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Technical Fiat 500 engine light & diagnostics

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Technical Fiat 500 engine light & diagnostics

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Danoid

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Joined
Apr 14, 2021
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Hello,

Had a call from the wife during or after a gear change the car felt sluggish then the check engine light came on, stopped the car, turned it off and all is well apart from the engine light is still on.

I’m guessing at a minimum either leads or coil pack, but that’s guessing which brings me into my next question.

If I download multiecu which is free I believe what cables do I need?

I saw these but not sure if overkill as there’s more than 1 cable https://m.gendan.co.uk/product_FESCBL.html

Will these do or are there better ones to get?

Thanks
 
Edit, it lost power then picked up again, so something obviously intermittent but scanning is the way to go
 
Edit again, those cables don’t have a usb end, so no idea what I need.

Why is fiat stuff so awkward :D
 
I’ve been watching videos and can see people who have the coloured cables but plug in a different cable “elm?” then load up multiecu and never actually use the coloured cables, so I’m very lost are they not actually needed?
 
Hi, so what does the yellow cable do? If I can just buy an elm adapter that’ll do nicely
 
You can run Multiecuscan without leads in a simulation mode to see what leads are needed and get a feel for the software. from memory you only need the ELM lead and yellow adaptor to scan all fiat 500 ECU's pre 2017.
 
Danoid said:
Hello,

Had a call from the wife during or after a gear change the car felt sluggish then the check engine light came on, stopped the car, turned it off and all is well apart from the engine light is still on.

I’m guessing at a minimum either leads or coil pack, but that’s guessing which brings me into my next question.

If I download multiecu which is free I believe what cables do I need?

I saw these but not sure if overkill as there’s more than 1 cable https://m.gendan.co.uk/product_FESCBL.html

Will these do or are there better ones to get?

Thanks
Click to expand...
What year is the car? Is it a 1.2 engine? The multiecuscan you need is the registered version direct from the multiecuscan website
As for the cables … the yellow adapter is for body computer ect but no adapter needed to read engine codes just the elm cable itself..

Check engine earth strap condition … gearbox to chassis it’s under the battery tray
 
It’s for a 1.2 2009, I bought a edasion one from Amazon which is arriving tomorrow, I’ll let you know how it goes

I thought the free version of multiecuscan would cover my needs of scanning and clearing?

Last year I lubed the clutch slave cylinder and had a look at the earth strap whilst I was there and it appeared to be in good condition so not sure it’s that or sparks which I changed last year too
 
Danoid said:
It’s for a 1.2 2009, I bought a edasion one from Amazon which is arriving tomorrow, I’ll let you know how it goes

I thought the free version of multiecuscan would cover my needs of scanning and clearing?
Click to expand...
Not sure as I’ve never used the free version but I do know it’s limited in capabilities
Definitely check that engine earth strap to see it it’s the original.. on an 09 car I’d expect corrosion
 
okay so the reader I bought doesn’t work, it’s a Bluetooth one and I can connect to it and that’s it.

Can you tell me what readers you are using?

Thanks
 
This post contains affiliate links which may earn a commission at no additional cost to you.
Baglady1990 said:
www.ebay.co.uk

NEW Fiat Alfa ELM OBD2 Green Red Yellow cables adapters Diagnostics Multiecuscan | eBay

Green Adapter Lead (Multiecuscan Adaptor 1) = Engine, ABS, Power Steering. Red Adapter Lead (Multiecuscan Adaptor 2) = Airbag. Yellow Adapter Lead (Multiecuscan Adaptor 3) = CAN. 3 x Adapter Cables 1 x Modified ELM OBD2 USB Diagnostic Lead.
www.ebay.co.uk
Click to expand...
I bought this yesterday which arrived today and as rubbish Amazon product ASIN B07CP632CL as nothing seemed to work.

That link you provided up there, is that one you've used? I forgot how bad some of these sellers can be selling odb stuff with no way of downloading software/drivers and thats the mistake I made today :(

If that one you posted works, then i'll grab that :D
 
This post contains affiliate links which may earn a commission at no additional cost to you.
Danoid said:
I bought this yesterday which arrived today and as rubbish Amazon product ASIN B07CP632CL as nothing seemed to work.

That link you provided up there, is that one you've used? I forgot how bad some of these sellers can be selling odb stuff with no way of downloading software/drivers and thats the mistake I made today :(

If that one you posted works, then i'll grab that :D
Click to expand...
The one you bought is a Bluetooth & they are notorious for not working! The link I posted is a set of cables (no Bluetooth) you use them via your laptop with the multiecuscan software
 
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