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Gallagher99
Gallagher99, Senior Vehicle Technician
Category: Ford
Satisfied Customers: 3316
Experience:  SVQ LEVEL 3, QAULIFIED FORD SENIOR TECHNICIAN , ATA REGISTERD ,12 YEARS EXPERIENCE
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Ford Focus -Car stalling and speedo odometer stop working. I

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Ford Focus -Car stalling and speedo odometer stop working.Hi there I have a Ford Focus 1.8 petrol year 2000 115K mileage.It starts off fine but when the car starts warming up
* the speedo will drop to zero
* the odometer stays at the same mileage (occasionally they have changed to all -----
* the car will stall when changing gear approaching roundabouts or traffic lights.On a longer journey it will correct itself.
I have to top up the water more than usual.Please advise what the causes and fixes there may be.

Hi there , good afternoon to you and sorry for the delayed response

My name is ***** ***** I would be happy to assist you Today

Is yhe cuttimg out more apparent when slowing to a junction
ok is it the coolant you need to tip up and how frequent

Kindest regards ***** *****

Brian

Customer: replied 1 month ago.
the cutting out is when slowing down. when I put the foot on the clutch just before stopping it cuts out. Yes it is the water coolant that i need to top up every few weeks.

Hi there good morning to you

Ok the cutting out concern is caused by a faulty vehicle speed sensor

This is located on top of the gearbox and is held in place by a roll pin

I advise fitting a new roll pin when the new sensor is installed as it can become damaged in removal

This will resolve your cutting out /stalling issue

From your description of Your coolant concern I would suspect a small seep in the system

You should have a visually check of the collantb system and its advised to have the coolant system pressure tested as this can make identifying the leak easier

Common places leaks occur are the thermostat housing and water pump

If you need further help or technical assistance on this issue going forward

please let me know and I will do my upmost to assist you

If you are satisfied with my answer /advice

PLEASE REMEMBER TO RATE MY ANSWER as this helps to build my online profile

Kind regards ***** ***** and have a nice day

Any positive feedback /bonuses are kindly appreciated

Kindest regards ***** *****

Customer: replied 1 month ago.
That seems very feasible. I will order one today and fit it on Friday.
I will let you know how I get on.Many thanks
Nigel.

Will you be fitting it yourself Nigel

Customer: replied 1 month ago.
I have looked in the workshop manual and it seems fairly straight forward.
Do you have any tips?Thanks
Nigel.

Yes it looks straight forward but there is a few things yous must note

There is a roll pin which holds /secures the speed sensor into the gearbox

This can be tight /difficult to remove

I always soak the area in wd40 prior to doing the job

I then break the small thin metal clip off the roll pin and tap the roll pin inward (a tiny bit ) this is to free off the corrosion

As if you knock it too far in you cannot get a grip of it with small vice grips

You can then work it back and forth using the small grips

Once the roll pin is removed you need to remove them sensor

In an ideal work this should just pull out but with age /temperature differences the seal swells up and makes the sensor tight to remove

I use a blunt screwdriver to knock the sensor upward sometimes they come out easily sometimes they can be a pain

If you need further help or technical assistance on this issue going forward

please let me know and I will do my upmost to assist you

If you are satisfied with my answer /advice

PLEASE REMEMBER TO RATE MY ANSWER as this helps to build my online profile

Kind regards ***** ***** and have a nice day

Any positive feedback /bonuses are kindly appreciated

Kindest regards ***** *****

Brian

Customer: replied 1 month ago.
That is really helpful thank you so much for your help.Fingers crossed
Nigel.

No worries Nigel

If you need further help or technical assistance on this issue going forward

please let me know and I will do my upmost to assist you

If you are satisfied with my answer /advice

PLEASE REMEMBER TO RATE MY ANSWER as this helps to build my online profile

Kind regards ***** ***** and have a nice day

Any positive feedback /bonuses are kindly appreciated

Kindest regards ***** *****

Customer: replied 1 month ago.
Hi not had great success getting to the switch as on have axle stands. And so difficult to access from any direction. As exhaust and other popes in the way. So much for the workshop manual!!!!.Ironically the last two days I have not had a problem!! I did notice the the temperature gauge was going to the middle. Whereas it seemed to get stuck at the low end.I will pay the money plus a tip.
Thanks Nigel.
Hi Nigel no worries that's very kind of youYes it can be even more difficult in the ground with axle stands etc
If you need any advice going forward please let me know and i will do my upmost to assist you
Kindest regards ***** ***** and have a nice evening
Brian
Gallagher99 and other Ford Specialists are ready to help you
Customer: replied 1 month ago.
Hi Brian
Just to let you know that I had the speed sensor fitted but it has not made any difference.
I know that iam on not a mechanic but my gut tells me that a temperature gauge or the ECU has something to do with it.
As it is always ok first thing when car not been used for a while. And the sorts itself out after some time.When the tempeature gauge needle is in cold position or middle of the gauge it is fine just when between white mark and start of the black bit.
I welcome your thoughts
Nigel.

Hi Nigel good evening to you

Ok the speed sensor is A very common cause of this issue

The speed sensor has a pick up ring inside the gearbox (this is where it gets its signal from )

From here it is wired directly to the ecu then using a communication network the signal is sent to the cluster

You will need to have deeper diagnostics carried out to verify if the speed sensor signal is present in the pcm when the fault occurs as it could be thepivk up ring that is slipping inside the gearbox thus giving no speed signal

It would be rare for a pcm to be the cause of this

Kindest regards ***** *****

Brian