Two stroke oil is sometimes used to lubricate the fuelpump, it has no cleaning affects on the injectors at all.
I use this at every third fill-up or so, to boost the lubrification and cleaning affects of the premium dieselfuel I use.
Still on the original, first fuelpump, injectors and turbo after about 250000 mls...on my 2004 jtd, 150HP Alfa GT.
https://products.liqui-moly.com/speed-diesel-additive-3.html
I feeeel the need...
I'll get me some... you can't be too clean in the injectors. In my petrol 145 I used kerosene.. since that is mostly (90%) what injector cleaner is. I dunno (probably okay?) if kerosene would work for diesels too.
On my 145 the injectors went off to be cleaned while I was fixing the top end (water pump broke) ... and the before/after showed the worst one as 92% of max flow, vs 95% after cleaning. The other injectors were 94-95% and went up to 96-97%. So the kerosene was not doing a bad job (car on 150,000 miles).
Ralf S.
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