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Old 23-01-2017   #16
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Sorry, It is just a cheap eBay special code reader that I have used. Would it be easier to diagnose the fault if I could get MES/FES? Never used the software so have no experience of how good it is?

I am going to try and replace the sensor on the intake pipe first for a genuine part, see if that makes a difference.

Seems like the cheapest next step, so makes sense to try that first!

Thanks
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Old 23-01-2017   #17
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Quote Originally Posted by Stemh View Post
Sorry, It is just a cheap eBay special code reader that I have used. Would it be easier to diagnose the fault if I could get MES/FES? Never used the software so have no experience of how good it is?

I am going to try and replace the sensor on the intake pipe first for a genuine part, see if that makes a difference.

Seems like the cheapest next step, so makes sense to try that first!

Thanks
Yes MES is the best software to diagnose our cars.
I have a wifi LM adaptor and it works great with my windows laptop+mes and iphone (eobd-facile app)
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Old 23-01-2017   #18
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Error codes could be misleading, depending on what test tools is used, I recently replaced my MAP sensor (as suggested by MES) without any improvment in the symptoms (lack of power), it turned out finally to be the vacuum pipe coming from the vac reservoir being broken.
ECU are very clever but not so "talkative" and we still have to use our brain to narrow-down the problems we can face, experience (of others ?) here is the best helper...

Regards, Bernie
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Old 23-01-2017   #19
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

I do have a EOBD-Facile and a wifi obd connector. What sort of figures should I be looking out for?

Experience counts for more than cheap code readers any day!

Thanks a lot
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Old 23-01-2017   #20
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Quote Originally Posted by Stemh View Post
I do have a EOBD-Facile and a wifi obd connector. What sort of figures should I be looking out for?

Experience counts for more than cheap code readers any day!

Thanks a lot
Post all the values as screenshots so we can check everything.

Quote Originally Posted by Bernievarian View Post
Error codes could be misleading, depending on what test tools is used, I recently replaced my MAP sensor (as suggested by MES) without any improvment in the symptoms (lack of power), it turned out finally to be the vacuum pipe coming from the vac reservoir being broken.
ECU are very clever but not so "talkative" and we still have to use our brain to narrow-down the problems we can face, experience (of others ?) here is the best helper...

Regards, Bernie
That's why I never trust error codes.
I always analyze data from all the sensors and of course visualy inspect the parts.

But on the other side I'm not going to spend time to find the cause of an ELM when I see an after-market sensor right? Especially a pressure sensor like Stemh's. It's one very crucial part... and we all know that these sensors from China are bs.
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Old 23-01-2017   #21
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I have a feeling my code reader isn't showing everything you need. I have only been able to screenshot it from cold startup at idle. I will run the car up to temp tomorrow.

These are all the screenshots I could get today, don't know if they tell anything or not. Plus a pic of the unbranded sensor!

Thanks
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Old 23-01-2017   #22
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Quote Originally Posted by Bernievarian View Post
I recently replaced my MAP sensor (as suggested by MES)
MES (or any diagnostic software) never suggests you replace a component.
.
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Old 24-01-2017   #23
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Quote Originally Posted by Stemh View Post
I have a feeling my code reader isn't showing everything you need. I have only been able to screenshot it from cold startup at idle. I will run the car up to temp tomorrow.

These are all the screenshots I could get today, don't know if they tell anything or not. Plus a pic of the unbranded sensor!

Thanks
Yes it's missing barometric pressure and boost pressure, MES is a must then...

btw wow this sensor is from Italy
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Old 24-01-2017   #24
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Quote Originally Posted by cmosfxx View Post
btw wow this sensor is from Italy
With no manufacturer's logo on it, more likely that "Made in Italy" was put on it by a Chinese manufacturer.
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Old 24-01-2017   #25
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

That's what I thought, no stickers or branding on it at all.

Looks like il have to get hold of MES then. Might just replace that sensor anyway just to see if it helps!

Thanks for all your help, be glad to get it running right again!!
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Old 02-02-2017   #26
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Hi, managed to get a copy of MES.

Took these screen shots today, hope I've got the ones needed to diagnose my problem!

Thanks for any help.
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Old 02-02-2017   #27
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Fault code screen shot
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Old 02-02-2017   #28
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Am I right in thinking the boost pressure shouldn't be showing so high on idle? Around 12psi?

When I drove the car, and put my foot down, the boost peaked at about 25/26psi, but boost gauge only shows 13-15psi.

Is this a faulty sensor?

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Old 03-02-2017   #29
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

I'd put my hand in the stove !
Just checked MES curves I took a while ago on my 1.3MJT, at idling the turbo pressure is 980mBar ('bout 12,2 psi) and at full throttle is goes to 2.239 mBar (28 psi).
Seems like you have a bad MAP sensor...

Regards, Bernie
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Old 03-02-2017   #30
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Re: Grande Punto 1.4 T Jet problems! p2227 fault code

Before I go replacing the wrong sensor again, is the map sensor the one on the inlet manifold at the back, or the one on the plastic inlet pipe near the battery?

Thanks again!
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