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Next: paging Krusty/Italian exoticaistis
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External
Since: Apr 18, 2007
Posts: 25
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(Msg. 1) Posted: Fri Feb 22, 2008 4:24 am
Post subject: SOC conundrum help needed asap - or diagnose me quick
Archived from groups: uk>rec>motorcycles (more info?)
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Started driving up to Cleveland last night (for a mate's wedding
today) in my 98 Mundaneo 2.5 Ghia X automatic [1].
On the A1, been in a bit of slow traffic, had just turned the cruise
control back on to take me up to cruise speed and it tripped out at
about 65 mph (should only do that below 25). Looked at speedo and it
was reading 0. Glanced at computer and it was reading 0. Looked at rev
counter and that's reading about 3.5k - higher than I expected.
Clicked button to take off overdrive (4th to the rest of us) and the
revs don't change - so it's not going into top.
Left A1 at next exit heading for any conurbation (Weatherby I think),
as we reach the top of the slip road and slow down the gear change was
unusually abrupt. When I got to the next roundabout it stalled and I
freewheeled into a layby. The car restarted OK but no change on the
speed front. Called for cavalry.
Mechanic has a look at the engine, gear box oil was below min [2].
Checks all fuses under bonnet but all fine. Gets it loaded, looks
underneath and he reckons that to get at any sensors would be
impossible in that situation. We didn't want to miss the wedding so
got towed to our destination. On the way he said his mate had a BMW
that had a similar problem, would accelerate to 60 the speedo would
read zero and it wouldn't engage top gear. That was solved by cleaning
the gear box oil filter.
So any ideas on what the problem might be or where to start looking. I
am a knownowt of the 1st order.
[1] OK that's the first problem.
[2] Bit annoying as I had it serviced a couple of months ago. |
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External
Since: Apr 17, 2007
Posts: 3
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(Msg. 2) Posted: Fri Feb 22, 2008 5:12 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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>
> Battery voltage low can cause these symptoms on BMWs. How old is the
> battery?
>
snip
Yes - a dodgy voltage regulator can do the same but the issue seems to
be gearbox and instrument cluster.
Can you explain the problem further, does the speedo no longer work
full stop? or does it work just upto 65mph then die?
If the speedo no longer works then the sender it is using to read road
speed may be faulty, if the gearbox cannot sense how quickly the car
is moving then it will not know when to shift.
Historically, cars used to take the speedo-drive off of the gearbox,
maybe there is a sensor on the gearbox somewhere. On a manual gearbox
the only electrical connection is the reverse-light switch, I am
guessing if there is anything else on there then that would be the
speedo-pickup.
The rev counter normally runs off the ignition coil which is why it is
not be affected.
HTH |
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External
Since: Apr 18, 2007
Posts: 25
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(Msg. 3) Posted: Fri Feb 22, 2008 6:57 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 22 Feb, 13:24, Dentist <D....RemoveThis@nospam.demon.co.uk> wrote:
> the man with no idea <innyb....RemoveThis@yahoo.com> wrote;
>
> 94 percent of Mondeo faults are caused by bad connections.
> Disconnect the battery, then, one at a time,
> disconnect/clean/examine/remake each connection relating to
> engine/gearbox management and instruments.
>
> You will need to remove the lower dash trim panel and the driver and
> passenger foot-well kick panels to gain access to some of the critical
> connectors. A manual telling you where the connectors are would be
> handy.
Handbook and everything else is still down Southish and TBH I'm such
an OMF I'd have to get someone useful to have a look. The recovery man
was definitely talking about moving hardware around to get at the
connector that he wanted to check.
>
> If you don't believe the statistic above, or you have a short attention
> span, feel free to ignore this post.
Oh I believe, however I do have a limited time in that we're supposed
to drive home again on Sunday. I'll see what I can get done with your
advice - much appreciated.
Thanks for the guidance though >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Apr 18, 2007
Posts: 25
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(Msg. 4) Posted: Fri Feb 22, 2008 7:00 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 22 Feb, 12:49, "JB" <n....DeleteThis@spam.net> wrote:
> "the man with no idea" <innyb....DeleteThis@yahoo.com> wrote in messagenews:d437a992-0d97-4fba-86d7-6853ef63e899@e60g2000hsh.googlegroups.com...
>
> Battery voltage low can cause these symptoms on BMWs. How old is the
> battery?
