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Old Nov 28th, 2012, 11:09 AM
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2007 copper clubman diesel low mpg & flat spot

Hi

real quick message, we have just bought a 2007 1.6d mini cooper clubman diesel and have a few issues with it.

the car has 58k on the clock and a full service history mainly at BMW but

there is a flat spot on small acceleration around the 1-1.5 rpm area this is quiet bad especially when pulling out at round abouts ect as it is on the verge of stalling ect.

also the DPF filter warning came up on the dash yesterday. we took the car for a hour drive which included 40 mins on the motorway at 2.5krpm with no stops or starts. when we got off the motorway and drove back through town the car did feel better but still had a slight flat spot.

this morning my wife drove the car and it is better than before but still does have the flat spots.

also the MPG is nowhere near the book values which i know are hard to reach but being less than half is not what we were hoping for we are getting around 36mpg and at best 45 on the motorway

any ideas?

i have just ordered a new air filter
forte diesel fuel treatment
forte dpf additive

Regards

Ben
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Old Nov 28th, 2012, 11:16 AM
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Flat Spot

Not sure whether this will be any comfort to you but my 2009 Dooper always had a flat spot and it was never cured.

'Feature of the Product'

Using Shell or BP diesel improved it but it was always there.

I reckon I managed 55mpg on average but that was little town or motorway driving. Pretty heavy footed though.

Bozzer (got a 2012 cooper S clubman now :-)
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Old Nov 28th, 2012, 11:21 AM
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cheers mate the long drive on the motorway helped a bit.

only had the car a week and a bit disapointed on the figures from the last clio dci we had

im hoping it something stupid like a dirty air filter.
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Old Nov 28th, 2012, 11:59 AM
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That's not good MPG - I have a 60 plate Dooper Convertible and I did a 200+ mile round trip to London at the weekend, bad Saturday traffic in the West End but I averaged 50mpg for the whole trip and I was not being careful on the morotway or dual carriageway.
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Old Nov 28th, 2012, 12:05 PM
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i know it is well off where it needs to be

just wondered if anyone else had these issues or know where to look
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Old Nov 29th, 2012, 04:32 PM
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If you bought from a dealer then you need to get back there and get them to sort it. The mpg alone is cause for concern. As others have said you should be getting 50-60 without trying. On my 30 mile commute I get only get a few places to have a bit of a thrash but even WOT up hills overtaking stuff I can easily get over 60mpg.
Never noticed a flat spot, certainly nothing to feel like it's gonna stall.
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Old Nov 29th, 2012, 06:06 PM
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If your DPF is getting to the point its actually blocking up as could be shown by the warning light coming on, no amount of racing about will clear it properly after that point, it needs to come off and be cleaned or a new unit fitted, maybe this is why its not much good a low revs? its like its got a cold, cant breath properly?
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Old Nov 29th, 2012, 07:21 PM
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Hi

We bought it private.

Is there a obc menu or computer program which can see how full the dpf is?
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Old Nov 30th, 2012, 05:56 AM
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You can purchase a Bavarian Technic scanner that can read codes from the mini. I think it's around €250-€300
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Old Nov 30th, 2012, 06:35 AM
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Cheers for that, will a normal obd2 scanner read and codes do you know I have one at my parents house ill get them to post it to me to try
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Old Nov 30th, 2012, 08:19 AM
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Quote: Originally Posted by Benlg81 (original)
Cheers for that, will a normal obd2 scanner read and codes do you know I have one at my parents house ill get them to post it to me to try

I think so, but it might not pickup the manufacturer specific codes too well. I'd say it's worth a try.

Can I ask which one you've got and how much it was? I'm curious to see how you make out...
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Old Nov 30th, 2012, 10:14 AM
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hi

i have a ebay obd2 lead and use my laptop with obd2 scantool (i think that the name )

will try in the morning

just need to get the mpg up to a decent level 33mpg is a waste of time
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Old Nov 30th, 2012, 06:26 PM
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Right then

Just replaced air filter
Cleaned maf
Checked orange seal - has a split half way down
Made ure tyres at 2.3 bar (33psi)- they were only 26psi

Tomorrow:
Forte dpf treatment
Forte diesel treatment
Reading code when my cable comes back
Going to see p torque to see if dpf ok
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Old Nov 30th, 2012, 07:25 PM
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Took it for 10 min drive around the block and mpg rose from 36 to 38.3

But the fuel red light came on after 263 miles it says 77 miles left in the tank which I doubt

At least the mpg rising, smoother and no massive flat spots
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Old Dec 1st, 2012, 11:49 AM
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Right, been to p torque this morning to have car looked at and does have excessive pressure from dpf.

Booked in for Monday for dpf delete and mapping session fingers crossed it all ok after that
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