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Old 1 Week Ago   #16
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Hello everyone,

So I have been to the fiat garage and good news! They carried out an investigation into the EML and found codes for cylinder 2 and 3 misfire. They carried out an investigation of the engine compondents and were unable to fault.

They looked into the ECU software on the car which hadn't been updated. They carried out this update and new software avaliable for the ECU. They then test drove the car for 31 miles and no lights (stop/start, warning light and engine light) !!! The diagnostic test cost 114 which has saved me 1000 from the other garage who wanted to look into the piston and dismantle the engine. Always get a second opinion on these things.

I have driven the car at 70mph, on a few long journeys and I haven't had lights since!

Thank you all for your help
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Old 1 Week Ago   #17
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Re: HELP stop and start unavailable/warning light/engine light

Good news!

Mind you, what happened regarding the compression differences?

Mick.
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Old 1 Week Ago   #18
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Re: HELP stop and start unavailable/warning light/engine light

Fiat inspected all the compondents to spark plugs/cause of misfire and said that it isn't an issue with the engine. They didn't mention to me the results of their compression test but when I conducted that test myself the results were normal (I checked them over 3/4 times). Like G8rpi said if it was an issue with the piston it would lead to a permanent low compression.

So I don't know how the garage could of come to that estimation! I believe they were simply looking at alternative options of what it could be.
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Old 1 Week Ago   #19
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Re: HELP stop and start unavailable/warning light/engine light

Quote Originally Posted by maybest1 View Post
.....They looked into the ECU software on the car which hadn't been updated. They carried out this update and new software avaliable for the ECU. They then test drove the car for 31 miles and no lights (stop/start, warning light and engine light) !!! The diagnostic test cost 114 which has saved me 1000 from the other garage who wanted to look into the piston and dismantle the engine. Always get a second opinion on these things.......
Well I'm very chuffed for you!

Many won't agree, but I'm happy to extol the virtues of dealership diagnostics when problems appear to persist and seemingly endless looking and prodding fails to sort the issues. I've known owners prat around for weeks or months, doggedly refusing to nip to the Fiat dealership and fork out for a diagnostic test/update and yet will spend quite literally hundreds of 's getting other people who've no idea what they're doing, trying to diagnose a problem.

When we had our 1.2 POP, I received a card from our not quite so local Fiat dealer, offering a free no strings attached diagnostic test. I drove the 25 miles there, walked into town and returned an hour later for them to tell me they'd flashed the ECU to the latest update and furthermore, 'discovered' that the electric steering control unit was apparently 'faulty'. They couldn't benefit from me personally for fixing it as the car was still under Fiat warranty.

The point I'm trying to get across is, if you are a new or recent owner to a 500 and it hasn't seen the rump end of a dealership for 3 or 4 years, it might be worth just forking out for diagnostic test if you intend keeping the car for a while. There's often a reason why manufacturers issue ECU software updates, usually to solve problems reported by owners. A couple of years ago, I took my Saab 9-3 to a former Saab garage who at my request, carried out a diagnostic test and my vehicle ECU received a whole raft of updates. I have to admit, it ran better afterward! Cost me 100. Sadly though, lots of cars once out of warranty, never see a dealership again, understandable though considering how much some of them charge.
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Old 1 Week Ago   #20
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Re: HELP stop and start unavailable/warning light/engine light

Mine does similar but only after staying in 5th at 70 for a while - happens so rarely. Might need to run mine through to a dealership sometime or get a diagnostics done on it.

Thanks for posting this and keeping us all updated with your progress!
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