Ford transit 2.2 350 high roof only passed cvrt

2015 ford transit 2.2 high roof rear wheel drive very clean van for its year but has slight knocking sound coming from engine only passed cvrt then the next day engine started to knock it sounds like injector knock but not to sure starts and drives but a bit down on power mileage is 360.000kms New cvrt is until April 2026 as it got backdated Got a good bit of work done to pass cvrt New copper brake lines front and rear 2 new rear shocks 1 rear leaf spring 2 rear bumpstops 4 good part worn tyres Rear pads and disks & 1 new brake calliper 2 front track rod ends & tracking was done Price is €2700 or very nearest offer located in blanchardstown any stupid offers will be ignored sold as seen PH-0858423838 PRIVATE NUMBERS OR TEXTS WONT BE ANSWERED