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Old 08-06-2009   #1
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Starting issue???.

A couple of days ago i attempted to start my sei after the 4th or 5th go it started, since then it has been fine starting at the flick of the key as it always has done, could this be a fuel related thing, mabe something has worked its way through the system?? as it seemed as though no fuel was getting through when i was trying to start the engine, the keycode light went out each time i turned the key so i do not think it is an electrical problem ,should i get some fuel addative to flush through(if so what is best??) and or should i change the fuel filter, also where is the fuel filter and is it easy to change?? 1 other thing does the sump plug need a compression washer when changing the oil, many thanks if you can help.
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Old 08-06-2009   #2
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Re: Starting issue???.

If its an MPI dont change the fuel filter as its an absolute pain as youll have to take the whole fuel system apart and youll regret wishing to change it, its also not part of any service interval so in theory doesnt ever need to be changed
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Old 08-06-2009   #3
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Re: Starting issue???.

Quote Originally Posted by AppleSei View Post
If its an MPI dont change the fuel filter as its an absolute pain as youll have to take the whole fuel system apart and youll regret wishing to change it, its also not part of any service interval so in theory doesnt ever need to be changed
yes it is a shuie mpi, thanks for the info...
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Old 08-06-2009   #4
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Re: Starting issue???.

If it's a Schui then Rubens has probably finally worked out how to put a curse on it.

I'd not worry overmuch unless it does it again. The most likely culprit is probably the TDC sensor, but I'd forget it for now.

The sump plug has a taper thead on it which actually forms the seal, so no need for a washer.
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Old 09-06-2009   #5
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Re: Starting issue???.

Quote Originally Posted by fingers99 View Post
If it's a Schui then Rubens has probably finally worked out how to put a curse on it.

I'd not worry overmuch unless it does it again. The most likely culprit is probably the TDC sensor, but I'd forget it for now.

The sump plug has a taper thead on it which actually forms the seal, so no need for a washer.
Thanks for the info, is it worth flushing something through the fuel system , if so what would you recommend or should i just leave alone??
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Old 09-06-2009   #6
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Re: Starting issue???.

I also have had this problem with my 01 Seicento and it's nothing to worry about.

It's happened about 4 times to me but it eventually starts if you leave it 1 minuite; i've read up that many seicento's have this problem and it's the fuel pump but they're expensive and it's not worth it; it might also link to if it cuts out in traffic, as mine has cut out twice in traffic aswell, but then started on the button 2 seconds later.
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Old 09-06-2009   #7
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Re: Starting issue???.

Did the engine seem to turn over fine but never catch, then it instantly caught on the last turn of the key?

My N/A does this once in 20 or 30 cold starts (never hot or warm). It seems to be some thing to do with the the fuel line, an air lock is introduced to the fuel line?, so simply cycling the ignition several times seems to clear it. The wife has also found that turning over for a good 30 or 40s also works. Either way once the engine shows a mere hint of caching you can release the key instantly & it'll be fine.

EDIT: In my case it certainly is not the fuel pump, I had mine replaced & the symptoms still persist. The N/A has never stalled besides for an emergency stop, you stop quicker, harder to lock the front wheels, if you keep the clutch engaged & let the engine stall.
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Old 12-06-2009   #8
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Re: Starting issue???.

Quote Originally Posted by cheekycharlieeeeee View Post
I also have had this problem with my 01 Seicento and it's nothing to worry about.

It's happened about 4 times to me but it eventually starts if you leave it 1 minuite; i've read up that many seicento's have this problem and it's the fuel pump but they're expensive and it's not worth it; it might also link to if it cuts out in traffic, as mine has cut out twice in traffic aswell, but then started on the button 2 seconds later.
Thanks for the info but so far it's only happened once from cold but not whilst driving, i am wondring if there is a slight blockage in the fuel system, i did seem as if the fuel is not getting through which could be the pump playing up?? , i may flush the system to see if this helps.
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Old 12-06-2009   #9
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Re: Starting issue???.

Quote Originally Posted by StoneNewt View Post
Did the engine seem to turn over fine but never catch, then it instantly caught on the last turn of the key?

My N/A does this once in 20 or 30 cold starts (never hot or warm). It seems to be some thing to do with the the fuel line, an air lock is introduced to the fuel line?, so simply cycling the ignition several times seems to clear it. The wife has also found that turning over for a good 30 or 40s also works. Either way once the engine shows a mere hint of caching you can release the key instantly & it'll be fine.

EDIT: In my case it certainly is not the fuel pump, I had mine replaced & the symptoms still persist. The N/A has never stalled besides for an emergency stop, you stop quicker, harder to lock the front wheels, if you keep the clutch engaged & let the engine stall.
with my car it seemed as if there was no petrol just the engine turning over and after a few attempts it started and was fine after ,this was a cold start if it makes any difference, each time the code key light went out so i don't think it was an electrical problem.
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Old 12-06-2009   #10
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Re: Starting issue???.

Yeah, sounds exactly like my N/A. The good news is that I've never been in a situation where the car hasn't started but I would like to solve the problem. The issue for me is how you diagnose the problem that's this intermittent & has never happened when I can spend 10min pulling the car apart before going on my merry way.
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