make hamster run

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dustinp
 Posted: Mar 8 2018, 12:39 PM
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Just as an odd side note, both my spires have a 4 pin plug, and an unused ground tab, both are 94's both autos one has ac the other doesn't

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dustinp
 Posted: Mar 8 2018, 01:31 PM
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Don't see any relays inside the column cover.
I'll pull my glove box out and have a look there our cars are backwards from each other 😅

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rickbz28
 Posted: Mar 8 2018, 03:23 PM
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Fuel pump relay on US cars is located by the ecm on the left side under the dash.You have to remove the little plastic trim panel to get to it.
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harpon
 Posted: Jun 6 2018, 08:37 AM
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How'd that fuel pump issue work out? Haven't had any probs with the Aspire, but have a 91 Festiva and similar problems-

There is also a signal from the MAF apparently, to the fuel pump relay. I think you have to first check continuity to the fuel pump relay- and that it is getting signal from the MAF as well as ground. I put a new fuel pump in- obviously straight current tested, and when I jumped it a short time with direct current it still wasn't starting even though the pump was buzzing then- I haven't tested fuel pump current or cleaned any MAF connections -

if I get those going I may have to reinstall the pump- if not sealed tight enough against the fuel line, the pump can just spray gas back into the tank- and I hate messing with it cause it's dangerous- I haven't had time to check the Festy in over a year-oh well-

It explodes to life when it gets gas. I hope it doesn't simply explode first! ohmy.gif
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Glow_Mouse
 Posted: Jun 6 2018, 04:26 PM
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QUOTE (harpon @ Jun 6 2018, 11:37 PM)

I hope it doesn't simply explode first!  ohmy.gif


That's pretty useful when that doesn't happen. tongue.gif http://files.jcink.net/uploads/aspire/likemoticon.png

Seriously though, how did you go with that issue Dust? Get it sorted?

--------------------
Raising the bar for compact cars around the world.
.:: 1997 Aspire ::. - Revived Project - Glowspire
.:: 1998 Aspire ::. - Current Project - The Red Bean

user posted image
www.FordAspire.com - The World's #1 resource for aspire/avella & 2nd Gen Festiva
"Why Do you own so many bodykit parts?"
"I like to change the look of my car like i change underpants....everyday!"

Glowmouse's 97' Glowspire Build
Glowmouse's 98' Red Bean Build
My DIY Wing Conversion How-To
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dustinp
 Posted: Jun 6 2018, 09:33 PM
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Honestly I don't know guys, I went through Everything, cleaned all the connections in the system, bled the fuel system, and retimed the Engine and it fired right so something somewhere wasn't happy... One plug on the dist. Was fitting a little sloppy other than that nothing else really stood out but I honestly don't know. It's been running great for a while now.

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Glow_Mouse
 Posted: Jun 7 2018, 04:33 PM
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Well that's good to hear. I had a similar problem with my 97' but after exhausting
the same measures you did. I decided to yank to the pump itself out of the car and
low and behold, the pump had seized. So... something so stupid and small made a
huge problem and after purchasing a new hi-flow pump assembly and motor. The spire
fired, coughed a crap load of smoke out but ran good after that.

Usually the smallest of issues can be the biggest pains. If all else fails.
Start drinkin. http://files.jcink.net/uploads/aspire/40oz.gif http://files.jcink.net/uploads/aspire/bunnyd.gif

--------------------
Raising the bar for compact cars around the world.
.:: 1997 Aspire ::. - Revived Project - Glowspire
.:: 1998 Aspire ::. - Current Project - The Red Bean

user posted image
www.FordAspire.com - The World's #1 resource for aspire/avella & 2nd Gen Festiva
"Why Do you own so many bodykit parts?"
"I like to change the look of my car like i change underpants....everyday!"

Glowmouse's 97' Glowspire Build
Glowmouse's 98' Red Bean Build
My DIY Wing Conversion How-To
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