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Old 07-01-2012   #1
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punto mk2 1.2 8v .. Reset ecu?

Im wantings to do this! ... How do I do this??
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Last edited by cookski; 07-01-2012 at 21:53.
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Old 07-01-2012   #2
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Re: punto mk2 1.2 8v .. Reset ecu?

Ive found out myself .. ... To reset an ecu, put the key in the ignition set to on but the car not started, disconnect both battery terminals and with a spanner if not enough slack touch them together, this will complete the circuit and remove all electrical energy within your cars ecu (the alternative is to disconnect and leave overnight...).

You then reconnect the battery. you start the car and do not touch the pedals while the engine get to optimum temperature (wait for the rad fan to come on the second time) you then switch off.

Switch on again and you can drive the car however keep the revs below 4,000rpm for the first 20 miles as you need lambda settings to map the higher rev range... after 20 miles the car is now reset and you can drive it as an italian car should be driven.

(if you thrash from the go, after 4,000rpm the ecu cannot read the emmissions so will go lean most likely)
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Last edited by missey; 10-01-2012 at 22:54.
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Old 07-01-2012   #3
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Re: punto mk2 1.2 8v .. Reset ecu?

Quote Originally Posted by cookski View Post
Ive found out myself .. ... To reset an ecu, put the key in the ignition set to on but the car not started, disconnect both battery terminals and with a spanner if not enough slack touch them together, this will complete the circuit and remove all electrical energy within your cars ecu (the alternative is to disconnect and leave overnight...).

You then reconnect the battery. you start the car and do not touch the pedals while the engine get to optimum temperature (wait for the rad fan to come on the second time) you then switch off.

Switch on again and you can drive the car however keep the revs below 4,000rpm for the first 20 miles as you need lambda settings to map the higher rev range... after 20 miles the car is now reset and you can drive it as an italian car should be driven.

(if you thrash from the go, after 4,000rpm the ecu cannot read the emmissions so will go lean most likely)
Do you normally behave like a spoilt child if no-one answers you within an hour?

Congrats for using some common sense on an often-covered topic, but unfortunately there's a much more effective way if you're looking to reset the self-adaptives. I don't know where you read the stuff above, but most of it's rubbish.
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Last edited by missey; 10-01-2012 at 22:55.
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Old 07-01-2012   #4
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Re: punto mk2 1.2 8v .. Reset ecu?

Not even an hour .. I give it 12 minutes an 27 seconds then I give up on you people .. An find out myself
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Old 07-01-2012   #5
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Ok now go try it and see if it works.
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Old 07-01-2012   #6
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Re: punto mk2 1.2 8v .. Reset ecu?

Quote Originally Posted by cookski View Post
Not even an hour .. I give it 12 minutes an 27 seconds then I give up on you people .. An find out myself
Don't worry, the feeling is mutual
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Old 07-01-2012   #7
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Re: punto mk2 1.2 8v .. Reset ecu?

resetting the ecu isn't going to fix the intermittent misfire, i don't reckon anyone will want to tell you what will now either, shame
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Old 07-01-2012   #8
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Re: punto mk2 1.2 8v .. Reset ecu?

Get someone to buy you this for Easter, rather than a chocolate egg-

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Old 08-01-2012   #9
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Re: punto mk2 1.2 8v .. Reset ecu?

A simple search on here would have saved you sitting around for 12 minutes and 27 seconds.

If you want help on here in future, I suggest you lose the attitude!
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Old 08-01-2012   #10
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Re: punto mk2 1.2 8v .. Reset ecu?

Pffft!
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Old 21-03-2012   #11
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Re: punto mk2 1.2 8v .. Reset ecu?

I've got a new ECU on the way and should be installing it tomorrow (if it gets here that is). Is the running in process the same as when you reset the ECU? I've found a sonic wheel setup mentioned but I'm not sure what this involves or if this is just what the fore mentioned is actually called. Any light on this would be much appreciated!
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