Guess everyone is out of ideas like I am. I checked spark plug gaps, all good there. Charging the battery did nothing, had just over 12.7V, 13.86 when running, 13.8 at B+ and the cabling in that fuse box is in really good condition too. Put a known good battery in and still the same.
I'm starting to think I've got a fried ECM as 904C code should always appear with 9150 or 9160 as it indicates a throttle position sensor fault in the ETM. I don't have those so am assuming the ECM has gone rogue. That coupled with all the other codes for stuff I knew was working fine up until last week.
Does anybody know if it's possible to fit a donor ECM or does it have to include other parts to get round the immobiliser issue? Can ECM repairs be done or is this likely the end of the line for the car?
Cheers.
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'99 S’ V70 T5 SE - Gordon
‘88 F’ 240 GLT - Hector
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