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106 Rallye Chat & Topics Specific Rallye related chat and discussions only please!

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Old 15-01-2016, 09:38 PM   #1
Join Date: Nov 2011
Location: poole
Posts: 21
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S1 ecu initialisation. driving me crazy.

Any input would be appreciated on this. I have an S1 rallye engine with a problem which is driving me mad. Get in it to go to work, starts on the button runs up to temp, drive ten miles then stop, turn it off, come back to it five minutes later, starts on the button revs it's tits off hunts from 800 rpm to 2500 rpm and will do this continuously to my next destination!!! Let it go fully cold over night and it starts fine again. Tried steppers with no joy, tried map no joy! Tps shows correct position on parameters, lambda unplugged with no change. Battery has been of and on like a yo yo. When it hunts it triggers injector shut off on parameters hence the up and down rpm. Anybody??
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Old 15-01-2016, 10:42 PM   #2

Join Date: Jun 2010
Location: southampton
Posts: 1,042
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try disconnecting the electrical plug on the speed sensor on the gearbox, see if that helps.
monka is offline   Reply With Quote

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