Mk3 Mondeo TDCi Poor MPG Updated

Brian · 07-12-2009, 02:04 PM

I have noticed that our Mondeo 130bhp seems to have poor MPG lately

Anyone know why? what it could be causing this?

Cheers Brian

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It's Czech Mate · 07-12-2009, 02:09 PM

Recently serviced?
Tyre pressures, this affects mine wildly!

st3v3 · 07-12-2009, 02:21 PM

anysmoke on start up, when you boot it?

Brian · 07-12-2009, 02:41 PM

Was serviced a few months ago, i havent checked the tyre pressures for a while actually i will do this, i did notice a bit off difference when i fitted 18's but its now getting worse it does smoke a bit when you boot it, but dont all Diesels

Brian

stuboy · 07-12-2009, 02:45 PM

local runs ??

st3v3 · 07-12-2009, 02:49 PM

might be sticking EGR valve?

stuboy · 07-12-2009, 02:49 PM

what about loading it up with some fat mates and go for a trip up the motorway

Brian · 07-12-2009, 03:01 PM

Will remove the EGR valve and give it a clean

Brian

st3v3 · 07-12-2009, 03:44 PM

if you can you might want to remove the plastic inlet and do that at the same time, even if theyre not your problem, by cleaning both you will improve the mpg anyway.

TIFF · 07-12-2009, 08:18 PM

Whats the best stuff to clean them with???

DanW@FastFord · 07-12-2009, 10:06 PM

What kind of MPG are you getting, compared to what you were getting?

Brian · 07-12-2009, 11:01 PM

Been told to use brake/carb cleaner

I was getting around 48mpg around town, but its now down to 35mpg

Brian

R4N S S · 07-12-2009, 11:31 PM

try changing your fuel filter too

wayne thomas · 08-12-2009, 07:48 AM

Quote:

Originally Posted by Brian

Been told to use brake/carb cleaner

I was getting around 48mpg around town, but its now down to 35mpg

Brian

The new figure seems more in line with my experience of the 130 brake Mondeo, ran 1 for 3yrs (135k miles) never saw more than 42mpg and it was constant motorway work not knocking about town.

It's Czech Mate · 08-12-2009, 09:12 AM

Quote:

Originally Posted by wayne thomas

The new figure seems more in line with my experience of the 130 brake Mondeo, ran 1 for 3yrs (135k miles) never saw more than 42mpg and it was constant motorway work not knocking about town.

At 70-80 on the motorway and being light on the throttle I have seen 48-50mpg consistently for the last 2 1/2 years

If you turd along at 90+ then yeah it goes down to about 43

Brian · 08-12-2009, 07:00 PM

Well i have just removed the EGR valve and gave it a good clean there was some build up of shit but not much, was gonna remove the inlet but i need the car tomorrow and got work tonight so will remove that and clean it in the next few days, going to replace the air and fuel filters to this week see if it helps

Brian

TIFF · 08-12-2009, 07:28 PM

Quote:

Originally Posted by Brian

Well i have just removed the EGR valve and gave it a good clean

Where is that.....i havent open the bonnet yet but is it easy to get to and clean

KregRS · 08-12-2009, 07:56 PM

Boost pipe? Had one go on mine, 2.2 diesel, mpg dropped down to 32, since its been sorted get about 38 round town and anything upto 55 on a run.

st3v3 · 08-12-2009, 08:20 PM

Quote:

Originally Posted by TIFF

Where is that.....i havent open the bonnet yet but is it easy to get to and clean

yes mate piece of pee

this is what it looks like and where:
http://images.google.co.uk/imgres?im...a%3DN%26um%3D1

Brian · 08-12-2009, 08:24 PM

Quote:

Originally Posted by TIFF

Where is that.....i havent open the bonnet yet but is it easy to get to and clean