>
I don't know, have only had the car a matter of months and it was on
then. However, there seems to be plenty of life in it when I start the
car. >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Apr 18, 2007
Posts: 25
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(Msg. 5) Posted: Fri Feb 22, 2008 7:03 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 22 Feb, 13:12, Miles Reading <big_sidebu....RemoveThis@hotmail.com> wrote:
> > Battery voltage low can cause these symptoms on BMWs. How old is the
> > battery?
>
> snip
>
> Yes - a dodgy voltage regulator can do the same but the issue seems to
> be gearbox and instrument cluster.
>
> Can you explain the problem further, does the speedo no longer work
> full stop? or does it work just upto 65mph then die?
The speedo doesn't work at all.
> If the speedo no longer works then the sender it is using to read road
> speed may be faulty, if the gearbox cannot sense how quickly the car
> is moving then it will not know when to shift.
With my extremely limited logic, that's what I was thinking. Either
that or the brain had discovered a fault with the speedo and put me
into a slowly drive home mode.
> Historically, cars used to take the speedo-drive off of the gearbox,
> maybe there is a sensor on the gearbox somewhere. On a manual gearbox
> the only electrical connection is the reverse-light switch, I am
> guessing if there is anything else on there then that would be the
> speedo-pickup.
How to get to it is the problem.
> The rev counter normally runs off the ignition coil which is why it is
> not be affected.
>
> HTH
It's all appreciated. >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Apr 18, 2007
Posts: 25
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(Msg. 6) Posted: Fri Feb 22, 2008 9:23 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 22 Feb, 16:26, Pete M <pete.mur....DeleteThis@SPAMFREEblueyonder.co.uk> wrote:
> the man with no idea wrote:
>
>
> VSS - "Vehicle speed sensor" on the gearbox if the speedo isn't working,
> it also tells the gearbox when to change gear, the weighting of the
> steering and a few other things - like the overdrive.
>
> Common thing, not very expensive to fix.
>
> Pete M - OMF#9
You know, your sig doesn't fill me with confidence but I think you're
right in this case. >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Apr 18, 2007
Posts: 25
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(Msg. 7) Posted: Fri Feb 22, 2008 9:57 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 22 Feb, 16:26, Pete M <pete.mur....DeleteThis@SPAMFREEblueyonder.co.uk> wrote:
> the man with no idea wrote:
>
>
> > On the A1, been in a bit of slow traffic, had just turned the cruise
> > control back on to take me up to cruise speed and it tripped out at
> > about 65 mph (should only do that below 25). Looked at speedo and it
> > was reading 0. Glanced at computer and it was reading 0. Looked at rev
> > counter and that's reading about 3.5k - higher than I expected.
> > Clicked button to take off overdrive (4th to the rest of us) and the
> > revs don't change - so it's not going into top.
>
>
> VSS - "Vehicle speed sensor" on the gearbox if the speedo isn't working,
> it also tells the gearbox when to change gear, the weighting of the
> steering and a few other things - like the overdrive.
>
> Common thing, not very expensive to fix.
A mate of mine just put me in touch with a mechanic he knows. He
reckons that it has to go on a computer for proper diagnostics - which
he couldn't do. So I said that it's almost certainly the VSS, couldn't
I just replace that. He replied in the negative because the
replacement would still need programming in. Starting to get desperate
I suggested that at least I could get the connector off, give it a
clean etc and see if that makes a difference. No says he. Even with
the battery disconnected the EMS may log a fault and refuse to run the
car at all.
This all sounds like I'm buggered. >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Mar 26, 2005
Posts: 931
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(Msg. 8) Posted: Fri Feb 22, 2008 11:27 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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the man with no idea wrote:
> Started driving up to Cleveland last night (for a mate's wedding
> today) in my 98 Mundaneo 2.5 Ghia X automatic [1].
>
> [1] OK that's the first problem.
Indeed. I had one as a company motor, & the gearbox needed over 2k
spent on it at 80k miles, along with about 3 months off the road trying
to find the problem. Good luck...
--
Krusty
www.MuddyStuff.co.uk
Off-Road Classifieds
'02 MV Senna '03 Tiger 955i '96 Tiger '79 Fantic Hiro 250 >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Mar 25, 2005
Posts: 115
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(Msg. 9) Posted: Fri Feb 22, 2008 11:27 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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the man with no idea (the man with no idea <innybiff RemoveThis @yahoo.com>) gurgled
happily, sounding much like they were saying:
> Mechanic has a look at the engine, gear box oil was below min [2].
> [2] Bit annoying as I had it serviced a couple of months ago.
Don't be too hard on whoever serviced it - most vaguely-recent autoboxes
are "sealed for life" with no level check or fluid change in the service
schedule AT ALL.
