Hi guys

I'm looking for a bit of advice, if anyone could please help it would be much appriciated.

So I'm having a few issues with my Fiat Qubo (61 Reg). First of all it takes forever to start (sometimes over a minute of cranking is needed) I've started using easy start and it starts withing 15 seconds with this.

I sent it to my mechanic who informed me that there were error codes for air mass sensor, fuel pressure sensor and oil pressure sensor - all of which were changed but to no avail. He has concluded that something is sending the 3 of these a faulty signal but is not too sure what and thinks it could be the ECU. He also found a fault code for the pressure sensor on the injectors which he thinks is connected.

Sometimes it can drive fine but a little sluggish other times it will cut out and will not restart even with easy start, but will usually restart the next day.

Thank you in advance for any advice given, I know its a big ask to diagnose the fault with such little info but if someone could point me in the right direction i would be so grateful.

Adam

Don't trust any error codes after a period of sluggish starts, especially after using easy start which will cause more damage, Clear the codes then use any self test function in Multiecuscan or similar, before next crank.

Easy start should only be used on simple non electronic engines and even then only to get out of a desert somewhere sh@t or bust.
Given what you have said simple faults would include fuel starving (tank pump check, fuel filter changes, water in line, correct fuel in tank (did someone top up with petrol). Then enough crank power (battery and earths). Glow plugs, though not so much in summer however lean start electronics will be tuned to expect a good pre heat. Then air (wet or clogged filters), then wiring connects (thoroughly check wiring terminals on sensors etc, a code scanner like Multiecuscan would help here). Wiring issues tend to be common across a model, the Ducato has loads, not read of many on the Qubo, though have a scan of the forum for rear light cluster issue.

Andy thank you so much for your detailed responce, I will relay this info back to the chap who is working on it. Cheers ?

According to my mechanic the faults were diagnosed via live data

No worries, though your case reminds me that garages should charge only for the last piece of work done that solves a problem, or at least on a sliding scale... So if 3 sensors changed till the fix, no charge for the first, maybe half for the second... And then only for the cost of the part. We should note a sudden increase in quality of work done and fewer chancers out there....

Those three item are a doddle to change within an hour!
seems like an easy money maker changing these items, they should have put your old ones back on as clearly the new ones did not solve the issue
LUIGI

Hi! Did you get to the bottom of the problem? My 12’ plate Qubo has identical problem!

Kirkymagnum said:

Hi! Did you get to the bottom of the problem? My 12’ plate Qubo has identical problem!

Click to expand...

Hi

1248cc multijet?

Tell us about your time with the vehicle

Miles - use it gets..

any work done?

Who changes the oil.. (important..)

Etc.. it all helps

Charlie

varesecrazy said:

Hi

1248cc multijet?

Tell us about your time with the vehicle

Miles - use it gets..

any work done?

Who changes the oil.. (important..)

Etc.. it all helps

Charlie

Click to expand...

Hi! 1.3 Multijet with 76000 on clock, have owned the vehicle since last June & for the first couple of months was fine. The start/stop wasn’t working, but a new battery specific to the model sorted problem. Had vehicle serviced at an independent garage, oil, fuel & air filters all changed as per manufacturers specs. Everything working fine on vehicle....bar the starting issue! First thing in morning, won’t start however many times cranked. Short squirt of easystart & fires immediately. Also once started, continues to restart through the day without any issues!. But then, the next morning, back to square one!. Have replaced the high pressure fuel pump, and the fuel is not running back as first though as present at pump in morning!����

May or may not be relevant but...
Had a similar set of problems on a Panda Multijet. Car had been serviced properly and normally ran just fine.
Found 3 problems
1. Starter was failing
2. Earth lead was failing
3. Split in turbo pipe

1 & 2 caused the bad starting, as the engine did not turn quite fast enough on the starter. Earth lead improved it, but starter motor cured it.
3 was just coincidental, but found it when sorting the earth lead. (Starter swap on MJ Panda not fun!)

It didn't sound "wrong" when the starter was failing, but compared to a properly working Panda it was obviously slower.

Threw lots of random errors as the motor was pulling too much current during startup.

Owner had already had new MAF and other sensors. And battery.

Strangely, sometimes the problem just disappeared for a couple of days.

irc said:

May or may not be relevant but...
Had a similar set of problems on a Panda Multijet. Car had been serviced properly and normally ran just fine.
Found 3 problems
1. Starter was failing
2. Earth lead was failing
3. Split in turbo pipe

1 & 2 caused the bad starting, as the engine did not turn quite fast enough on the starter. Earth lead improved it, but starter motor cured it.
3 was just coincidental, but found it when sorting the earth lead. (Starter swap on MJ Panda not fun!)

It didn't sound "wrong" when the starter was failing, but compared to a properly working Panda it was obviously slower.

Threw lots of random errors as the motor was pulling too much current during startup.

Owner had already had new MAF and other sensors. And battery.

Strangely, sometimes the problem just disappeared for a couple of days.

Click to expand...

Thanks for reply!, will look into the starter motor & earth lead fix.

Kirky..

You dont say if you do the miles to keep the DPF happy..

Dpf needs specialist kit to reset ECU parameters after oil changes..
there is a fair chance your indy garage hasnt reset them properly
( common problem on this forum)

Charlie

varesecrazy said:

Kirky..

You dont say if you do the miles to keep the DPF happy..

Dpf needs specialist kit to reset ECU parameters after oil changes..
there is a fair chance your indy garage hasnt reset them properly
( common problem on this forum)

Charlie

Click to expand...

Many Thanks for the info! Is this only possible at main dealer as mine in Norwich is £108 an hour!

Kirkymagnum said:

Many Thanks for the info! Is this only possible at main dealer as mine in Norwich is £108 an hour!������

Click to expand...

No

Many on here have their own kit

But its a regular feature on here where
Garages charge for the job.. but dont have the kit to do the resetting properly

MultiECUScan is the kit we use

Do ask the garage what they have used to reset the
Oil Degradation Counter

Charlie

varesecrazy said:

No

Many on here have their own kit

But its a regular feature on here where
Garages charge for the job.. but dont have the kit to do the resetting properly

MultiECUScan is the kit we use

Do ask the garage what they have used to reset the
Oil Degradation Counter

Charlie

Click to expand...

Thanks Charlie! Is this an Amazon order?

Kirkymagnum said:

Thanks Charlie! Is this an Amazon order?

Click to expand...

https://www.google.com/url?sa=t&sou...FjAAegQIBRAC&usg=AOvVaw01O21_ufu3cim0e8mmheGA


Nope this it the official page





The software is only £50 but then you need a elm 327 adapter and adapter cables if you need to connect to and airbag nodules ect


Finally a Windows based laptop that many people allready have