2007 copper clubman diesel low mpg & flat spot - Page 5 - MINI Cooper Forum

MINI Cooper Diesel MINI Cooper Diesel 2007 - Present

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post #61 of 86 (permalink) Old Jan 16th, 2013, 08:33 PM Thread Starter
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Hi

If you can regenerate your filter and its not too clogged then I wold leave it but if the professionals say it clogged its all you can do to have it removed. Will at p torque is a nice guy give him a call
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post #62 of 86 (permalink) Old Jan 18th, 2013, 08:45 PM
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I wanted to ask:

1. Where did you get the Pierburg?
2. How much was it?
3. Was the install easy?
4. Is there a part number specific to the Cooper D 1.6?

Thanks!
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post #63 of 86 (permalink) Old Jan 20th, 2013, 07:27 PM Thread Starter
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Hi

Pierburg came from eurocarparts.com only 90 and just swap straight
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post #64 of 86 (permalink) Old Jan 20th, 2013, 09:21 PM
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Quote:
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Hi

Pierburg came from eurocarparts.com only 90 and just swap straight
Hi did this sort your flat spot out???? I havent got round to changing the crankcase sensor yet????? ;-)
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post #65 of 86 (permalink) Old Jan 22nd, 2013, 07:12 PM
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Sorry, one final question because on europarts they don't show a picture of the Pierburg.

Does it come like this one:
http://cdn103.iofferphoto.com/img3/i...wk96132-ne.jpg

with the cylindrical housing, circular mesh and everything?
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post #66 of 86 (permalink) Old Jan 24th, 2013, 07:36 PM Thread Starter
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Hi the pierburg one is identical to the Bosch one fitted as standard it is a fully new unit.


The cheaper new one I bought you could see where the sensor had been cut and glued back together.

Still got a very occasional flat spot but better than it was

Anyone else done the crankcase
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post #67 of 86 (permalink) Old Feb 3rd, 2013, 01:41 PM Thread Starter
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Right still got the flat spot between 1000-2000 rpm hard to replicate but happens when you put oof down from cruising say.

Today I took egr valve off cleaned it all out and the heater part and entrance to engine block.bolted all back together took for drive and till there so far I've done

Dpf delete +remap
New maf
New charge pipe from intercooler
Cleaned egr
New air filter
Bmw had car for a week and couldn't find anything

Where next to look? Injectors?
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post #68 of 86 (permalink) Old Feb 3rd, 2013, 02:04 PM
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flip me this is soooooooo bad, I do feel your pain I was still looking at the crankcase sensor but with no codes showing where do we go ?????. I was waiting until the weather changes but after the fight I had with the sidelights I have lost the love.....who puts a water bottle right in between the fog light housing :-/ seriously bmw sort yourselves out :-(
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post #69 of 86 (permalink) Old Feb 4th, 2013, 07:46 AM
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I'm at the "the injectors are the prime suspects" stage too. I've got an oil and fuel filter service in about 8000km and I've already been on the horn with the dealership about the weak power problem.

They said they can analyse the fuel to air ratio and make sure it's within trim values. Could be that the timing needs readjustment and/or the injectors are fouled preventing the proper quantity of fuel entering the cylinder. That would manifest as a loss of power/flat spot/hesitation I would think.

I've tried a bottle of injector cleaner in the gas tank, but it didn't really do anything so I'm going to have the dealer hook it up to their computer and see what comes out.

Don't know when the appointment will be but probably around end March/early April. I'll have them change out the winter tires at the same time.

On the peugeot forums a couple of guys have had success by removing the intercooler and draining the oil and flushing it with degreaser. I think it's a bit of a job to get the intercooler out, however.

Did they look at the turbo vacuum solenoid that controls the variable vane geometry? I think the solenoid is down under the fuel filter somewhere around the EGR if I'm not mistaken.

Maybe oxygen sensor?

I mean loss of power on a diesel is due to one of two things: (1.) poor Airflow or (2.) poor fuel flow.




Quote:
Originally Posted by Benlg81 View Post
Right still got the flat spot between 1000-2000 rpm hard to replicate but happens when you put oof down from cruising say.

Today I took egr valve off cleaned it all out and the heater part and entrance to engine block.bolted all back together took for drive and till there so far I've done

Dpf delete +remap
New maf
New charge pipe from intercooler
Cleaned egr
New air filter
Bmw had car for a week and couldn't find anything

Where next to look? Injectors?
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post #70 of 86 (permalink) Old Feb 4th, 2013, 06:34 PM Thread Starter
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Reading round it it could also be a egr issue being around 1700-2000rpm

I have ordered a stainless steel blanking plate

But as these are euro4/5 it will need a few small holes drilling to allow just enough air through to satisfy the sensors this seems a common route and fiat even sell a egr restrictor through their parts departments

Fingers crossed this 5 trick works

If not ill send all injectors for a ultrasonic clean
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post #71 of 86 (permalink) Old Feb 6th, 2013, 06:32 AM
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Have you got a ballpark figure on how much it costs to have the injectors cleaned?

For the EGR issue, do you mean it's blocked by carbon buildup?

Quote:
Originally Posted by Benlg81 View Post
Reading round it it could also be a egr issue being around 1700-2000rpm

I have ordered a stainless steel blanking plate

But as these are euro4/5 it will need a few small holes drilling to allow just enough air through to satisfy the sensors this seems a common route and fiat even sell a egr restrictor through their parts departments

Fingers crossed this 5 trick works

If not ill send all injectors for a ultrasonic clean
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post #72 of 86 (permalink) Old Feb 6th, 2013, 05:39 PM Thread Starter
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Hi the egr restrictor slides in between valve and the gasket it as a 8mm hole to allow just enough gas through to stop the light oming on dash.

Like this one
EGR valve blanking block plate Jaguar X-type Ford Mondeo Transit 2.0 2.2 2.4TDCi | eBay

Fiat/Alfa and koda now sell egr restricors through their parts departments to help solve the flat spot issues fom why I have read.


Injectors are around 12.50 per injector for ill ultrasonic clean
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post #73 of 86 (permalink) Old Feb 16th, 2013, 09:10 AM Thread Starter
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Got my blank nd have just drilled a 8.5mm hole slightly wider and installed on car only taken on 2 mile drive but got some driving to do later so will keep posted

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post #74 of 86 (permalink) Old Feb 21st, 2013, 07:00 AM
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Curious to know how this turns out...

Discovered from the service records that it has been 56,000km since my fuel filter was changed. Wondering if this isn't causing some of my issues?

Notice too that my fuel efficiency is declining. Used to get about 5.2L/100km in winter (with winter tyres and heating on all the time). Now I'm up to 6.7L/100km which is getting stupid. Quoted should be around 4.7L/100km.

Anyone ever change their own fuel filter on the Cooper D? Easy? Hard?



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Got my blank nd have just drilled a 8.5mm hole slightly wider and installed on car only taken on 2 mile drive but got some driving to do later so will keep posted

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post #75 of 86 (permalink) Old Feb 21st, 2013, 10:26 AM
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just to throw another spanner in the works I have put some dpf cleaner in and turned my tuning box up which feels like its boosting earlier in the power range which has taken abit of the flat spot out.....and is not as noticeable just now:-/.....so am now starting to think its a mapping issue AGAI, but not sure I just wish BMW would come up with a solution! !!!!!!!!!!!!
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