That tends to lead to short lives...
The fact that everything went blank on the dash, though, makes me think
electrickery rather than an internal box failure.
uk.rec.cars.maintenance would be a good place to ask. >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Feb 01, 2007
Posts: 71
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(Msg. 10) Posted: Fri Feb 22, 2008 11:27 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"the man with no idea" <innybiff RemoveThis @yahoo.com> wrote in message
news:d437a992-0d97-4fba-86d7-6853ef63e899@e60g2000hsh.googlegroups.com...
> Started driving up to Cleveland last night (for a mate's wedding
> today) in my 98 Mundaneo 2.5 Ghia X automatic [1].
>
> On the A1, been in a bit of slow traffic, had just turned the cruise
> control back on to take me up to cruise speed and it tripped out at
> about 65 mph (should only do that below 25). Looked at speedo and it
> was reading 0. Glanced at computer and it was reading 0. Looked at rev
> counter and that's reading about 3.5k - higher than I expected.
> Clicked button to take off overdrive (4th to the rest of us) and the
> revs don't change - so it's not going into top.
>
> Left A1 at next exit heading for any conurbation (Weatherby I think),
> as we reach the top of the slip road and slow down the gear change was
> unusually abrupt. When I got to the next roundabout it stalled and I
> freewheeled into a layby. The car restarted OK but no change on the
> speed front. Called for cavalry.
>
> Mechanic has a look at the engine, gear box oil was below min [2].
> Checks all fuses under bonnet but all fine. Gets it loaded, looks
> underneath and he reckons that to get at any sensors would be
> impossible in that situation. We didn't want to miss the wedding so
> got towed to our destination. On the way he said his mate had a BMW
> that had a similar problem, would accelerate to 60 the speedo would
> read zero and it wouldn't engage top gear. That was solved by cleaning
> the gear box oil filter.
>
> So any ideas on what the problem might be or where to start looking. I
> am a knownowt of the 1st order.
>
Battery voltage low can cause these symptoms on BMWs. How old is the
battery?
JB >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Oct 11, 2006
Posts: 50
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(Msg. 11) Posted: Fri Feb 22, 2008 11:27 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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the man with no idea <innybiff.DeleteThis@yahoo.com> wrote;
>So any ideas on what the problem might be or where to start looking. I
>am a knownowt of the 1st order.
94 percent of Mondeo faults are caused by bad connections.
Disconnect the battery, then, one at a time,
disconnect/clean/examine/remake each connection relating to
engine/gearbox management and instruments.
You will need to remove the lower dash trim panel and the driver and
passenger foot-well kick panels to gain access to some of the critical
connectors. A manual telling you where the connectors are would be
handy.
As a general rule, connectors in the harshest environment are the most
likely to fail, so engine compartment and under-car/gearbox connectors
are favourite.
You have to work carefully and methodically, but this only costs you
your own time. If you can't do it, or it makes no difference when done,
that's the time to consider finding a good mechanic (not the kind that
tries new parts to see if it cures the problem, then charges you for all
the parts you didn't need).
Don't forget to reconnect the battery.
If you don't believe the statistic above, or you have a short attention
span, feel free to ignore this post.
--
Denis
SprintST1050 Tiger750TR7RV >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Feb 12, 2008
Posts: 5
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(Msg. 12) Posted: Fri Feb 22, 2008 11:27 am
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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the man with no idea wrote:
> Started driving up to Cleveland last night (for a mate's wedding
> today) in my 98 Mundaneo 2.5 Ghia X automatic [1].
>
> On the A1, been in a bit of slow traffic, had just turned the cruise
> control back on to take me up to cruise speed and it tripped out at
> about 65 mph (should only do that below 25). Looked at speedo and it
> was reading 0. Glanced at computer and it was reading 0. Looked at rev
> counter and that's reading about 3.5k - higher than I expected.
> Clicked button to take off overdrive (4th to the rest of us) and the
> revs don't change - so it's not going into top.
>
> Left A1 at next exit heading for any conurbation (Weatherby I think),
> as we reach the top of the slip road and slow down the gear change was
> unusually abrupt. When I got to the next roundabout it stalled and I
> freewheeled into a layby. The car restarted OK but no change on the
> speed front. Called for cavalry.
>
> Mechanic has a look at the engine, gear box oil was below min [2].