Have a look here mate a guide on how to remove it, its very easy 2 bolts,2 nuts and a jubilee clip

http://fordwiki.co.uk/index.php/EGR_..._Clearout_TDCi

Brian

Brian · 09-12-2009, 01:54 PM

Update

I used the car last night for work i done 150miles and its now doing 53mpg thats sat at 70mph on the motorway and it droped down to 51mpg when i was going through town

Brian

TIFF · 09-12-2009, 07:24 PM

Cheers boys...will do mine over the weekend

Brian · 09-12-2009, 10:17 PM

No worries mate

Brian

liarco2001 · 13-12-2009, 08:15 AM

Quote:

Originally Posted by Brian

No worries mate

Brian

Hi mate i have a focus tdci 115 that is displayin similar symptoms. Was gettin 48 to 52 mpg then all of a sudden its dropped to between 37 and 43 no matter how i drive. What was it you did exactly? I know your engine will be slightly different to mine but any help would be greatly appreciated as i do nearly 3000 miles a month and its started costing me a fortune. Many thanks. Al

liarco2001 · 13-12-2009, 08:43 AM

Also not knowing if this is related, my air con stopped working at all recently and i developed a horrible squeak on start up and shut off at the same time, which im thinking could be the pump seized or the belt loose but im not having any charging problems but do have a squeaky belt when its damp. Could this be causing extra drag on the engine and cause my mpg problem? Just ordered a haynes manual for the focus from thebookdepository.com last week but with the xmas post dont expect to get it before xmas. Again any help appreciated.

stuboy · 13-12-2009, 08:44 AM

Quote:

Originally Posted by liarco2001

Hi mate i have a focus tdci 115 that is displayin similar symptoms. Was gettin 48 to 52 mpg then all of a sudden its dropped to between 37 and 43 no matter how i drive. What was it you did exactly? I know your engine will be slightly different to mine but any help would be greatly appreciated as i do nearly 3000 miles a month and its started costing me a fortune. Many thanks. Al

http://fordwiki.co.uk/index.php/EGR_..._Clearout_TDCi

dave cos4x4 · 13-12-2009, 09:04 AM

excellent.

will give this a go on her Jag x-type, same engine and were getting low mpg from it.

looks easy enough to do aswell.

the youth · 13-12-2009, 09:08 AM

Quote:

Originally Posted by liarco2001

Also not knowing if this is related, my air con stopped working at all recently and i developed a horrible squeak on start up and shut off at the same time, which im thinking could be the pump seized or the belt loose but im not having any charging problems but do have a squeaky belt when its damp. Could this be causing extra drag on the engine and cause my mpg problem? Just ordered a haynes manual for the focus from thebookdepository.com last week but with the xmas post dont expect to get it before xmas. Again any help appreciated.

check the bottom pulley

steve

TIFF · 13-12-2009, 10:31 AM

cleaned mine out on the Mondeo yesterday....reset the MPG to see how we get on......will let you know later.

Peice of piss to do, took about 15 minutes.....

TIFF · 13-12-2009, 04:07 PM

just been on a 20mile run up the bypass to Coventry and it is showing 35mpg and rising fast.......

Brian · 13-12-2009, 04:24 PM

Nice one mate

Have done a few short trips in ours last few days poping to the shops etc and the lowest its dropped to is 45.8mpg

Brian

TIFF · 13-12-2009, 04:28 PM

is that just town driving or motorway that you see 45mpg

Brian · 13-12-2009, 06:07 PM

Quote:

Originally Posted by TIFF

is that just town driving or motorway that you see 45mpg

Town driving mate on the motorway last week i got it upto 53mpg

Brian

dave cos4x4 · 13-12-2009, 06:58 PM

did mine earlier on and the carbon that cae out of the egr valve!!

i HAD to do the inlet aswell as there was a very big build up in there to!
when it was off, the amount that was on the inside of the head,must of been 1mm think in carbon and the crap that come out of the inlet, i could not believe it,all that from a 50k milage car!

have taken it for a small run today but could see it slowly building up the mpg,have to do a few more miles first i think so it can start correcting its self.

thanks for the info on this lads.

packman · 13-12-2009, 07:17 PM

You should be seeing 600 to a tank , change air and fuel filter and get the injectors checked to see if there all still in synk with each other , they might just want re-calibrating.

pieterjan · 13-12-2009, 07:47 PM

If you have put on 18" wheels you have to update the ecu that it know's that you have 18" now. Your ford dealer can do this.

