Help - Esp System Fault

584 Views 17 Replies 9 Participants Last post by philbotley, Dec 27, 2009

philbotley

Discussion Starter · Dec 3, 2009

3

Sorry guys i did have a little search about!!

A ''ESP System Fault'' message has popped up on my dash display.. I have had this come up before one or two times but has always cleared the next time i start the car!!

Its now been displayed since monday and hasnt gone out!!, Can feel no difference in the cars behaviour and other than there being no ESP lol it seems to be ok, But this evening on my way home from work the engine management light came on and stays on all the time!!

Someone said to me that sometimes it can be the ABS sensors either faulty or clogged up??

Any ideas or thoughs, Cant get it looked at till well into next week

Cheers - Phil

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1 - 18 of 18 Posts

jonn

· #2 · Dec 3, 2009

more than likely to be the maf sensor as per usual
i ran mine like that for a month or two before getting a new one

but like you said, it could be the brake sensor jobby

philbotley

Discussion Starter · #3 · Dec 3, 2009

Cheers John..

Changed my MAF sensor about 4 months back but i guess its not unfeasable that it could have packed up again!! Wont find out till next week but would be good to hear what else can cause it..

Cheers - Phil

ChopperST

· #4 · Dec 4, 2009

Do you know anyone who has dreamscience - you could plug into the OBD port and get the error codes?

glennboysst3

· #5 · Dec 4, 2009

just bear in mind the dreamscience unit will not read all fault codes ,tryd this when my abs module went up the creek and got no fault codes ,even tryd mates scan gauge 2 and same there got no fault codes ,turned out the sodding abs module had packed up !!still worth a go as choper has said MAY give you a code ,hope it does as pain to get sorted if not ,good luck mate hope u get it sorted soon .

philbotley

Discussion Starter · #6 · Dec 4, 2009

Cheers Guys..

Have managed to find someone who can look at it tomorrow so should hopefully find out then whats wrong..

Thanks - Phil

choccymonster

· #7 · Dec 4, 2009 (Edited by Moderator)

2

QUOTE(glennboysst3 @ 4 Dec 2009, 11:44 AM) <{POST_SNAPBACK}>just bear in mind the dreamscience unit will not read all fault codes ,tryd this when my abs module went up the creek and got no fault codes ,even tryd mates scan gauge 2 and same there got no fault codes ,turned out the sodding abs module had packed up !!still worth a go as choper has said MAY give you a code ,hope it does as pain to get sorted if not ,good luck mate hope u get it sorted soon .

+1

Glennboy is spot on.

Some/most MAF and/or ABS error codes are not OBD error codes, and are therefore not stored within the section of the ECU memory that is accessible with either a Scangauge II or a DS/other handset.

The only way to access these error codes is to take the car to a tame Ford dealer and get it on their IDS system.

That said, as Glenn quite correctly points out, it's worth having a pop with a DS handset as there may be OTHER codes that ARE stored and ARE readable, and consequently might point you in the right direction.

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philbotley

Discussion Starter · #8 · Dec 4, 2009

Thanks Choccymonster..

Hopefully will find out what it is tomorrow morning and how much its gonna fleece me lol..

A small bit of good news though, Sorted out a boost issue today..

Had to replace my alternator nearly 2 months ago now and noticed a small split in the small boost hose that goes from the boost charge pipe into the recirculating valve? it was a week before the ST Rolling road session at Surrey Rolling road centre at end of oct and as it looked like the split hadn't gone all the way through so I refitted it!!

Since then the car only seemed to boost upto 1 bar but i just assumed it was nothing major and poss just that i was sinking the throttle more as aposed to just bringing it to boost and holding the pedal there lol..

Anyway i thought that it must be the hose and replaced it today in my lunch hour and what a difference lol, No wonder my Power was down on the dyno PMSL... The split had gone all the way through!!

Ahh well, Will see what the garage say tomorrow..

Thanks - Phil

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philbotley

Discussion Starter · #9 · Dec 5, 2009

Hey Guys..

ST had diagnostic check this morning, ESP fault erased and engine management light was on because of boost leak which i still have GGGRRRRRR!!!

Just a case of finding it now, The small boost hose was deffo split but perhaps with it gone it was hiding the real culprit all along!!

Phil

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philbotley

Discussion Starter · #10 · Dec 15, 2009

All sorted now..

When i replaced my alternator a couple of months back i had to remove the boost pipe going fron the intercooler to the throttle body, I obviously didnt check that i had the rubber sealing end piece on properly so it was not sealing properly..

What intrigues me is how the ESP system fault has now disappeared completely, The Engine management light yeah i can understand that.. But why the ESP???

Anyway, All good.. Now have full boost and with the temps nice and cool too.. Life is great LOL..

