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mk1 focus ecu swap- easy or dealer job


steveo3002

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ok so ive posted elsewhere , my mk1 focus 1600 petrol has a erratic temp gauge but doesnt appear to actauly be overheating

 

google has threads suggesting a new ecu cured it 

 

can i buy a used ecu from the correct engine code and use that ?  or main dealer programme jobbie

 

help please really fucked off with it 

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ECU is coded to the keys, you can diy it IF the ecu comes with at least two keys. If not you need either tech2000 or a licenced copy of forscan.

 

Erratic temp gauge might be the clocks starting to misbehave, which is actually more common, they are plug and play so get a £10 scrapyard set and change them first.

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