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Old 12th March 2022, 16:29   #9
SD1too
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.

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OK Veine, everything necessary for combustion appears to be present except a spark. This is not too surprising as you've said that the car has been standing for five years.

You've fitted new sparking plugs, a new camshaft sensor and a new crankshaft sensor. You have the correct fuel pressure but no sparks at all on the LH bank. You have an electrical supply to the injectors and all the ignition coils (fuse 2).

It would be worth checking fuse 1 which supplies the crankshaft sensor and fuse 3 which supplies the camshaft position sensor. Re-seat them both and check with your multimeter.

As b152krz has advised, uncover the plenum chamber to check the ECM (Engine Control Module). On the last KV6 I worked on, a mouse had made a nest in this chamber, blocking the drain tubes. It's this ECM which controls your injectors and ignition coils.

Finally, just so that we don't accidentally overlook the possibility of immobilisation, does the starter motor turn normally when the ignition key is turned to position 3?

Simon
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