Replies Archived Message
Posted by Mike Walker on February 16, 2004, 8:12 am, in reply to "fiat tempra sw 2.0i.e 16v 1994 159.a6.046 marreli"
The 4S1 ECU is an immobilised type. A new ECU will self-program to the car if started using the Red master key. Once programmed , these ECUs cannot be swapped from car to car. The figure of 40mS cold injector duration is not excessive as these ECUs only inject once per engine cycle even during starting (wheras most other systems e.g most Bosch systems will inject at four times this rate during starting). The figure of 10mS hot however sounds excessive.
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Link: http://www.atpelectronics.co.uk
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