Sprinter 2007 Cranks but won’t start

Mohammad Zeshan Habib

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Your Mercedes
Sprinter 313 2007 2.1
Hello everyone, thanks for taking the time out to read this post.

I recently purchased a Sprinter 313 from a friend in the hopes of repairing it and using it as a recovery truck. Long story short, the old original engine had issues with injectors so he purchased a bare engine to swap in. He swapped all his parts over to the new engine and fitted it however the new engine will not start.

I believe the original engine code of this van is OM646 986. He says the new engine was definitely the exact same which physically it looks the same however the injectors from the original engine did not fit and therefore he purchased new injectors which leads me to believe the engines are slightly different. Would there be anywhere on the engine itself that I can find a code so I can confirm?

Currently the van will not start. I have fuel coming to the pump however it will not travel from the pump in to the rail and injectors. Easy start will not start the van either. The only codes that come up are relating to glow plug module (P1954 and P1955). I can’t seem to find the glow plug module on this engine anywhere that I look however I wouldn’t have thought that would cause no start at all. I also have a P0107 code relating to manifold absolute pressure / BARO low. Not sure what this means?

If anyone could help out, I would be grateful. I have replaced the fuel pump relay to ensure it’s not that causing the fuel pump to not put the fuel through to the rail. This made no difference. No idea where to look or what to try next.

Any help and advice appreciated. Thanks
 
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