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I did say that frank but I think I may have failed to mention that the revs increase slowly a few seconds later. The stalling issue is not all of the time however. The idle of the car is lumpy and sometimes things like the fan kicking in at idle the car does feel like it wants to stall but then...

That makes sense to me, but using the rear demister the idle increases so I'm assuming that is the idle control that's doing that or am I missing your point ?

The idle control seems to work, the idle goes up when headlights etc are turned on. Disconnecting the idle control results in the car revving up and down until it's plugged back in. The idle control has been off and cleaned and also replaced with a known working one and the car still idles...

Thanks for all of your input guys it's much appreciated. Is the fact that the idle improves when the alternator is just free spinning or even when it's disconnected altogether a sign the alternator has had it or is it more likely a wiring problem? I've checked all of the bulbs as polly suggested...

If I take the instrument panel fuse out. Fuse 8 I believe and have the engine on, lights on and open the door the beeper works. But if I replace the fuse and open the door with lights and engine on it doesn't beep, only when I switch the engine off. Is that normal?

I've also also noted that if I put the headlights on remove the instrument cluster fuse and open the door the beeper goes off. Fuse in door open, lights on and the beeper only works if the engine is off

The whining noise is only happening when the alternator is under load. As I say when I take the fuse out for the instrument cluster the rev counter, fuel and temperature gauges stop working but the idle goes back to how it should. Fuse in and the idle is lumpy. I'm really baffled with this now.

Thanks polly, the alternator whines terribly at idle and when any load is put on it from the lights, heater or rear demist. The idle drops then slowly goes up when any load is put on the car, disconnecting the alternator fixes that problem. I'm suspecting that the alternator is failing anyway...

I didnt realise they could be reprogrammed/resynched. Do you happen to know how that's achieved frank?

I tried your suggestion alfantasti and with nothing else turned on I switched on the rear demist and the idle does indeed increase.

I understand your reasoning frank, I must add that I changed the idle control today but it didn't make a blind bit of difference to the idle. It does seem that it's doing its job by increasing the revs when the sidelights and headlights are on, it seem to take a few seconds for the idle to...

I've had the throttle body off and cleaned and the idle control replaced from a donor car that was working 100%. Any ideas why disconnecting the alternator improves the idle? It's leading me to suspect a failing alternator but it's always good to get a 2nd opinion.

That's good to know thanks frank. I'm seriously baffled with the car though cos when I disconnected the alternator itself the idle improved and likewise if the alternator is plugged in and the dash removed the idle improves. With the alternator and the dash plugged in my diagnostic computer says...

I have a strange issue with my little car, in the last few days when I put the headlights on at night the car feels like it's going to stall and looking at the rev counter the revs dip significantly and then begin to rise. Along with this the alternator sounds like it's whining, so this morning...

Nice thought frank, I hadn't thought about that. Do you think that possibly I'm jumping to conclusions with the whining noise at 40mph. I'm assuming it's the gearbox only because I've never experienced a wheel bearing making a whining noise at that speed, always been led to believe they make a...

It's like grinding, if I hold the gearstick or move it to the the left or right when in any particular gear you can hear it. It's similar to when a release bearing is knackered that kind of noise.

In all honesty I haven't looked at the location of the starter frank. My initial thoughts were that a wheel bearing was causing the noise but if I touch the gearstick moving from 4th to 5th there is a sound that is best described as a high pitched metallic noise like there is no lubrication...

Thanks frank. The 1.0l gearboxes seem hard to get a hold of, decent ones that is. The prices some people want for them make my eyes water. Any ideas where I can get one from?

Landing

Hi all, I'm new to the forum after acquiring a Micra 1.0 K11 on an 03 plate. The car is not without its problems although thankfully some if them are minor like the need for a new cv joint on the offside and replacement of brake pads etc. However there is a whining noise coming from the gearbox...