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2025 Nissan primstar / renault traffic / vauxhall vivaro diagnostics

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murrayst185

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2025 Nissan primstar / renault traffic / vauxhall vivaro diagnostics
So fellas/ladies have launch diag already plus access to other diagnostic machines. Had van in during the week can read all the on board computers except ecu. Van came in with suspected injector problems. My diagnostic says ecu not equipped. Went old school epbd nothing there other than milage and and vintage number. Used a Autel reader and it was able to pull fault codes (glow plugs) but coudnt tell us anything more. Used another reader cant remember the name it wudnt recognise anything. Then old school machine again eobd was able to get fault codes (also glow plugs) and also some live data. Egr out of range, fuel pressure out of range, maf out of range. After google search looks like you have to get tokens from renault because of a gateway block? Van is nissan primestar. Renault running gear ect. Tried diagnostic tools in renault menus, nissan menus & opel/ vauxhall menus with not much joy. Experience says injector failing but never had this before with diagnostic tools. Any one similar scenario or came across this before on another manufacturer?
 
murrayst185 said:
2025 Nissan primstar / renault traffic / vauxhall vivaro diagnostics
So fellas/ladies have launch diag already plus access to other diagnostic machines. Had van in during the week can read all the on board computers except ecu. Van came in with suspected injector problems. My diagnostic says ecu not equipped. Went old school epbd nothing there other than milage and and vintage number. Used a Autel reader and it was able to pull fault codes (glow plugs) but coudnt tell us anything more. Used another reader cant remember the name it wudnt recognise anything. Then old school machine again eobd was able to get fault codes (also glow plugs) and also some live data. Egr out of range, fuel pressure out of range, maf out of range. After google search looks like you have to get tokens from renault because of a gateway block? Van is nissan primestar. Renault running gear ect. Tried diagnostic tools in renault menus, nissan menus & opel/ vauxhall menus with not much joy. Experience says injector failing but never had this before with diagnostic tools. Any one similar scenario or came across this before on another manufacturer?
Click to expand...
If you are using cheapo amazon/ebay readers you are wasting your time, they are not much use.
Take it to a garage and find the exact fault codes, my dude charges £15, you dont have to go to a main dealer.
If youve found the codes and its saying glow plugs and or injectors then its going to be an expensive run around but I can tell you that before you start replacing these, get the diesel pump looked at. Not the diesel pump in the tank, there's a high pressure injector pump, you can get a new or reconditioned one,- someone i know replaced all his injectors, twice, and spent a load on other crap until someone told him about the high pressure pump, but considering the van is only 12m old I can't see it being injectors, glow plugs or pumps
 
How many miles has it done?
If its quite high, you might be better taking the fuel tank off and having a look inside, if there's a layer of what looks like gold glitter at the bottom, its your high pressure pump, the 'glitter' is fragments of brass from the pump.
It causes the exact symptoms of a failed injector
 
Thanks for the replies People. No not cheap readers either. Rang Nissan directly in the end and the van is still under warranty so they can deal with it now. 39000 miles on it. July 2024 was the manufacturing date. Il try get an update on it if I can in the future. Was just a strange one that it was locking us out of the ecu with so many different brands of readers. (Most doing a smart scan were saying ecu not equipped) How ever bcm for example was reading no problem.
 
murrayst185 said:
Thanks for the replies People. No not cheap readers either. Rang Nissan directly in the end and the van is still under warranty so they can deal with it now. 39000 miles on it. July 2024 was the manufacturing date. Il try get an update on it if I can in the future. Was just a strange one that it was locking us out of the ecu with so many different brands of readers. (Most doing a smart scan were saying ecu not equipped) How ever bcm for example was reading no problem.
Click to expand...
For future reference, dont connect any readers or laptops to it if its still in warranty. They will use any excuse they can to invalidate it and connecting unauthorised gadgets to it is one of the reasons they will use to weasel out of any repairs or anything else.
It's 99% a con but you probably already know this anyway if you deal with vehicles.

My 8 year old citroen recently had a error code on starting.
Eventually took it to be read and it was an "engine additive low" problem.
Much Google ing said take it to citroen dealer, its a £600 fix, and this was from 2019.
A lot more googling said its an additive called eolys fluid that comes with the car and lasts 100K miles but still most were saying it takes citroen to reset the computer even if you DIY.
It's a plastic tank that holds 3L of this crap, its £40+ per litre if you get it from local accessories outlets.
I paid £15 to a local dude to find out the code.
Bought a litre and tube/applicator from fleabay for £25 delivered.
Same guy charged me £50 to put it in and also reset computer to tell it its been refilled.

So I could have gone to citroen and paid slightly less than a grand, but I paid slightly less than a ton and saved £900 for same job.

Sure, citroen would have filled it with 3 litres.
I bought 1 litre.
Three litres lasted 100k miles, the car is 8 years old, I'll get 30K from a litre, which will take me about 15 years for the amount of driving I do, I believe I'll manage, and if i dont, I'll be too old to care. It won't be on the road by the time it gets low, and TBH if I'm around by that time I'll show my knackers on the town hall steps.
 
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