Brian · 13-12-2009, 07:51 PM

Quote:

Originally Posted by pieterjan

If you have put on 18" wheels you have to update the ecu that it know's that you have 18" now. Your ford dealer can do this.

Really never hear of that

i fitted 18"s to mine about 6 months ago

Brian

Brian · 13-12-2009, 07:53 PM

Quote:

Originally Posted by dave cos4x4

did mine earlier on and the carbon that cae out of the egr valve!!

i HAD to do the inlet aswell as there was a very big build up in there to!
when it was off, the amount that was on the inside of the head,must of been 1mm think in carbon and the crap that come out of the inlet, i could not believe it,all that from a 50k milage car!

have taken it for a small run today but could see it slowly building up the mpg,have to do a few more miles first i think so it can start correcting its self.

thanks for the info on this lads.

No worries mate

I never removed my inlet manifold as run out of time, how did you get the plug disconnected the (grey white colour one in the middle)? only i couldnt get mine unpluged

and didnt wonan break it

Brian

James · 13-12-2009, 07:53 PM

Quote:

Originally Posted by pieterjan

If you have put on 18" wheels you have to update the ecu that it know's that you have 18" now. Your ford dealer can do this.

your sure?

the old mondeo uses pretty basic electronics and i was told it wasn't possible to change wheel size details?

re mpg, keep an eye on the temp gauge. when upto temp it should sit dead central and hardly ever move. theres a valve on the back of the waterpump which plays up, it's only about £10 and this creates too much flow around the systems when it breaks so the engine never gets upto temp!

pieterjan · 13-12-2009, 08:07 PM

Normaly it's possible i've did this on a few mondeo's and focus. It makes a diffrence in the speedo.

07-12-2009, 02:09 PM	#2
It's Czech Mate ............ Garage is empty, add now Trader Score: (0) Join Date: Jun 2003 Location: West Mids Posts: 10,355 Rep Power: 19	Recently serviced? Tyre pressures, this affects mine wildly! __________________ Just for the 'tards who leave tags the text below is a piece of information, NOT what I drive 1994 Suzuki Swift JDM Suzuka Edition 1.3L 185bhp 142.3 bhp per litre natrually aspirated. The highest specific power output of any production car 4 stroke reciprocating piston engine ( including Vtec kicked in Yo! cars )

07-12-2009, 02:21 PM	#3
st3v3 PassionFord Post Whore!! Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: Not near you Posts: 7,091 Rep Power: 16	anysmoke on start up, when you boot it? __________________ cheers steve. "Everyone is a Genius,But if you judge a fish by it's ability to climb a tree-It will live it's whole life thinking it's stupid"-A.Einstein

07-12-2009, 02:41 PM	#4
Brian 10K+ Poster!! Garage is empty, add now Trader Score: (2) Join Date: Aug 2003 Location: Essex Posts: 10,261 Rep Power: 19	Was serviced a few months ago, i havent checked the tyre pressures for a while actually i will do this, i did notice a bit off difference when i fitted 18's but its now getting worse it does smoke a bit when you boot it, but dont all Diesels Brian __________________ Last edited by Brian; 07-12-2009 at 02:43 PM.

