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Old 02-01-2021, 12:09 PM   #13
notech
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Join Date: Aug 2013
Location: Gibraltar
Posts: 91
Garage
ike84, No battery wasn't disconnected as I was going to try run the fan manually.
Going back in time, I have realized I have used a +12v connected to the relay pins for a few seconds..

*I have checked for error codes with generic OBD and there are no stored codes, I have performed a reset anyway
*checked 40a fuse on relays, its is ok
*tried to run engine without maf connected, still same missfires
*I have shuffled relays 53 around, also with no luck, spoiler is not responding

Any more ideas what could be wrong? still on the list:

check coils
possible variocam solenoid issue

none of them can be easily checked until I flatbed the car to a mechanic

I also have another 986S but older from year 2000, I believe I cannot swap ECUs between the two cars, correct?

What would be the procedure to swap with a new ECU, get the memory out of the old and reprogram the new one with it? also is a new immobilizer needed in this case?
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