Ok I have a fault that I need some help with please.

It is a 2011 Fiat Ducato 2.3 150bhp. When accelerating with the engine under load in any gear and any speeds the engine seems to cut out and back in again. This throws up a light to say that the hill control assist and esp are not functioning.

It was throwing an EML light also which came back with a code P0089, since replacing the fuel filter it no longer illuminates the EML and therefore no further codes are stored.

Has anyone experienced anything like this at all?

The next installment!

I have installed some Fiat specific software to scan the ECU and it has come up with a code of U1701. I cleared this and recreated the fault and the same code re-appeared, so this is definitely linked to my problem.

I have checked the ABS pump / module / connector and all seems good to the untrained eye and there it no corrosion in the connector.

I am still at a loss as to why this could be causing the engine to cut out.

Anyone have any experience of this code?

Stevo101 said:

Ok I have a fault that I need some help with please.

It is a 2011 Fiat Ducato 2.3 150bhp. When accelerating with the engine under load in any gear and any speeds the engine seems to cut out and back in again. This throws up a light to say that the hill control assist and esp are not functioning.

It was throwing an EML light also which came back with a code P0089, since replacing the fuel filter it no longer illuminates the EML and therefore no further codes are stored.

Has anyone experienced anything like this at all?

Click to expand...

P0089 is to be expected with a blocked filter. The ECU modulates the pwm signal to the regulator to maintain requested pressure, with fuel starvation due to blocked filter the duty cycle required to maintain requested pressure increases, eventually this falls outside the expected range and the ecu throws that error code.

If you're getting esp errors under then I would look for water ingress in the loom, abs, ecu connectors.

Thanks for the reply.

I have changed the fuel filter and the P0089 code has dropped from my list which is great.

I have just checked the ABS module and all looks good there to be honest.

I am yet to find the ECU, if you know where I should be looking that would be a great help....

Do you think that the water ingress could cause the power to cut out?

Any ideas on a code U1701 anyone??

hi i have the same problem have you been able to fix and how if done so thanks

Hi Barrya.

No I have not as yet.

So far I have done the following:

Replaced the earth strap.
Airbox checked and all clear.
Fuel filter changed as it had a slight weep from the bottom anyway.
ABS ECU connector plug checked and all clean.
Fuse board connections all good and clean.
Scanned on snap on equipment and no fault codes shown.

I did some scanning whilst the vehicle was being driven last night to see if I could see anything on the monitors.

Sadly nothing conclusive.

On one of the occasions the speed is showing as dropping to zero on the computer not the dash and straight back up again. Which is odd as this is the only graph that showed this once.

Because of this I am thinking it is electrical system more then anything else.

This weekend hopefully it will be dry and I will be peeling the loom apart to see if the wiring looks ok and I will be using contact cleaner on all connections I can find to see if that resolves the problem.

Did you want to describe your problem and what you have done so we can work together?

hi steve gladto work with you and also mechanics here in aus they have tested all the electrics baut have not come up with anything as yet the wnated to know if you hace an automatic or manual to rule out any problems there they are also talking to fiat italy so anything you have done i will pass on and vic versa thanks

Hi Barrya.

Good to hear from you. I see you saw the other post that went on recently also. So now thats three of us that have this problem!

I have another post running on a camper site here:

http://forums.outandaboutlive.co.uk...s/Fiat-Ducato-X250-engine-cutting-out-/41688/

Lets hope we can get to the bottom of this.

I have been having bit of a mare with this one tonight, trying to use the software mainly. I have established that this happens more regularly on an up hill incline.

Here are a couple of graphs which ,fuel, turbo, air etc being monitored. One thing I have noticed is that the signal from the gas pedal is the first thing to drop followed by anything else.





I also took a couple of snap shots from a phone app and tickover.

Unfortunately u1701 is a communication error on the can bus, it can be very card to trace these kind of errors. Try measuring the resistance on pins 6 and 14 on the obd connector with the ignition off, should be around 60 ohms.

Not good news then.

Sorry to sound like a doofus. Do you mean to check the resistance between 6 & 14. So one probe on 6 and the other on 14?

Can you confirm how the OBD is numbered?

Thanks for the suggestion.

61.3 ohms on 6 & 14, if you say it should be around 60 then that would be about right me thinks!

Check the crank position sensor and the wiring to it anything more than one ohmn resistance in the wiring is suspect the wire could be breaking under the insulation , the sensor is located next to the oil filter on the 2.3 and it and the wiring harness can get knocked easily through maintenance , I had a similar problem no codes intermittent issues finished up replacing the engine wiring harness Cheers Adam

Thanks. May have to take it somewhere and stick it over the inspection pit to get a good look at that one.

Thank you.

hi stevo my mechs want to know if you are man or auto as this may rule out some possibilities thanks

Hi mate. It's a manual box.

hi steve can you tell me whether you are auto or man might eliminate some faults thanks

barrya said:

hi steve can you tell me whether you are auto or man might eliminate some faults thanks

Click to expand...

Hi Barrya. Does my previous post not show up? It's a Manila box.

How are they getting on? Any developments?

Looking at the EGR graph it seems a little strange.

The minimum opening is 128% and the maximum is 155% how can this be right?