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Since: Jul 03, 2007 Posts: 2
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(Msg. 1) Posted: Tue Jul 03, 2007 9:42 pm
Post subject: 1981 Fiat spider fuel pump problem? Archived from groups: alt>autos>fiat (more info?)
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Hi all,
I have a 1981 Fiat spider pinaforina convertable which usually runs
really great. Nothing like it, except that occasionaly there is a
problem starting it. Usually when I put the key in the ignition and
turn it slightly you can just hear the whiring of the fuel pump. No
problem, it starts great. But occasionaly when you put the key in and
turn it there is no whiring sound from the fuel pump and the car won't
start. It doesn't happen often, but when it does it's so damn
annoying, and now I'm a bit scared to go out and give it a good run in
the countryside just in case it won't restart.
It's not the pump, foolishly replaced that when I thought it was
the pump. But it made no difference. My only thoughts now are either a
loose connection (which I can't find), a faulty relay, or, a faulty
connection in the ignition switch.
Does anyone know what the problem might be, or has anyone had this
problem before? I can do most of my own work, but I just don't want to
be taking the wrong bits off and replacing them without results.
Thanks in anticipation for your help.
William. >> Stay informed about: 1981 Fiat spider fuel pump problem? |
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Since: Jan 07, 2004 Posts: 70
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(Msg. 2) Posted: Wed Jul 04, 2007 10:55 am
Post subject: Re: 1981 Fiat spider fuel pump problem? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)
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On 4-Jul-2007, willmacd <wmacdouglas RemoveThis @hotmail.com> wrote:
> Does anyone know what the problem might be, or has anyone had this
> problem before? I can do most of my own work, but I just don't want to
> be taking the wrong bits off and replacing them without results.
> Thanks in anticipation for your help.
I usually rig a piece of flex through any convenient grommet, and wire
one end across the intermittent device, and the other end has a low
wattage panel lamp on the dash. If the supply goes off the light goes
out. This can be wired into the system at different points, at the pump,
just after the switch, etc.
What I do is solder one wire to a pin, then use fine nose pliers to push
it through the wire, then bend the ends back and apply insulating tape.
Other end has an alligator clip for ground.
That way I don't have to cut wires, and the small pin hole is virtually self
healing when I pull the pin out.
There are also piggy-back push on blades, useful when you wany a
temporary tap in.
Sure it's not a ground problem? >> Stay informed about: 1981 Fiat spider fuel pump problem? |
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Since: Jul 03, 2007 Posts: 2
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(Msg. 3) Posted: Wed Jul 04, 2007 7:22 pm
Post subject: Re: 1981 Fiat spider fuel pump problem? [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)
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On Jul 4, 9:21 am, ato_....RemoveThis@hotmail.com wrote:
> On 4-Jul-2007, willmacd <wmacdoug....RemoveThis@hotmail.com> wrote:
>
> > Does anyone know what the problem might be, or has anyone had this
> > problem before? I can do most of my own work, but I just don't want to
> > be taking the wrong bits off and replacing them without results.
> > Thanks in anticipation for your help.
>
> I usually rig a piece of flex through any convenient grommet, and wire
> one end across the intermittent device, and the other end has a low
> wattage panel lamp on the dash. If the supply goes off the light goes
> out. This can be wired into the system at different points, at the pump,
> just after the switch, etc.
> What I do is solder one wire to a pin, then use fine nose pliers to push
> it through the wire, then bend the ends back and apply insulating tape.
> Other end has an alligator clip for ground.
> That way I don't have to cut wires, and the small pin hole is virtually self
> healing when I pull the pin out.
> There are also piggy-back push on blades, useful when you wany a
> temporary tap in.
> Sure it's not a ground problem?
Thanks I'll try that, it's a good idea. As to it maybe being a ground
problem, to be honest I don't know. But I will check other functions
when next it happens just to see if it's a ground problem at the
ignition.
Again thanks a lot. >> Stay informed about: 1981 Fiat spider fuel pump problem? |
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Joined: Jul 26, 2007 Posts: 1
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(Msg. 4) Posted: Thu Jul 26, 2007 8:51 pm
Post subject: Re: 1981 Fiat spider fuel pump problem? [Login to view extended thread Info.]
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I have the same yeaar car with the same exact problem... I have been messing with it for about 6 months with no luck.. It is not a gronding issue. I know this becasue the ground to the fuel pump is in the rear truck compartment and that never gets rusted or corroded. I suspect the problem is in the ignition switch but unfortunately wont mess with it since it controls so many other things... As a temporary fix I bypass the green and black wire(supplies power to the Pump and connect it to the last fuse right before I start up.. It is not the correct way but until I save the cash to have someone look at the ignition switch it will have to work... Let me know if you fixed the problem... >> Stay informed about: 1981 Fiat spider fuel pump problem? |
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Joined: Sep 10, 2007 Posts: 1
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(Msg. 5) Posted: Mon Sep 10, 2007 6:04 pm
Post subject: Re: 1981 Fiat spider fuel pump problem? [Login to view extended thread Info.]
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I also have the same year spider, and I also have the same problem, except I can always hear the fuel pump come on. I have changed the ignition switch, and that didn't solve the problem. I am currently in the process of getting a new starter, but I have a feeling that that isn't going to help either. I have heard that sometimes the solenoid isn't getting enough voltage to initiate the starter and that it is a good idea to get a low voltage relay. Unfortunately, so far I haven't been able to find a low voltage relay. I know Fiats aren't the most reliable car, but I would really like to take it somewhere and be confident that I will be able to start it again. It looks like I'm going to have to spend more money fixing that one problem than I spent on the whole car however. >> Stay informed about: 1981 Fiat spider fuel pump problem? |
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