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Old 22-03-2005   #1
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ECU fault / coil

Had the ecu failure message displayed on saturday about a mile from home at the same time it went onto 4 cylinders.

I diagnosed the fault as a bad coil (fault followed the coil when moved from cylinder to cylinder). Having replaced the coil I am now back on 5 cylinders and running with full power.

However the ecu warning light is beeping at me.

My questions are:

Is it likely that i have a non critical ecu fault not affecting the performance?

or

Does the ecu fault continue to display, even though the fault has been rectified, until fait dealer plugs in and clears the fault?

Thanks for the help.
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Old 23-03-2005   #2
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Re: ECU fault / coil

*bump*

Anyone?
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Old 23-03-2005   #3
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Re: ECU fault / coil

I had 2 colis go on mine, you can get the fault reset by the dealer (or any garage with an OBD2 reader). I was also told that it does a self check every 20 starts of the ignition and would reset the message (how true that is I don't know though).

If you have it reset and it then reappears there may be another fault (eg: another coil problem).
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Old 23-03-2005   #4
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Re: ECU fault / coil

great thanks for the response v helpful.
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Old 26-03-2005   #5
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Re: ECU fault / coil

Quote Originally Posted by dexys
I was also told that it does a self check every 20 starts of the ignition and would reset the message (how true that is I don't know though).
It has cleared itself in around 2o ignition cycles.
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Old 29-03-2005   #6
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SLOVAC has donated!
South Africa 
Re: ECU fault / coil

My abarth displayed an ECU failure last week while I was driving on the freeway at about 100 miles per hour... a few seconds later the engine cut out, so I had to find parking very quickly!!
I phoned my Fiat dealer and they sent a tow-truck to fetch it. It took them 3 days to fix the problem, and they couldn't tell me what the problem was...
Only after I spoke to the branch manager did I find out that they had to send my car to another dealer, because their mechanics weren't qaulified to work on abarths!?!
The car seems to be going okay now, but my radio is all messed up... instead of alpha-numeric characters, it displays funny dots and dashes. The car is going back to them tomorrow morning... (to the qaulified dealer, that is.)
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