07-12-2009, 02:45 PM	#5
stuboy Advanced PassionFord User 1999 Ford mondeo Trader Score: (0) Join Date: Oct 2006 Location: ashford kent Posts: 1,718 Rep Power: 7	local runs ?? __________________

07-12-2009, 02:49 PM	#6
st3v3 PassionFord Post Whore!! Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: Not near you Posts: 7,091 Rep Power: 16	might be sticking EGR valve? __________________ cheers steve. "Everyone is a Genius,But if you judge a fish by it's ability to climb a tree-It will live it's whole life thinking it's stupid"-A.Einstein

07-12-2009, 03:01 PM	#8
Brian 10K+ Poster!! Garage is empty, add now Trader Score: (2) Join Date: Aug 2003 Location: Essex Posts: 10,261 Rep Power: 19	Will remove the EGR valve and give it a clean Brian __________________

07-12-2009, 03:44 PM	#9
st3v3 PassionFord Post Whore!! Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: Not near you Posts: 7,091 Rep Power: 16	if you can you might want to remove the plastic inlet and do that at the same time, even if theyre not your problem, by cleaning both you will improve the mpg anyway. __________________ cheers steve. "Everyone is a Genius,But if you judge a fish by it's ability to climb a tree-It will live it's whole life thinking it's stupid"-A.Einstein

07-12-2009, 08:18 PM	#10
TIFF Chasing Radders Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: WARWICK Posts: 36,444 Rep Power: 45	Whats the best stuff to clean them with??? __________________ BMW E39 530D SPORT.............. REMAPPED TO 230BHP AND 500NM TORQUE........

07-12-2009, 10:06 PM	#11
DanW@FastFord Spelling Club King! Garage is empty, add now Trader Score: (1) Join Date: Oct 2007 Location: Fast Ford Posts: 8,796 Rep Power: 14	What kind of MPG are you getting, compared to what you were getting?

07-12-2009, 11:01 PM	#12
Brian 10K+ Poster!! Garage is empty, add now Trader Score: (2) Join Date: Aug 2003 Location: Essex Posts: 10,261 Rep Power: 19	Been told to use brake/carb cleaner I was getting around 48mpg around town, but its now down to 35mpg Brian

07-12-2009, 11:31 PM	#13
R4N S S 20K+ Super Poster. Garage is empty, add now Trader Score: (6) Join Date: Jun 2003 Location: ? Posts: 23,968 Rep Power: 32	try changing your fuel filter too __________________ RAN Middlesex RSOC Treasurer Moonstone 3dr gone White 3dr Track car being built and restored http://passionford.com/forum/restora...abuse-car.html E36 325i Drifter

08-12-2009, 07:00 PM	#16
Brian 10K+ Poster!! Garage is empty, add now Trader Score: (2) Join Date: Aug 2003 Location: Essex Posts: 10,261 Rep Power: 19	Well i have just removed the EGR valve and gave it a good clean there was some build up of shit but not much, was gonna remove the inlet but i need the car tomorrow and got work tonight so will remove that and clean it in the next few days, going to replace the air and fuel filters to this week see if it helps Brian __________________

08-12-2009, 07:56 PM	#18
KregRS I've found that life I needed.. It's HERE!! Garage is empty, add now Trader Score: (0) Join Date: May 2005 Location: Ipswich Posts: 1,201 Rep Power: 8	Boost pipe? Had one go on mine, 2.2 diesel, mpg dropped down to 32, since its been sorted get about 38 round town and anything upto 55 on a run.

09-12-2009, 01:54 PM	#21
Brian 10K+ Poster!! Garage is empty, add now Trader Score: (2) Join Date: Aug 2003 Location: Essex Posts: 10,261 Rep Power: 19	Update I used the car last night for work i done 150miles and its now doing 53mpg thats sat at 70mph on the motorway and it droped down to 51mpg when i was going through town Brian __________________ Last edited by Brian; 09-12-2009 at 01:55 PM.

09-12-2009, 07:24 PM	#22
TIFF Chasing Radders Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: WARWICK Posts: 36,444 Rep Power: 45	Cheers boys...will do mine over the weekend __________________ BMW E39 530D SPORT.............. REMAPPED TO 230BHP AND 500NM TORQUE........

