Combo 1.3cdti cranking but no start

Brod2610 · Dec 3, 2023

Hi everyone,

im hoping someone can point me in the right direction and help me.

I recently bought a 2009 combo cdti 1.3, and it has been starting no problem. A couple days ago, I took it for a run around in the morning, then I went to start it about 6 hours later, it was endlessly cranking.

I checked the glow plugs, 2 of them were ok and two were reading about 3k ohms. I removed them all and fitted a new set, however the problem still occurs. I purchased a glow plug light and fitted that in line and all glow plugs are operating.

the battery was low at 11.5v, so tried jumping it off but still no good. I left it trickle charging overnight but still endlessly cranking.

The combo is fitted with an after market ignition barrel and the original key is taped to the immobiliser under the steering wheel column. Not sure if this would have anything to do with it or not.

ive checked the fuel pump fuse and the immobiliser fuse, they’re ok. The glow plug relay must be ok as they’re lighting up

possible injector issue?
Many thanks
James

Brod2610 · Dec 3, 2023

Just to add, the weather here has got colder this last week. Down to -3C.

Also, when trying to start, the orange spanner light doesn’t come on

Koicarpkeeper · Dec 4, 2023

See [f you have 12V at pin 16 in the diagnostic socket.

Brod2610 · Dec 4, 2023

Hi mate thanks for the reply. I do have 12v at the socket pin. Thanks

Dangermousevroom · Dec 4, 2023

Have you tried moving the key away from the immobilizer then putting it back?

Had a problem with a Vauxhall around the same year where the immobilizer wouldn't disarm after so many starts if the chip was continuously stuck to the reader.

If you leave the ignition on the spanner light will start to flash after a minute or so if it's immobilizer.

Brod2610 · Dec 4, 2023

Dangermousevroom said:
Have you tried moving the key away from the immobilizer then putting it back?

Had a problem with a Vauxhall around the same year where the immobilizer wouldn't disarm after so many starts if the chip was continuously stuck to the reader.

If you leave the ignition on the spanner light will start to flash after a minute or so if it's immobilizer.

Thanks for the response , I have tried starting it with removing the key away from the immobiliser and back again

Brod2610 · Dec 4, 2023

Hi all,

I have noticed today that with the aftermarket key being used in the ignition, and the key with the programmed chip inside the house, the car doesn’t start nor does the light come on the dash. I’ve also noticed that the remote unlock and lock on the immobiliser key doesn’t work anymore

Valer · Dec 4, 2023

If It's cranking it's not immobilised,
as a start get it read for stored fault codes and check live data for cranking speed plus desired vs actual fuel pressure when cranking

Brod2610 · Dec 4, 2023

Thank you, have for a code reader and there’s no codes. In regards to live data I’d have to take it somewhere for that

Valer · Dec 4, 2023

Why not buy a better scanner like opcom ?
it would probably be cheaper in the long run

Brod2610 · Dec 4, 2023

Sorted it.

I didn’t realise that the immobiliser key chip uses the blade as some sort of antenna and that the key blade has to go through the immobiliser ring

once I realised this, the fuel pump kicked in and away she went

Combo 1.3cdti cranking but no start

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