Fiat ducato 2019 ,l have been caught out quite a few times now and I'm concerned about the cause.driving on motorway and suddenly the vehicle descelerates.at this point l pulled over on the hard shoulder and turned off the engine only for a couple of minutes,at Which point l started the engine again and all was well.this has happened several times now.the as said l had a faulty battery,which l changed for a new one.on another occasion l was advised to take it for a diagnostic,which proved to be clear.thinking l was over the problem until the other day when same happened again.can anyone help please? Has anyone else had similar issues
Limp mode
- Thread starter bri
- Start date
Something like this .
Autel MS300 Universal OBD2 Scanner Car Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Vehicles Diagnostic Scan Tool https://www.amazon.co.uk/dp/B001LHVOVK/?tag=mhf04-21
Autel MS300 Universal OBD2 Scanner Car Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Vehicles Diagnostic Scan Tool https://www.amazon.co.uk/dp/B001LHVOVK/?tag=mhf04-21
This site contains affiliate links for which MHF may be compensated.
Upvote
1
As it's a Fiat, the first thing I would fit, if it hasn't already got one, is a second engine earth from the chassis to the gearbox.
Subscribers do not see these advertisements
Upvote
0
Kannon Fodda
LIFE MEMBER
- Feb 26, 2019
- 3,048
- 9,395
- Funster No
- 58,768
- MH
- Autotrail V-line 540
- Exp
- I Make Schoolboy Errors!
If you have the comfortmatic (auto) gearbox, limp mode will occur if you go from accelerator to brake to accelerator too quickly, or if you are touching both pedals together.
Upvote
0
That’s to stop the old boys peeing on the floor, and get it in the urinal.Was surprised to see similar in Gents loo at Spoons the other day.
Have time have changed!
Upvote
0
chesterfield hooligan
LIFE MEMBER
Sounds like the egr valve sticking which might or might not show with a obd reader.
Subscribers do not see these advertisements
Upvote
1
Upvote
0
I thought it was to keep my whole body rigidly upright after I'd had a few?That’s to stop the old boys peeing on the floor, and get it in the urinal.
Seem expensive if it only works on one foot!
Upvote
0
Multiecuscan would also be my suggestion
A couple of questions
is it a comformatic
is the exhaust clean or sooty or oily.
www.fiatforum.com
A couple of questions
is it a comformatic
is the exhaust clean or sooty or oily.
What software/ hardware do i need to read OBD2 Codes
This a much bigger question than first appears. If we limit it to what is a cost effective DIY solution to "read my Fiat and simple maintenance issues eg change the oil in my euro 6 or add a new MAF sensor" then the answer for me reduces to...
www.fiatforum.com
Upvote
0
Who mentioned feet?It was never designed to work on your feet!
Subscribers do not see these advertisements
Upvote
0
Do you have the engine management light come on, at the time?
Was it raining or very wet at the time?
It could be as simple as a poor connection, or water getting into the multi-sockets down behind the nearside headlight.
If you have breakdown and it happens again, don't re-start but call out the breakdown company who can read all the standard
an Fiat codes from the OBDll socket. Just clearing it by waiting and then re-starting, you'll never get a resolve.
Was it raining or very wet at the time?
It could be as simple as a poor connection, or water getting into the multi-sockets down behind the nearside headlight.
If you have breakdown and it happens again, don't re-start but call out the breakdown company who can read all the standard
an Fiat codes from the OBDll socket. Just clearing it by waiting and then re-starting, you'll never get a resolve.
Upvote
0
It’s not funny when this happens, so you have my sympathies. I had it happen for the first of 4 times over the spring and summer months on our peaugot boxer (Autocruise) firstly in France having only had the van for 6 months. Whilst it is 10 years old it “only” had 19k on the clock.
When it goes in limp mode you should also get a vehicle warning light come on too - you should make yourself aware what these are. As others have said- get yourself a scanner (a cheap £30 quid job from Amazon will suffice) and teach yourself how to use it (turns out it’s actually quite easy - but when you are stuck in a lay-by using it in earnest for the first time it’s quite nerve racking).
After the first time it happened I took my van to a recommended local garage who specialise in vans etc who scanned it (charged me £100 for doing it
) and declared it ok. But Next trip to Cornwall it went in limp mode again on the way there but this time I had my scanner and was armed with some knowledge how to reset/clear the warning light and limp mode and we continued our journey.
That happened a few more times, but a really great pal of mine in the autumn helped me take of the EGR valve (he suspected that was the issue) and although it only had a very low mileage the valve was gummed it to the hilt with black sticky oil etc. after cleaning it thoroughly and refitting it arms (I hope) to have cured the issue and after a few long drives without it happening again I hope to have found and sorted the problem.
It may not be this on your van - you’ll need to do more research, but my main advice is to get that scanner and see what error messages it is throwing up (take pictures of these if you get that far so you can show the garage when you take it in.
Hope this helps even a little bit ….
When it goes in limp mode you should also get a vehicle warning light come on too - you should make yourself aware what these are. As others have said- get yourself a scanner (a cheap £30 quid job from Amazon will suffice) and teach yourself how to use it (turns out it’s actually quite easy - but when you are stuck in a lay-by using it in earnest for the first time it’s quite nerve racking).
After the first time it happened I took my van to a recommended local garage who specialise in vans etc who scanned it (charged me £100 for doing it
) and declared it ok. But Next trip to Cornwall it went in limp mode again on the way there but this time I had my scanner and was armed with some knowledge how to reset/clear the warning light and limp mode and we continued our journey. That happened a few more times, but a really great pal of mine in the autumn helped me take of the EGR valve (he suspected that was the issue) and although it only had a very low mileage the valve was gummed it to the hilt with black sticky oil etc. after cleaning it thoroughly and refitting it arms (I hope) to have cured the issue and after a few long drives without it happening again I hope to have found and sorted the problem.