> Checks all fuses under bonnet but all fine. Gets it loaded, looks
> underneath and he reckons that to get at any sensors would be
> impossible in that situation. We didn't want to miss the wedding so
> got towed to our destination. On the way he said his mate had a BMW
> that had a similar problem, would accelerate to 60 the speedo would
> read zero and it wouldn't engage top gear. That was solved by cleaning
> the gear box oil filter.
>
> So any ideas on what the problem might be or where to start looking. I
> am a knownowt of the 1st order.
>
> [1] OK that's the first problem.
> [2] Bit annoying as I had it serviced a couple of months ago.
VSS - "Vehicle speed sensor" on the gearbox if the speedo isn't working,
it also tells the gearbox when to change gear, the weighting of the
steering and a few other things - like the overdrive.
Common thing, not very expensive to fix.
--
Pete M - OMF#9
Range Rover V8 Turbo
Scorpio Ultima 24v
"Professional Petrolhead" >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Feb 12, 2008
Posts: 5
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(Msg. 13) Posted: Fri Feb 22, 2008 4:01 pm
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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the man with no idea wrote:
> On 22 Feb, 13:12, Miles Reading <big_sidebu... DeleteThis @hotmail.com> wrote:
>>> Battery voltage low can cause these symptoms on BMWs. How old is the
>>> battery?
>> snip
>>
>> Yes - a dodgy voltage regulator can do the same but the issue seems to
>> be gearbox and instrument cluster.
>>
>> Can you explain the problem further, does the speedo no longer work
>> full stop? or does it work just upto 65mph then die?
>
> The speedo doesn't work at all.
>
>> If the speedo no longer works then the sender it is using to read road
>> speed may be faulty, if the gearbox cannot sense how quickly the car
>> is moving then it will not know when to shift.
>
> With my extremely limited logic, that's what I was thinking. Either
> that or the brain had discovered a fault with the speedo and put me
> into a slowly drive home mode.
>
>> Historically, cars used to take the speedo-drive off of the gearbox,
>> maybe there is a sensor on the gearbox somewhere. On a manual gearbox
>> the only electrical connection is the reverse-light switch, I am
>> guessing if there is anything else on there then that would be the
>> speedo-pickup.
>
> How to get to it is the problem.
>
>> The rev counter normally runs off the ignition coil which is why it is
>> not be affected.
>>
>> HTH
>
> It's all appreciated.
It's the VSS, trust me.
--
Pete M - OMF#9
Range Rover V8 Turbo
Scorpio Ultima 24v
"Professional Petrolhead" >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Oct 29, 2004
Posts: 1930
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(Msg. 14) Posted: Fri Feb 22, 2008 4:01 pm
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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the man with no idea <innybiff DeleteThis @yahoo.com> wrote in news:f78d0fe5-6014-490c-
9a40-eaf085b816b8 DeleteThis @28g2000hsw.googlegroups.com:
> On 22 Feb, 12:49, "JB" <n... DeleteThis @spam.net> wrote:
>> "the man with no idea" <innyb... DeleteThis @yahoo.com> wrote in
messagenews:d437a992-0d97-4fba-86d7-6853ef63e899
@e60g2000hsh.googlegroups.com...
>
>>
>> Battery voltage low can cause these symptoms on BMWs. How old is the
>> battery?
>>
>
> I don't know, have only had the car a matter of months and it was on
> then. However, there seems to be plenty of life in it when I start the
> car.
You might have good connections to the starter motor but a poor earth to
another part of the car could cause the same symptoms as a flat battery
--
wessie at tesco dot net
BMW R1150GS >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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External
Since: Feb 12, 2008
Posts: 5
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(Msg. 15) Posted: Fri Feb 22, 2008 4:01 pm
Post subject: Re: SOC conundrum help needed asap - or diagnose me quick [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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the man with no idea wrote:
> On 22 Feb, 16:26, Pete M <pete.mur....DeleteThis@SPAMFREEblueyonder.co.uk> wrote:
>> the man with no idea wrote:
>>
>>
>> VSS - "Vehicle speed sensor" on the gearbox if the speedo isn't working,
>> it also tells the gearbox when to change gear, the weighting of the
>> steering and a few other things - like the overdrive.
>>
>> Common thing, not very expensive to fix.
>>
>> Pete M - OMF#9
>
> You know, your sig doesn't fill me with confidence but I think you're
> right in this case.
You have to break eggs to make an omelette 
If you're anywhere near Merseyside, gimme a shout if you get stuck.
--
Pete M - OMF#9
Range Rover V8 Turbo
Scorpio Ultima 24v
"Professional Petrolhead" >> Stay informed about: SOC conundrum help needed asap - or diagnose me quick |
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