corsa b 14 14 ne dupec ecu hunting when warm ecu shows no fault code while warming up ok
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Asked by IANH Nov 09, 2013 at 06:23 AM about the 2002 Opel Corsa

Question type: Maintenance & Repair

5 Answers
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IANH answered 10 years ago

tried new i a v as soon as fault appeared no differance i suspect a shorted suppressor i n 1 ht lead as voltage dips when idle cuts and overfuels ie revs high then idles again thanks

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IANH answered 10 years ago

thanks ht leads ok alternator ok rebuilt 3 months ago its strarting to look like the ecu unfortunatly cannot work it out perhaps i was unlucky to test icv with another faulty one

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IANH answered 10 years ago

thanks for the tips replaced icv and still a problem launch testig revealed nothing going to have ecu checked thanks again

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stratt answered 10 years ago

I have a very similar problem on a 2001 Corsa. The car gives normal readings without any fault codes, until it warms up. Then it stops sending any information as if the ECU is completely shut off (ie it instructs to turn on the ignition, because its not receiving any signal). At this point the car is still running but it starts to hunt for idling. Has anyone found a resolution to this issue? Apparently the ECU on these models are known for going faulty after a while.

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IANH answered 10 years ago

i am having exact problem as you ecu readings go wonky when warmed up i going to replace throttle position sensor as when i heat it up the restanace level goes up this could be causing idle problem lets hope otherxwise its ecu repair

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