It may not be this on your van - you’ll need to do more research, but my main advice is to get that scanner and see what error messages it is throwing up (take pictures of these if you get that far so you can show the garage when you take it in.
Hope this helps even a little bit ….
Upvote
0
kevinbolton260362
Free Member
I had the very same issue happen to me earlier in the year when my mechanic ( a family friend ) had just finished servicing my fiat Rapido motorhome. Just as I was about to drive away i noticed the engine warning light come on. As i pulled away it went into limp mode. It turned out to be small pieces of what looked to be insulation from the pipe to the air filter ( pre engine side ). It must have dropped down into the engine side pipework when my mechanic had taken the air filter off to replace it. The diagnostic fault had indicated the EGR valve but this was ok. We bought a code reader which should help us to reset the fault if need be.
Incidentally, we then travelled to Italy and touch wood the van has been fine.
Incidentally, we then travelled to Italy and touch wood the van has been fine.
Upvote
0
- Apr 13, 2023
- 427
- 337
- Funster No
- 95,219
- MH
- ADRIA MATRIX 600SL
- Exp
- 1st timer since Jan 2023
Was the starter battery going flat on you, or just a recommendation to try a new battery???
Has van got stop start Euro 6 function, if so did you fit the correct battery (AGM) as fitting the wrong specification will cause all sorts of problems, some have to be coded to your ecu to work properly ! The fact it's not storing the fault code tells me it's possibly a bad earth or battery fault.
Take it to a Fiat Professional and they will trace the cause if you cannot find anyone with the technical know how. It will probably save you money in the long run, as trial and error fault finding can be expensive . . .
Upvote
0
RandallC
LIFE MEMBER
- Aug 4, 2012
- 1,302
- 3,593
- Funster No
- 22,267
- MH
- A Class Rapido 8096
- Exp
- 2012, prior too, 17 years Folding Camper & Caravan
On the newer 9 speed auto, if you apply the brakes at the same time you have the accelorator depressed it goes into limp/no acceleration/need to stop. As soon as the vehicle comes to rest all is well.
Found by testing brakes after a bit of a puddle.
So any chance of a dodgy brake switch or a bit of left foot braking?
Found by testing brakes after a bit of a puddle.
So any chance of a dodgy brake switch or a bit of left foot braking?
Subscribers do not see these advertisements
Upvote
0
- Dec 18, 2022
- 114
- 142
- Funster No
- 92,940
- MH
- Autotrail
I have had this happen a couple of times. Weirdly at FP service they thought there had been an intermittent fault but apparently couldn't say any more. My suspicion is dirty fuel could be involved. Right now in Morocco I am using only premium diesel from motorway stations. Must try out the decoder I have stuck in the glovebox.
Upvote
0
Upvote
0
- Apr 6, 2022
- 25
- 44
- Funster No
- 87,913
- MH
- Adria Izola
On our Renault Master we had this happen intermittently and the fault codes were never specific enough to pinpoint the issue. It turned out to be a slightly perished rubber primer bulb which, under load like climbing a hill, would suck air into the fuel line. An old school Renault mechanic in France cut a new bulb into the fuel line and we've not had the problem since.
Upvote
0
Clive G
Free Member
Hi.
I have a 2019 Swift 694 Ducato based. Had the same thing. I realised that I kept pressing the speed limiter, which is on the left of the steering wheel just below the indicator arm. The limiter is positioned to near to the indicator arm.
Clive.
Subscribers do not see these advertisements
Upvote
0
I got one of those and would not read the codes on my 2009 Fiat Ducato. Had to take it to a garage to use a more sophisticated one to sort out the code fault.
Now bought a proper one (MultiScanEcu) for it which runs on a laptop at a reasonable cost of £129.
https://www.gendan.co.uk/multiecuscan.php?msclkid=1a0955645262163c8e4a301b4c2cacff
Upvote
1
Assuming that the correct sort of ODBII tester was used and it didn't show a fault then I'd start by fitting a second earth strap between engine and chassis. Even if it had shown a fault code, you have to be careful with ODBII codes. They might point you in the right direction but not necessarily the right component which can get expensive - so try the cheapest options first.
One possibility that hasn't been mentioned yet is the rheostat on the accelerator pedal. The carbon track cracks and gives intermittent faults including limp mode.
One possibility that hasn't been mentioned yet is the rheostat on the accelerator pedal. The carbon track cracks and gives intermittent faults including limp mode.
Upvote
0
Take the van for a good run. Use plenty of right foot. Pull in and leave the engine running. Open the filler cap with a spare key if necessary and listen carefully. If you hear a rush of air into the tank then you may have fuel starvation caused by a blocked fille cap breather.
Upvote
0
Really? I've been driving automatics for 30 years and have always used left foot braking. So far the Fiat Comfortmatic is the only one where I can't.
The cut-out prevents premature wear of the clutch. I can't think why a slush pump transmission would need that failsafe. My wife's 9 speed Mercedes doesn't have it. Nor does my "variomatic" Honda. Not being able to use my left foot whilst trying to get the van up levelling ramps eventually cost me £5k - fitted self levelling
Upvote
1
Join us or log in to post a reply.
To join in you must be a member of MotorhomeFun
Join MotorhomeFun
Join us, it quick and easy!
Log in
Already a member? Log in here.