Had a very unpleasant surprise with the S/C yesterday. Going home for lunch and halfway the S/C started to slow down, I tried to limp home but didn't make it. Got one of our drivers to bring me some petrol and it was fine getting home. The range indicator said 50 kms (I was planning to get petrol this morning) and the fuel gauge was close to the empty mark but I had not had any warnings of empty tank yet.

I filled it up this morning and it drives fine.

Has anyone had this problem before or any ideas what is going on ???

I do have strong suspicions on petrol quality here so on my next trip out of country I plan to have the tank emptied and cleaned (our LC has major issues with tank corrosion, possibly due to "watered down" petrol).

Still, never had this problem before  MY 2010 5.0 SC Galway green and sand interior!!
Have the Faultmate MSV2 Extreme to be tinkering with the settings etc. !!

There have been a few postings on here about running an S/C below the 1/4 tank - something to do with the tank having a "saddle" where it goes over the rear transmission and the lift pump get exposed, or something like that. 2018 Mini Countryman Cooper S E All4 PHEV in Melting Silver - it’s whisper quiet in EV and polluter modes

Hi Tim, I remember those posts but I run well below quarter tank on a regular basis. I was thinking it could be that my secondary pump (the pump that pumps the petrol across the "hump") may just have failed yesterday causing the issue. So next time I am running near quarter tank I will keep an eye on it. To be honest I have had a few instances where I thought it was happening but it didn't last and it doesn't always happen. Maybe the pump is slowly failing or it is the crap I suspect is in the tank. MY 2010 5.0 SC Galway green and sand interior!!
Have the Faultmate MSV2 Extreme to be tinkering with the settings etc. !!

from memory i believe justinp had this problem and i think it was the secondary pump as you have suggested.. ... - .- -.




Y. O. L. O.
.

And dan_uk_1984 did a write up on it .
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NKSC had this a few times too and just keeps it topped up to prevent it. Discovery 4 HSE
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I have replaced the pump on an SC as its a common problem with the secondary "Jet" pump that pumps the fuel from the 2nd saddle over to the 1st when tank is low (1/4 or below) and fuel becomes separated into two tanks by the dividing hump.

Only cure is replacement pump.

Tip - its cheaper to buy pump from Dan @ Duckworths or similar and then get a fixed Labour quote for fitting as its awkward and can take much longer than anticipated due to lack of sight.

Good Luck

Hi guys, thanks for the quick response. Since it happened straight after a "spirited" right turn, it could have been that all the fuel left on the right-hand side, where the main pump is (if I am correct), jumped over the hump and couldn't make it back (no power to make any spirited left turns ).

Will keep it topped up for now while talking to my dealer in Holland on supplying a new secondary pump or complete assembly.

Should maybe get a 10 liter jerrycan as well, just for now. MY 2010 5.0 SC Galway green and sand interior!!
Have the Faultmate MSV2 Extreme to be tinkering with the settings etc. !!

I had this problem in mine when I first got it but it seems to be ok now. I regularly run it down below 1/8th of a tank and have no problems. If I let it run right down the engine stutters just before the fuel light comes on, which is handy. The range indicator always says I have another 40 miles or so left in the tank but I don't believe that any more!

@NKSC, this is the first time this happened to me, I have been down to the light on fuel before without running out. So I will fill up earlier in the future and try to get a "safe" petrol tank of 10 liter in Holland to keep in the back just in case.

As for getting parts, Holland is much easier for me as we have a logistics office close to the dealer and I go there on a regular basis anyway so I can pick it up from the dealer (very reasonable prices, i.e. usually quite low and the dealer is very close to our Rotterdam office). MY 2010 5.0 SC Galway green and sand interior!!
Have the Faultmate MSV2 Extreme to be tinkering with the settings etc. !!

Guys, if you regularly run your tank very low, you WILL need a new pump sooner or later, so you have been warned!  2012 SDV8 Vogue SE

Hi Boz, I agree and won't do it anymore if I can avoid it (i.e. no fuel shortages). Will keep it at least 1/8 but preferably 1/4 full. MY 2010 5.0 SC Galway green and sand interior!!
Have the Faultmate MSV2 Extreme to be tinkering with the settings etc. !!