Good morning all. Having replaced an injector last week, I've just got around to running INPA and have just the one engine error showing. 5651 Rough Idle Speed Controller. So ran live data and have the following screenshots. The first is injector values at tick over and the second is rough idle ...

Return line? Do you mean the line from the fuel rail back to the filter or the 3mm leak off return line?

Thanks guys. I'm going to try the following. Does this make sense?
Clean the in tank filter because apparently the low pressure fuel pump should be pushing 4 Bar.
Perform a leak off test and see what that shows up.
And then I'll take it from there.

*UPDATE* I'll try to give as much information as possible. Symptoms are as follows. Cold start cranking 1-2 seconds ish. Hot start cranking usually 3-4 seconds, very ocasionaly 8-10 Throttle response sluggish at low revs fairly unresponsive at higher speeds. OK when kicking down. no white smoke from ...

Hi everyone. Can someone confirm symptoms of cam sensor failure please? I've noticed a dropping off of low down throttle response and a reluctance to start especially when warm. 2-3 seconds cranking when cold and occasionally taking a good 8-10 seconds cranking when hot before firing up. Initial ...

Greetings all. After a succession of 5 Series saloons, and tourers E34's E39's petrol and diesel, inter-spaced with a flirtation with a couple of P38 Range rovers, I've taken the plunge and got myself an X5. An E53 3.0d Sport to be precise. well specced and with low miles + FSH (Not sure that means ...