09-12-2009, 10:17 PM	#23
Brian 10K+ Poster!! Garage is empty, add now Trader Score: (2) Join Date: Aug 2003 Location: Essex Posts: 10,261 Rep Power: 19	No worries mate Brian __________________

13-12-2009, 08:43 AM	#25
liarco2001 Virgin Garage is empty, add now Trader Score: (0) Join Date: Aug 2005 Posts: 11 Rep Power: 0	Also not knowing if this is related, my air con stopped working at all recently and i developed a horrible squeak on start up and shut off at the same time, which im thinking could be the pump seized or the belt loose but im not having any charging problems but do have a squeaky belt when its damp. Could this be causing extra drag on the engine and cause my mpg problem? Just ordered a haynes manual for the focus from thebookdepository.com last week but with the xmas post dont expect to get it before xmas. Again any help appreciated.

13-12-2009, 09:04 AM	#27
dave cos4x4 Professional Waffler 1992 Ford Escort Trader Score: (4) Join Date: May 2003 Location: Liverpool Posts: 26,093 Rep Power: 35	excellent. will give this a go on her Jag x-type, same engine and were getting low mpg from it. looks easy enough to do aswell.

13-12-2009, 10:31 AM	#29
TIFF Chasing Radders Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: WARWICK Posts: 36,444 Rep Power: 45	cleaned mine out on the Mondeo yesterday....reset the MPG to see how we get on......will let you know later. Peice of piss to do, took about 15 minutes..... __________________ BMW E39 530D SPORT.............. REMAPPED TO 230BHP AND 500NM TORQUE........

13-12-2009, 04:07 PM	#30
TIFF Chasing Radders Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: WARWICK Posts: 36,444 Rep Power: 45	just been on a 20mile run up the bypass to Coventry and it is showing 35mpg and rising fast....... __________________ BMW E39 530D SPORT.............. REMAPPED TO 230BHP AND 500NM TORQUE........

13-12-2009, 04:24 PM	#31
Brian 10K+ Poster!! Garage is empty, add now Trader Score: (2) Join Date: Aug 2003 Location: Essex Posts: 10,261 Rep Power: 19	Nice one mate Have done a few short trips in ours last few days poping to the shops etc and the lowest its dropped to is 45.8mpg Brian __________________

13-12-2009, 04:28 PM	#32
TIFF Chasing Radders Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: WARWICK Posts: 36,444 Rep Power: 45	is that just town driving or motorway that you see 45mpg __________________ BMW E39 530D SPORT.............. REMAPPED TO 230BHP AND 500NM TORQUE........

13-12-2009, 06:58 PM	#34
dave cos4x4 Professional Waffler 1992 Ford Escort Trader Score: (4) Join Date: May 2003 Location: Liverpool Posts: 26,093 Rep Power: 35	did mine earlier on and the carbon that cae out of the egr valve!! i HAD to do the inlet aswell as there was a very big build up in there to! when it was off, the amount that was on the inside of the head,must of been 1mm think in carbon and the crap that come out of the inlet, i could not believe it,all that from a 50k milage car! have taken it for a small run today but could see it slowly building up the mpg,have to do a few more miles first i think so it can start correcting its self. thanks for the info on this lads.

13-12-2009, 07:17 PM	#35
packman Regular Contributor Garage is empty, add now Trader Score: (0) Join Date: Oct 2006 Location: Northampton Posts: 243 Rep Power: 6	You should be seeing 600 to a tank , change air and fuel filter and get the injectors checked to see if there all still in synk with each other , they might just want re-calibrating.

13-12-2009, 07:47 PM	#36
pieterjan PassionFord Regular Garage is empty, add now Trader Score: (4) Join Date: Jul 2007 Location: hoegaarden(the beer) belgium Posts: 461 Rep Power: 5	If you have put on 18" wheels you have to update the ecu that it know's that you have 18" now. Your ford dealer can do this.

13-12-2009, 08:07 PM	#40
pieterjan PassionFord Regular Garage is empty, add now Trader Score: (4) Join Date: Jul 2007 Location: hoegaarden(the beer) belgium Posts: 461 Rep Power: 5	Normaly it's possible i've did this on a few mondeo's and focus. It makes a diffrence in the speedo.

13-12-2009, 08:07 PM
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