09/05/2026
Jaguar XJS V12 EFI upgrade with ECU.
On this XJS V12, the original injection and ignition system has been replaced with a modern EFI kit. The kit includes an ECU, complete wiring loom, injectors with mounting brackets, electronic idle control valve, trigger wheel, coil packs and a wideband lambda sensor for closed loop operation.
The result: improved starting, smoother engine running and a more reliable V12, without losing the original character of the car.
This is an upgrade we can also carry out on the Jaguar XJ and E-type V12.
Interested or do you have any questions? Feel free to get in touch.
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