You must have had your eyes shut when you change the cam cover gasket. The oil separator gauze in inside the cam cover under a plate on ALL engines. The pressure regulating valve is outside on the pipe to the air intake on non EGR engines and inside the cam cover on EGR engines. The part you show is the regulating valve NOT the separator.
 
wammers said:
You must have had your eyes shut when you change the cam cover gasket. The oil separator gauze in inside the cam cover under a plate on ALL engines. The pressure regulating valve is outside on the pipe to the air intake on non EGR engines and inside the cam cover on EGR engines. The part you show is the regulating valve NOT the separator.
Click to expand...

I must of,don't remember seeing it :)
 
Grit Valve said:
I must of,don't remember seeing it :)
Click to expand...

Unscrew the plate and the gauze in under it. About 15 inches long, three inches wide and one inch deep, hard to miss actually. As i said the PCV is outside on non EGR and inside on EGR engines. As Nik has a MY 2000 motor the PCV is inside the cam cover with just a pipe from that to the inlet. All you will see inside the early cam covers is a separator cover plate held on by about nine screws. The later ones have the plate and a PCV screwed on in front of it. Which is sat on a rubber gasket.
 
matt1987 said:
I get 15mpg round town in winter and 25mpg on a run in summer I get 19mpg to 21mpg around town and 27mpg to 30mpg on a good run at 60mph mine is standard and pre egr
Click to expand...

Interesting to see the various figures on these as I was originally looking for Diesel when I purchased my 4.6 HSE. (I probably would have except I couldn't find a decent one at a good price.) My HSE has a sequential LPG and does 10-13mpg around town and with a careful right foot 20-22mpg is possible on a run. At 66.9p/litre it gives me a fairly similar cost which is quite a surprise I must admit - especially hilly urban terrain which is much of my use. I must confess that I would have expected the diesel to be more consistently in the low 20's...
 
wammers said:
Unscrew the plate and the gauze in under it. About 15 inches long, three inches wide and one inch deep, hard to miss actually. As i said the PCV is outside on non EGR and inside on EGR engines. As Nik has a MY 2000 motor the PCV is inside the cam cover with just a pipe from that to the inlet. All you will see inside the early cam covers is a separator cover plate held on by about nine screws. The later ones have the plate and a PCV screwed on in front of it. Which is sat on a rubber gasket.
Click to expand...

Yea I see that now :)

A239774A-39D1-44D9-BF2A-E5D6BA9488AA-439-000000E04C17EEDF_zpsa20a431b.jpg


F2AB2ACB-D40C-4C04-A0F8-31FDAA6418EF-439-000000E06947CADC_zps4ff60095.jpg
 
I too like to get mpg's on the mileage I cover. My best was 613 miles on a cap to cap fill, see thread here; http://www.landyzone.co.uk/lz/f10/613-miles-diesel-p38-can-you-do-better-176809.html

You seem to have all the obvious things done apart from your oil grades. Changing the engine oil to fully synthetic made an instant difference to mine and I've followed through with synthetic axle oil and semi synthetic (fully synthetic was too pricey for the right spec oil) in the auto and transfer boxes.

I'm going to try disconnecting the EGR, mine also looks like the one in the photo.

I seem to get better mpg's in the summer, I suspect the change to winter grade diesel, cold weather, wet roads and head winds doesn't help mpg's. My dash mpg indication reads about 10% slow, I do slightly better than indicated.

On the other theme coming out of this thread you can get a diesel to run on oil vapour, I've done it thrashing a Merc Sprinter up a steep hill. It was quite disturbing having the engine run away uncontrolled and wouldn't turn off on the key. I didn't know what was happening and in the heat of the moment never thought of stalling it.

If you think you've exhaust fumes getting into the car run your hand close along the length of the exhaust and see if there's a leak and you should be able to hear a leak. Or have you a hole at the back letting fumes in from the vortex behind the car? Try turning the fan speed up, some folk run with air off all the time and wonder why their windows steam up.
 
Last edited:
Rob4x40 said:
Interesting to see the various figures on these as I was originally looking for Diesel when I purchased my 4.6 HSE. (I probably would have except I couldn't find a decent one at a good price.) My HSE has a sequential LPG and does 10-13mpg around town and with a careful right foot 20-22mpg is possible on a run. At 66.9p/litre it gives me a fairly similar cost which is quite a surprise I must admit - especially hilly urban terrain which is much of my use. I must confess that I would have expected the diesel to be more consistently in the low 20's...
Click to expand...

If you live in a flat area with no hills it would be. Up hill down dale and you pay the price.
 
Poor consumption in winter could be due to cold running, the aircon fans mod on the diesel helps fuel consumption in winter as warm up is quicker.
 
Datatek said:
Poor consumption in winter could be due to cold running, the aircon fans mod on the diesel helps fuel consumption in winter as warm up is quicker.
Click to expand...

Mostly down to winter diesel with the anti waxing **** in it i think. :)
 
Datatek said:
No difference on winter diesel that I can measure here perhaps because the air on doesn't work so hard.:)
Click to expand...

Bit dense this morning Keith you will have to explain that one. :) Got it should have been Air CON. It's not my fault you live where it's bloody warm. Lucky git.
 
wammers said:
Bit dense this morning Keith you will have to explain that one. :) Got it should have been Air CON. It's not my fault you live where it's bloody warm. Lucky git.
Click to expand...

Bloody tablet changes the spelling and sometimes I don't notice:eek:
 
wammers said:
Unscrew the plate and the gauze in under it. About 15 inches long, three inches wide and one inch deep, hard to miss actually. As i said the PCV is outside on non EGR and inside on EGR engines. As Nik has a MY 2000 motor the PCV is inside the cam cover with just a pipe from that to the inlet. All you will see inside the early cam covers is a separator cover plate held on by about nine screws. The later ones have the plate and a PCV screwed on in front of it. Which is sat on a rubber gasket.
Click to expand...

I was thinking of diverting the engine breather into a separate collection bottle similar to that fitted to aircraft. This would prevent the inter cooler getting oiled up.
 
add 5% petrol in winter 10% harsh winter, will get rid of cold start issues as will help keep the diesel nice and thin, and less smoke on start up

MPG didn't notice any diff TBH
 
markav8r said:
I was thinking of diverting the engine breather into a separate collection bottle similar to that fitted to aircraft. This would prevent the inter cooler getting oiled up.
Click to expand...

Oil in the intercooler is normal, excessive oil is not. Cleaning out the oil separator and PCV in the cam cover will prevent excessive oil. The intercooler should be flushed every 48,000 miles.
 
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