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Old 4 Weeks Ago   #1
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Fiat QUBO starting and driving issues

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
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Old 4 Weeks Ago   #2
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Re: Fiat QUBO starting and driving issues

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.
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Old 4 Weeks Ago   #3
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Re: Fiat QUBO starting and driving issues

Andy thank you so much for your detailed responce, I will relay this info back to the chap who is working on it. Cheers 👍
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Old 4 Weeks Ago   #4
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Re: Fiat QUBO starting and driving issues

According to my mechanic the faults were diagnosed via live data
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Old 4 Weeks Ago   #5
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Re: Fiat QUBO starting and driving issues

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....
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Old 4 Weeks Ago   #6
''LUIGI''
 
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Re: Fiat QUBO starting and driving issues

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
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