Phil

Phil

· #11 · Dec 15, 2009

QUOTE(philbotley @ 15 Dec 2009, 03:05 PM) <{POST_SNAPBACK}>All sorted now..

When i replaced my alternator a couple of months back i had to remove the boost pipe going fron the intercooler to the throttle body, I obviously didnt check that i had the rubber sealing end piece on properly so it was not sealing properly..

What intrigues me is how the ESP system fault has now disappeared completely, The Engine management light yeah i can understand that.. But why the ESP???

Anyway, All good.. Now have full boost and with the temps nice and cool too.. Life is great LOL..

Phil

Glad its all sorted now, i can't understand why an esp fault comes up with a misfire or boost fault? i've just sorted mine after a long search, mine turn out to be maf related, but also had an airleak that must have been down to the dumpvalve, as its fine now iv'e removed it?
I also changed the map and turbo solanoid, so hopefuly i can enjoy the car again.

wolfman

· #12 · Dec 15, 2009

QUOTE(philbotley @ 15 Dec 2009, 03:05 PM) <{POST_SNAPBACK}>What intrigues me is how the ESP system fault has now disappeared completely, The Engine management light yeah i can understand that.. But why the ESP???

The ECU needs to have total control of the engine in order to operate the complex handling related ESP system. The ECU needs to be able to control the engine power/torque in-conjunction with the ABS system to help control the car.

Subsequently in the event of a sensor starting to fail the ECU will automatically shut down the ESP system as a failsafe precaution.

If this was not the case, for example, it would be feasible for the ECU to inadvertently increase power to the driven wheels, rather than reduce power on slippy surfaces due to a duff information being supplied by a engine sensor such as the MAF.

If that happened the manufacturer's would all start to be sued by customers who had had accidents caused by a faulty ESP system.

loko

· #13 · Dec 15, 2009

2

QUOTE(wolfman @ 15 Dec 2009, 06:11 PM) <{POST_SNAPBACK}>The ECU needs to have total control of the engine in order to operate the complex handling related ESP system. The ECU needs to be able to control the engine power/torque in-conjunction with the ABS system to help control the car.

Subsequently in the event of a sensor starting to fail the ECU will automatically shut down the ESP system as a failsafe precaution.

If this was not the case, for example, it would be feasible for the ECU to inadvertently increase power to the driven wheels, rather than reduce power on slippy surfaces due to a duff information being supplied by a engine sensor such as the MAF.

If that happened the manufacturer's would all start to be sued by customers who had had accidents caused by a faulty ESP system.

you are far too knowledgeable for your own good gary

but that does explain why my esp light came on when my i/c pipe blew off

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philbotley

Discussion Starter · #14 · Dec 16, 2009

QUOTE(wolfman @ 15 Dec 2009, 06:11 PM) <{POST_SNAPBACK}>The ECU needs to have total control of the engine in order to operate the complex handling related ESP system. The ECU needs to be able to control the engine power/torque in-conjunction with the ABS system to help control the car.

Subsequently in the event of a sensor starting to fail the ECU will automatically shut down the ESP system as a failsafe precaution.

If this was not the case, for example, it would be feasible for the ECU to inadvertently increase power to the driven wheels, rather than reduce power on slippy surfaces due to a duff information being supplied by a engine sensor such as the MAF.

If that happened the manufacturer's would all start to be sued by customers who had had accidents caused by a faulty ESP system.

Thanks for that info, I was wondering what the connection was..

Cheers - Phil

choccymonster

· #15 · Dec 16, 2009

QUOTE(philbotley @ 16 Dec 2009, 03:18 PM) <{POST_SNAPBACK}>Thanks for that info, I was wondering what the connection was..

Cheers - Phil

Glad it was resolved matey!!

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philbotley

Discussion Starter · #16 · Dec 17, 2009

3

QUOTE(choccymonster @ 16 Dec 2009, 04:38 PM) <{POST_SNAPBACK}>Glad it was resolved matey!!

Cheers Mate..

It appears that everytime i treat myself to a Mod.. Something else goes

up so i dont get a chance to reap the benefits

Phil

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focus149

· #17 · Dec 27, 2009

My cars shown this error message twice , both times the tyre pressures were out ..after checking the pressures the light went out .. Hasn't done it for a few mths now but I check my pressures quite regular

philbotley

Discussion Starter · #18 · Dec 27, 2009

2

QUOTE(focus149 @ 27 Dec 2009, 09:26 PM) <{POST_SNAPBACK}>My cars shown this error message twice , both times the tyre pressures were out ..after checking the pressures the light went out .. Hasn't done it for a few mths now but I check my pressures quite regular

I can imagine you are right Mate..

I read up on ESP systems in general and its amazing how much is involved within it.. With all makes not just the

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