Will BG245 clean the injectors in 1.6HDi?

Do these fuel system cleaners really work?

If you want to see cleaner injectors here is a video that shows how after Wynn's diesel injector cleaner, the injectors are cleaner:    • Wynn's diesel injector cleaner TEST/P...  

This is a test of the BG245 fuel system/injector cleaner in a 1.6HDi Peugeot Partner (2007; 90bhp; 66kW; 9HXC engine; ~100,000 miles or ~161,000 km), same as a Citroen Berlingo.
The tests comprises reading 3 times the leak-off of the injectors in the Peugeot Partner when the fuel tank was nearly empty. The car was also warmed, so not to affect the readings. These 3 were done in quick succession. BG245 was then added to the nearly empty fuel tank and filled with normal diesel (Texaco). I drove ~630-650 miles with the BG245, mainly shorter journeys (~60%) but also some motorway/highway as well (~40%). The fuel tank was again nearly empty and I did the same 3 measurements of the fuel returned by the injectors. The idea is that if an injector is blocked it will return a lot of fuel back as compared to a normal (non-blocked) injector. Fuel is under pressure and a blocked injector will result in slightly more fuel returning than going through the injector. It is not entirely scientific method and it is a bit crude and there could be a lot of variability. Nevertheless, it is fairly OK and I can easily perform it.
The BG245 apparently contains PEA (polyetheramine) or Techron. Also, here and there on variety of chats Shell V power puts in their v power diesel fuel. How true that is, is a different topic.
The video is how to perform a leak-off test or measure the return flow of the diesel from the injectors. Overall, one has to look for the variance between the injectors rather than some arbitrary constant return flow. There are some websites where it is stipulated that the injectors are good if they return less than 25ml per min. I am not too sure about these values. After the test 3 of my injectors return less than 25ml per min. So, there might be some merit in this less than 25ml per min at idle.

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Here are the results. No difference at after the use of the BG245. What is even more, all of the injectors were returning a bit more after that, not less. Nevertheless, the difference was not statistically significant. Also, I did not notice any effect on performance or the fuel economy.
Here are the list of things that I used:

All my car-related purchases: https://www.amazon.co.uk/shop/moremol...


BG 245 Premium Diesel Fuel System Cleaner 325ml (amazon UK): https://amzn.to/3b830ms or ebay: https://ebay.us/ryBYqt
Fuel Flow Meter Leak Off Tester Kit Common Rail 6 Cylinder Diesel Adaptor Set (amazon UK): https://amzn.to/3rZ1mOL or ebay: https://ebay.us/uEkQwJ
Leak Off Fuel Pipe (Injector Return Hose) (amazon UK): https://amzn.to/3LEOMyZ or ebay: https://ebay.us/CCRda7
How to perform leak-off injector test:    • How to test injectors in 1.6HDi/TDCi ...  

Here are the actual numbers. inj means injector. The number after means the number of the injector, counting from left to right and the second number is 1 or 2 (1 before BG245 and 2 after BG245). For example, inj_4_1 is injector 4 (first from left) 1st time, i.e. before BG245.

inj_4_1 inj_3_1 inj_2_1 inj_1_1 inj_4_2 inj_3_2 inj_2_2 inj_1_2
35 47.5 35 42.5 35.5 50.05 38 41.5
32 43.5 31.5 36.5 35 49.5 36.5 39.5
31.5 44 32 37 33.5 48 35 38.5

#HDi #BG245 #InjectorCleaning

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