Car won't start
 

Hi guys my car has been running fine until today when after I started the at the electronic immobiliser light stayed on but didn't flash or beep and then I got to my friends house and stopped the car. A few hours later I went to start it and it wouldn't start.

It cranks but doesn't start like its not getting fuel/spark after looking again when turning on the ignition all the light light up except the electronic immobiliser light witch doesn't light up at all,

Any help is appreciated thanks rob


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Try pressing the red button under the bonnet? Worth a shot, also if it's an aftermarket alarm, try locking and unlocking the car with the fob maybe? Or just keep taking the key out and then putting it back in and trying to start it. My mate had a clio that decided it wanted to immobilise itself and took forever to start, he had to put the key in, try start it, take key, try again etc


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It's not that I had the RAC out and he couldn't find out why it was giving fault codes 2 and U3FFF but wasn't sure what they meant, he said try the other key as it is 30 miles from the car I haven't tried that yet, but he doesn't think it's that as the immobiliser light doesn't come on.

The wierd thing is that the fuse for the heater had blown as well and wasn't sure if it was connected as it worked fine

Any ideas?


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Rear heater is connected to power steering and blowers. Might be faulty immobiliser box. All I could think is to get a unlocked ecu to start the car. Or if you have a friend with same spec car plug his reader ring into your barrel, place key inside it, place his immobiliser box in yours, start with your key. But his in reader(if that makes sense) if car starts unplug immobiliser box. You know have a unlocked ecu, but car has no immobiliser . Rules box out.
Or
Take battery off for around half hour see if it resets ecu first.

What states battery in by the way? My mates used to come on when batt was low.

The battery is about 2 weeks old, and aprently the UF333 code means the immobaliser pick up ring, I have removed the ring from my other saxo and will try it next week as the car is at my grandads, do i need the box from the other saxo as well? or will just the ring be ok?

Thanks rob

should only need the ring

ecu locked it self mine did that ??

I have tried 2 rings from scrappy and one from a working car, no luck.

My grandad has now been looking seems the RAC was wrong the fuel pump doesn't prime, it works off the var but doesn't seem to get any power so he is trying the relays.

You'd hear fuel pump prime.

If you manage to sort fuel pump and it's still chucking reader ring code, I'd try it with an unlocked ecu, from same model.

My Granddad hoked a battery up to the fuel pump with it on the car and it started fine, he spoke to a guy a Citroen he knows and apparently that means it has a faulty immobilizer, not the ring the actual thing.

He is going to hook it up and start it then remove it hopefully that works.

Thanks Rob