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high revving on coldstart 850 1995

posted by  Wright_T5 on  Thu Jan 6 18:25 CST 2005
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Hi,

Mine (95 T5) does it too, although it depends on the outside temperature, if it's really cold then it starts, revs to 1500-2000 for a few seconds, then drops to normal tick-over speed, other times when it's warmer, like this morning 11C it starts, revs a bit (only just above tick-over) but only for a second, then drops to tick-over.

It's just the ECU and all that other stuff sorting things out, it needs a rush of air to get things moving, the sensors need some time to work-out what is going on outside, then the ecu sorts things out and makes it run sweet.. it's normal, and as far as I can work out nothing to worry about. unless you have a sensor gone then things get out of sync.






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