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Hi all, I have a 1.7cdti, slow starting then on idle it is sometimes lumpy sometimes higher than usual rpm. On idle it will rev freely to the red line but once in gear and under load won't go above 2 - 3k, sometimes it hunts and surges other times smooth. Opcom brings up random faults each time I clear them
different ones appear? I suspect the ECU is the problem as it looks to have been subjected to water and has signs that someone has has a go at it in the past. Any one had similar problem on here or can suggest where I can get a replacement or cloned Ecu (Denso).
TIA .
 

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2012 sxi 1.2 5 door in black
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597 Posts
Afaik the ecu is the same one that’s fitted to 1.7 astra h’s although most of them were 100 bhp not 125 bhp so map will be different, HOWEVER if you can find a dead 125 bhp astra diesel, think eerily astra j’s were around there but not sure if they were on denso ecu’s or not
 
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