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(Post Link) post #1 of 22 Old 21-05-11 Thread Starter
Status: There is, however, one small problem.
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The Gremlins have arrived!

OK, so the car is: 2001 Alfa 147 1.6 TS. Up until the last few days, she has been running sweet as a nut, not a single fault. However the electrical gremlins have now taken residence! Every now and again after locking the car, the hazards will just start flashing for no apparent reason. I have to unlock/ lock again to get them to stop. Second problem...When i get in and start the car, sometimes, the light on the central locking button on the dash with continue to flash. Again, i have to turn off the car, and restart it again to get it to stop. Third and final problem (that only happened once today, and have been unable to replicate again) when i was driving into town today, and about 5 mins into the journey, all the dash lights started to flicker, and car felt like it was slightly hesitating. However, not a bother out of it on the way back home!

Any one any ideas on any of these issues? ECU is not giving any fault codes. (not on my scanner anyway)

Thanks in advance,

Matt

I have ADHD......Its like ADD, except the picture quality is phenomenal!!
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I'd say first stoip is to check the fuses. One went on mine while I was fidgeting with the cigar lighter and when I locked the car it would immediately unlock, I also noticed that when I put my foot on the brakes the footwell lights came on!!! Only cost €2 to put right
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(Post Link) post #3 of 22 Old 21-05-11 Thread Starter
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Cheers Gav, will give them a look over. I also read, that the issues could be caused by a weak battery/ alternator?
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Dodgy battery or possibly a bad earth..
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Originally Posted by Alfa_Daryl View Post
Dodgy battery or possibly a bad earth..
Yep sounds about right.
I'd add that if you're getting random warning lights flashing straight after start-up it could be a battery, if it's happening when you're driving then could be bad earth or possibly alternator if you're unlucky.
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(Post Link) post #6 of 22 Old 23-05-11 Thread Starter
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Cheers for the replies guys!
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(Post Link) post #7 of 22 Old 23-05-11 Thread Starter
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It never rains, but it pours!!

No sooner have the other problems been fixed (ish), she now decides to through me a right curve ball!! She has now decided to start her engine, all by her self!! The problem is, when i turn the key to the "system check" position, she fires up without me turning the key to the start position. Also, the starter motor stays on after she starts. (not good!) I have already removed the plugs at the back of the barrel, and cleaned and re attached them, but this solved nothing. I cant see any loose connections anyplace. Really confused by this one!
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Re the alarm issues (hazards flashing etc), you might want to check the bonnet switch. Mine did exactly the same thing and I cleaned out the entire bonnet catch and alarm switch area, made sure it was dried off, regreased the locking mecahnism and it cured the problem. It was completely gummed up with old grease/dirt etc. The hazards flashing extra when you try to lock it are indicating that there is a fault with the alarm (and it may not lock first time), as as is the flashing light in the central locking switch.
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(Post Link) post #9 of 22 Old 23-05-11 Thread Starter
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Cheers mate. Just copped your location...i used to live down your neck of the woods...
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Quote:
Originally Posted by General_Melchet View Post
It never rains, but it pours!!

No sooner have the other problems been fixed (ish), she now decides to through me a right curve ball!! She has now decided to start her engine, all by her self!! The problem is, when i turn the key to the "system check" position, she fires up without me turning the key to the start position. Also, the starter motor stays on after she starts. (not good!) I have already removed the plugs at the back of the barrel, and cleaned and re attached them, but this solved nothing. I cant see any loose connections anyplace. Really confused by this one!
I think it's time to get to a mechanic, I think the nearest to you that is recommended is the Sweep

The Sweep Garage
Kilmeaden,
Co. Waterford
051-384134
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Originally Posted by Alfa_Daryl View Post
Dodgy battery or possibly a bad earth..
It's the battery. We had the same thing on our 147 new battery and away it was sorted.
 
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^^ eh? a weak battery will not cause the car to start by itself.

If it auto starts when you turn the key to marcia, then that means that the starter motor solenoid or relay is stuck open.
If the starter motor gear stays engaged and cannot return then it will shred itself and the ring gear on the flywheel.
Normally the flywheel would throw the solenoid back, so either there is some physical blockage in there, or it's the relay.

Gav's right, get it to a garage somehow.
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^^ eh? a weak battery will not cause the car to start by itself.

If it auto starts when you turn the key to marcia, then that means that the starter motor solenoid or relay is stuck open.
If the starter motor gear stays engaged and cannot return then it will shred itself and the ring gear on the flywheel.
Normally the flywheel would throw the solenoid back, so either there is some physical blockage in there, or it's the relay.

Gav's right, get it to a garage somehow.
I just read the full thread there Only read the opening post hence the quote.
 
(Post Link) post #14 of 22 Old 24-05-11 Thread Starter
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Thanks again for the replies guys.
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(Post Link) post #15 of 22 Old 28-05-11 Thread Starter
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Tried to fix it again today, but no luck. I did another scan of the ecu, and found 2 new faults: one was the speed sensor, the other is u1600. Something to do with comunicating maybe?
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(Post Link) post #16 of 22 Old 22-06-11 Thread Starter
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Finally managed to get this fixed today. It turned out to be a short in the wire from the ignition to the starter motor. It was permanently live! I couldn't trace exactly where the short is, so i disconnected the ignition wire from the starter, and fitted a push button start. Was a nice, clean, easy fix in the end.

Thanks to all the above posters for the help and advice.

Matt
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Glad you got it sorted Matt and it was something simple too thank god.
 
(Post Link) post #18 of 22 Old 22-06-11 Thread Starter
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Cheers Damien, it had to be done today as i don't think i could hack driving round in the MGF for much longer!
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Lol, that would wreck your head all right unfortunetly it does get annoying.
 
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Quote:
Originally Posted by General_Melchet View Post
Finally managed to get this fixed today. It turned out to be a short in the wire from the ignition to the starter motor. It was permanently live! I couldn't trace exactly where the short is, so i disconnected the ignition wire from the starter, and fitted a push button start. Was a nice, clean, easy fix in the end.

Thanks to all the above posters for the help and advice.

Matt
Top class!
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Great, sorted and you now have a start push

It's probably a stuck relay on the ignition circuit. I'd still be looking to isolate it because you'll have a constantly live wire hanging around.
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(Post Link) post #22 of 22 Old 23-06-11 Thread Starter
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Any idea where the ignition relay is on a 147? I have AutoData, but what that is telling me, and what i can actually see on the car, are a little different!




(PS, anyone looking for autodata, PM me )
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