IR key re sync

[Nathan1305]

I know it's another key thread but I'm having no luck. I've changed the battery and it's locks/unlocks but won't start the car unless I have the ignition on with my spare key and press the big button then the little button on the fob. This will start the car but then when I wait 5 minutes or so it will forget everything and will stop the car from starting. 

I've tried a few methods but can't find one that fixes the issue for good. Any advice?

[cully]

check the fob has still got the little black chip in the case as it controls the immobilizer

i suspect it fell out when you changed the battery

[Nathan1305]

check the fob has still got the little black chip in the case as it controls the immobilizer

i suspect it fell out when you changed the battery

That's still in there, I've just been to Peugeot and I said what was happening and he suspects that a sensor that goad around the ignition barrel is packing up so I've ordered one for £19.25 and that hopefully should fix it. If not its £133 for a whole new key!