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Missfiring & warning light; Missfiring IVECO 52 plate
Topic Started: Jun 6 2013, 07:31 PM (2,790 Views)
cazzybean
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Hi
I have a 52 plate IVECO Daily. I can travel for about a mile or two and then I get the fast flashing warning light that looks like a spark plug with spray and the van starts missfiring and looses power. Any ideas?
Caroline
Pressuming the light is injector light.
Forgot to say, it's a 2.8 L9
Edited by cazzybean, Jun 6 2013, 07:51 PM.
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GARAGE & TRANSPORT SUPPLIES
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Hi Caroline, You would probably be best getting it plugged into a diagnostic machine to get the fault code read as there are many faults that could cause these symptoms.
Sorry I can't offer more help.
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cieranc
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Have you noticed, or can you check:

Does the Injector light start flashing when the engine is:
A, under load (accelerating up a hill) or
B, when you back off the accelerator ?

If you put the clutch in and let the revs come down to idle for a couple of seconds, does the injector light go out and the power comes back?

If you pull the panel off the passenger side, where the fuse box is, can you see an orange light with a button next to it, marked 'Test' or 'diagnostic' ?

Edited by cieranc, Jun 7 2013, 12:11 AM.
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cazzybean
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It is booked in at my local garage on Tuesday but I'm not sure if the have a diagnostics kit.

As for the injector light flashing, there doesn't seem to be a pattern other than around a mile travelled and then it comes on. When it first started it came on along a long flat roman road. It has also come on about 1/2 mile after a hill and a couple of hundred yards before a hill on a flat. The van isn't loaded. It literally only has a bed in the back made out of a futon base plus matress. (its my daily vehicle and when I break up I throw camping stuff in it and travel/go to festivals)

I will try the clutch trick on the way home tonight and see what happens.

Some things we have already tried:
Tightening the fuel filter, it had probably vibrated loose a little but OK now.
Tightened the far back right had nuts on the injectors, again a little loose but tight now

also - When I start the van I get the oil can with wavy line underneath come on. It goes off a few hundred yards down the road. Oil level good. We suspect an oil and filter change may cure this. Are we way out on our thinking there?

Thanks for info guys. :)
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Troglodyte
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Have you tried wriggling the wires onto the injector ( usually no 4 ) see if it misses and picks up again when wiggled if so its the plug connectors / pins that are at fault
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cazzybean
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Does the crank sensor sound likely?

I'm never buying another IVECO again, EVER!! Only had it 3 months and it's pernamently throwing up warning lights and faults. I miss my tranny van!! Grrrrr...........
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cazzybean
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cieranc
Jun 7 2013, 12:09 AM
Have you noticed, or can you check:

Does the Injector light start flashing when the engine is:
A, under load (accelerating up a hill) or
B, when you back off the accelerator ?
No, it starts flashing in all road conditions in about a mile or two on flat roads and hills.

If you put the clutch in and let the revs come down to idle for a couple of seconds, does the injector light go out and the power comes back?
No, it stayed on

If you pull the panel off the passenger side, where the fuse box is, can you see an orange light with a button next to it, marked 'Test' or 'diagnostic' ?
Haven't got the right tool to take the panel off so I'll have to let the garage look.


Edited by cazzybean, Jun 7 2013, 06:18 PM.
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Bazil-S
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Hi,

It is possible that a connector from one injector to make weak contact. Remove the connectors and squeeze the connector pins, or twist a little bit the injectors pins.
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Troglodyte
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Doesn't sound like a crank sensor fault as this would give you poor starting from cold , give the injector loom wires a wiggle with it running and see if the misfire comes and goes
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cazzybean
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Ok, update. As I have no spare time at the mo I asked the garage to do fuel filter changes, oil filter and oil change as well as replace worn brake pads and then see if it was still misfiring. It was so he came back with a diagnosis of sticking injector valve. As my van is low mileage he assumed it was down ho needing a service as the filters were in desperate need of changing so put some engine/jet cleaner stuff in. He said it stopped the misfiring and asked me to take it away and see how it runs. If that doesn't sort it then it means stripping down the injectors etc. I drove it about 2 mile and then it started loosing power, even more than before, this time doing a max of 35mph. To say I'm fooked off is an understatement! I'm also £240 lighter for the experience. Grrrrr....
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Troglodyte
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I take it you have not tried the injector loom wiggle , a sticking injector would more than likely cut the engine as you would loose the pressure in the rail
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cieranc
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Troglodyte
Jun 11 2013, 08:31 PM
a sticking injector would more than likely cut the engine as you would loose the pressure in the rail
An injector sticking open, yes. But what if it was sticking shut ?
Or perhaps the injector's sticking shut because it's not getting a good signal ;)

You can lead a horse to water .. .. .. .. ..






Actually, we've had a gen3 2.8 with a stuck open injector, the engine did still run, albeit with a massive cloud of grey smoke. Remember, the HP pump will only use 1 tenth of the fuel delivered to it, the other 9 tenths are returned to the tank.
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cazzybean
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It's back in again tomorrow eve ready for Friday morning.
Whilst messing and trying whatever I am capable of (which is sweet FA as the last time I tinkered with a car it was air cooled and had the engine at the back), I have noticed the following:
After misfiring and I get to my destination, I switch off the engine and the injector light continues flashing fast for about 10 seconds. However, if I depress the clutch before the light goes out.
Also, what does the 'oil can with a wiggly line under' light mean? That comes on when I first start the vehicle and goes out about 500 yrds down the road, never to come on again until I switch off the engine and re-start it.
Is it related to the misfiring and injector light?????
I am so getting rid of this van once its repaired and the word I V E C O shall never be muttered AGAIN!!!!

Tired! Meant to say 'After misfiring and I get to my destination, I switch off the engine and the injector light continues flashing fast for about 10 seconds. However, if I depress the clutch before, the light then goes out.

I gave all the advice given to the garage so I presume they wiggled wires.
Edited by cazzybean, Jun 12 2013, 04:56 PM.
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