1.8 VVC cutting/ stalling out when warm

Hi guys, have a 25 GTi engine in my Rover 100.



The situation has arisen after being laid up for only 2 months.



The issue does not exist on cold start and gets worse as it gets closer to operating temperature.



When coming to a stop and putting the clutch down it will simply cut out, maybe 2/10 it will catch itself and idle. When it does stall sometimes it will take 2-3 seconds of cranking to start but when it does start, it runs fine, until I stop and dip the clutch again.



Unfortunately my converted loom does not have a diagnostic port to check or clear codes.



So far;



New plugs

New coil packs

New ECU CTS.

Swapped lambda (could be faulty)

Swapped map sensor

Swapped IVAC

Cleaned sensor connectors around head area.



ANY IDEAS.

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