Does the key symbol show on the dash?

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Why are you replacing spark plugs?

Is there a spark at all the plugs?

Do you have fuel, the correct fuel?

Is the fuel pump turning before you engage ignition to prime the system?

Are there any obvious issues looking at the engine bay, loose terminal, pipes etc?

 

Thanks for reply. Fuel pump sounds when turning key. So engine is getting fuel. Spark plugs wet from trying to start. So suggested to replace. Still didnt start.

Car has plenty of fuel... more than 3/4 full.

nothing obvious when looking at engine bay. checked terminal, leads and pipes etc. nothing disconnected or problematic.

dont have the codes ... but will get them. according to the mechanic, they are random and some point to steering angle errors others to spark. no luck with clearing and resetting.

Any idea how to fix immobilizer system ? the key buttons arms and disarms alarm ok.

 

From the description it kinda seems like something is wrong with the imobiliser system.

 

First port of call is scan it for codessee if it has any logged that point you in right direction

 

Could be old codes to, better to clear them all and then try to start the car.
After that read it out again.

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What are the codes?

 

Have you tried the starter relay? It went on mine and i replaced it for a new one and it started first time.

 

OP reports engine turns over so unlikely the starter relay has failed.

 

Disconnect the battery for a while , that’s how you reset some cars systems.

 

Weak battery?

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Try draining all your fuel. Might be contaminated.

 

Crank sensor or is that just on diesel?

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Mass cable from the battery to the chassis checked?

 

We are having what I believe may be a similar issue with our 2015 Giulietta TCT 1.4 petrol.

We took it out for a good drive yesterday afternoon with no issues at all, but it wouldn't start to get into work this morning. Off to our local auto electrician today if I can get it started. Will not go back to the dealer as they have been useless with their servicing of the vehicle since day one.

 

Hi all, turns out the problem is with the MultiAir unit... is preventing the valves from opening. Good news is the unit does not need replacing but the oil has either drained from the valve's or it has gunked up. He said this has caused an air lock and needed a complete flush of oil. Put new oil (and replaced filter) seemed to fix the problem. Apparently the mechanic - Vince from AutoModa in Five Dock, Sydney Australia has seen this before.

Also note, he suggested changing the timing belt at 80, 000 kms or 4 years ... dont listen to Alfa if they say 120, 000 kms as the guys at Parramatta Motor Group said to me.

Hope this helps.