right i have a wierd problem now the car runs fine and then all of a sudden it will lose all power and cut out its happened three times now and fuel level makes no odds it did it this morning with a full tank! coast to a stop turn of ignition and turn on again it restarts immediately and drives on perfectly. any clues before i put the thing up for sale as this is getting a bit silly now for a car that was totally reliable before the engine change.
cutting out at speed
- Thread starter drag100
- Start date
This site contains affiliate links for which LandyZone may be compensated if you make a purchase.
- Posts
- 58,170
- Location
- Preston Lancs.
Do you not think it might be a good idea to mention if it's diesel/Petrol make model year/engine size. I for one have my crystal ball in for service.
- Posts
- 1,478
- Location
- Buckinghamshire.
If it only cuts out at speed and you're diesel could it be your fuel pumps not supplying enough fuel?
If you're a V8, are you getting enough coolant to the throttle body. Are you somewhere very cold, perhaps the air intake is icing?
When you say at speed is that with wide open throttle, or just cruising?
If you're a V8, are you getting enough coolant to the throttle body. Are you somewhere very cold, perhaps the air intake is icing?
When you say at speed is that with wide open throttle, or just cruising?
Last edited:
- Posts
- 58,170
- Location
- Preston Lancs.
You need to get it on diagnostics and see what codes exist. Fuel cut off dropping is a distinct possibility.
- Posts
- 16,475
Your Crystal Ball is in for a service more times than a Range Rover Tony....time to get one of those Jap models...apparently they never go wrong, but they have no style, no luxury, no class and no 'zazzle'....
Datatek
Well-Known Member
- Posts
- 44,001
- Location
- Near Poitiers SW France
Have a look at the ignition relay (I know it's a diesel) in the fuse box under the bonnet and also check for signs and smells of burning in the box. Make sure the positive feed to the fuse box is tight and that the tracks have not rotted away.
Rick-the-Pick
Active Member
- Posts
- 782
- Location
- Hove, Sussex.
When you say it cut's out " Like the ignition cuts off" do you mean the whole lot shuts down & engine dies, or is it, the engine cuts out & the ignition lights illuminate?
- Posts
- 16,475
Could be the Stop point of the injection pump or whatever it is called....
A sudden lift of the accelerator could cause the pump to go past the stop and cut the fueling. whereas a gradual reduction on the pedal might not return the pump with a slam and allow it to idle correctly....
I know my other half has a habit of sudden off accelerator wereas I am mode gradual!
But I could be waaaayyyyy off the mark
A sudden lift of the accelerator could cause the pump to go past the stop and cut the fueling. whereas a gradual reduction on the pedal might not return the pump with a slam and allow it to idle correctly....
I know my other half has a habit of sudden off accelerator wereas I am mode gradual!
But I could be waaaayyyyy off the mark
Rick-the-Pick
Active Member
- Posts
- 782
- Location
- Hove, Sussex.
Sometimes it the most stupiest of things like the fuel relay getting hot & cutting out.
5 to 10 seconds later the engine will restart.
5 to 10 seconds later the engine will restart.
- Posts
- 58,170
- Location
- Preston Lancs.
Think i have already said that.
wammers you may have a point there it does stall if you rev it from cold and and snap the throttle shut it just concks out but restarts no bother. the pump was repaired once for a leak problem and funnily enough its never run as nice as it did since that was wen the previus owner had it i told her to take it back and complain but she never did.
i have the bmw pump still do you know if it can be made to work with the rangie electrics
i have the bmw pump still do you know if it can be made to work with the rangie electrics
- Posts
- 16,475
- Posts
- 58,170
- Location
- Preston Lancs.
When you are driving does the engine check lamp flick on as you reduce throttle. After disengaging cruise control for instance?
Endeleus
Active Member
- Posts
- 441
- Location
- Scotland / Russia
Mine occasionally does exactly this, and has stalled a couple of times when disengaging cruise control (both times sprang back in to life once it had coasted down to about 30mph), so I'll be interested in what might cause this. I simply stopped using cruise control for now, but I do see the faintest flicker of the check engine lamp when lifting off the throttle.
Both times after stalling, had the same two faults logged on Nanocom - needle lift sensor out of range, and fuel flow sensor value out of range.
I replaced a leaky No.4 injector with a brand new one last year, so not sure what I should be looking at.
(sorry to jump in to the middle of the thread, but Wammers just described my exact symptoms)
- Posts
- 58,170
- Location
- Preston Lancs.
Mill lamp coming on will be stop on quantity solenoid worn causing potentiometer to go to a negative reading. Or out of range. If range is say 0 to 100% and it drops to a minus point it will be out of range. And lamp will be flashed. Check your idle speed should be 750 RPM +- 50. If your engine stalls when you engage gear lift the idle value with Nanocom one point and see what you get. Also check pump modulation should be from memory around 45 to 55% any higher than that pump needs timing. Needle lift sensor controls timing. But timing solenoid can only do so much. Pump MUST be timed correctly static for auto injection timing to work properly.
well just done a 400 mile round trip down south to glasgow and she was perfect engine wise, as for the rest well what can i say, the windows packed up one by one including the roof until i am left with just the drivers window. the heater was working ok you just had to drive 100 yards and it would come on just perfect until we got home and now it only comes on at the lwest speed and for this a two mile drive is needed. apart from that a good journey was had by all.
Similar threads
