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Old 11-12-2019   #1
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500 engine issues .....continued

Can someone shed light on the faults Iíve detected? Iím booked into a fiat dealership on the 19th for a service I just need to know what Iím looking at as Iím still learning Click image for larger version

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Old 11-12-2019   #2
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Re: 500 engine issues .....continued

As a guess I'd say there's been or is a misfire problem on cylinder 2 so possibly coil pack, plug, plug lead, valve, or injection?
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Old 11-12-2019   #3
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Re: 500 engine issues .....continued

Quote Originally Posted by John202020 View Post
As a guess I'd say there's been or is a misfire problem on cylinder 2 so possibly coil pack, plug, plug lead, valve, or injection?
yeah ive been reading a bit on this issue seems to be a common issue.... I cleared old faults yesterday once I figured out how to connect to engine and today I struggled getting up a hill! im booked in with a fiat dealership anyhow... im not trusting back street places anymore!
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Old 11-12-2019   #4
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Re: 500 engine issues .....continued

Quote Originally Posted by Baglady1990 View Post
I’m booked into a fiat dealership on the 19th for a service I just need to know what I’m looking at...
At a guess, I'd say a large bill .

Visiting a franchised dealer with a 9yr old car bought from outside the franchise might be an expensive exercise.

You'd do better going to your local equivalent of somewhere like this.
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Last edited by jrkitching; 11-12-2019 at 17:37.
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Old 11-12-2019   #5
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Re: 500 engine issues .....continued

Quote Originally Posted by jrkitching View Post
At a guess, I'd say a large bill .

Visiting a franchised dealer with a 9yr old car bought from outside the franchise might be an expensive exercise.

You'd do better going to your local equivalent of somewhere like this.


where are the cylinders in the engine? im having a hard time finding out online?
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Old 11-12-2019   #6
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Re: 500 engine issues .....continued

Basically within the block, the plugs are rear facing under the air box at the rear not a easy position to change but still ok
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Old 11-12-2019   #7
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Re: 500 engine issues .....continued

Quote Originally Posted by Baglady1990 View Post
where are the cylinders in the engine? im having a hard time finding out online?
Here's a picture of a 500 cylinder block (actually a 1.4, but the 1.2 is similar).

The cylinders are the four large bores in the middle, you can also see the slotted passages through which the coolant circulates.

The head gasket sits on top of this, providing a seal between the cylinder block and the cylinder head.

To see inside the cylinders without dismantling the engine, you need a borescope, which is like an endoscope for engines. It's fed in through the spark plug holes (after removing the spark plugs). You can also do a compression test on the cylinders, which involves screwing a pressure gauge into the spark plug holes,cranking the engine, and seeing what pressure it makes. Both methods can tell you a lot about the engine's condition without dismantling, and can help work out whether your head gasket is still sound. The dealer may do one or both of these tests if an internal engine problem is suspected.

I hope this helps you understand what's going on; you've already had more than enough problems with this car, without needing any more.
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Last edited by jrkitching; 11-12-2019 at 18:48.
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Old 11-12-2019   #8
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Re: 500 engine issues .....continued

Quote Originally Posted by jrkitching View Post
Here's a picture of a 500 cylinder block (actually a 1.4, but the 1.2 is similar).

The cylinders are the four large bores in the middle, you can also see the slotted passages through which the coolant circulates.

The head gasket sits on top of this, providing a seal between the cylinder block and the cylinder head.


I thought it was this Click image for larger version

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ID:	204981 haha how far down do I have to go?
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Old 11-12-2019   #9
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Re: 500 engine issues .....continued

Quote Originally Posted by Baglady1990 View Post
I thought it was this Attachment 204981 haha how far down do I have to go?
do I need to go get a new coil pack + leads? cause I can do that tom myself!
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Old 11-12-2019   #10
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Re: 500 engine issues .....continued

Quote Originally Posted by jrkitching View Post
Here's a picture of a 500 cylinder block (actually a 1.4, but the 1.2 is similar).

The cylinders are the four large bores in the middle, you can also see the slotted passages through which the coolant circulates.

The head gasket sits on top of this, providing a seal between the cylinder block and the cylinder head.

To see inside the cylinders without dismantling the engine, you need a borescope, which is like an endoscope for engines. It's fed in through the spark plug holes (after removing the spark plugs). You can also do a compression test on the cylinders, which involves screwing a pressure gauge into the spark plug holes,cranking the engine, and seeing what pressure it makes. Both methods can tell you a lot about the engine's condition without dismantling, and can help work out whether your head gasket is still sound. The dealer may do one or both of these tests if an internal engine problem is suspected.

I hope this helps you understand what's going on; you've already had more than enough problems with this car, without needing any more.


Yeah I have almost had enough!! But tomorrow is another day..... the mechanic who the dealership use broke my new air box too!! Noticed today when I came to remove it..... back bracket broken right off!! It cost me 70£ on eBay too ... hay ho ...... on I go!!
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Old 11-12-2019   #11
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Re: 500 engine issues .....continued

Itís certainly worth trying coil pack and leads.at least it will rule them out. If itís not you can get your money back on eBay by selling them on. You are getting more competent as time goes on and changing the coil pack is easy.
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Old 11-12-2019   #12
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Re: 500 engine issues .....continued

Quote Originally Posted by typecastboy View Post
Itís certainly worth trying coil pack and leads.at least it will rule them out. If itís not you can get your money back on eBay by selling them on. You are getting more competent as time goes on and changing the coil pack is easy.
that's cause I actually enjoy it yeah off to euro car parts tom then ill be under the bonnet all afternoon! my guess is the coil pack but who knows..... ive been out and had a look it seems pretty straight forward.... watch this space
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Old 11-12-2019   #13
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Re: 500 engine issues .....continued

Try plugs(Iridium) and leads first, coil pack connections then other possible things?
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Old 11-12-2019   #14
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Re: 500 engine issues .....continued

Quote Originally Posted by John202020 View Post
Try plugs(Iridium) and leads first, coil pack connections then other possible things?


Plugs (iridium) are new Iíve checked leads & connections.... Iím gonna change coil pack tomorrow hopefully that sorts it.....
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Old 12-12-2019   #15
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Re: 500 engine issues .....continued

Jobs a good un!! Took me 15 mins .... no rough idling car feels better already! Went for a long drive no error codes ....... obviously Iíll keep my eye on it
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