I was experiencing rough idling on a 4JX1 trooper with 60k kms, which the casa said was caused by faulty injectors.
I tried this product by Liqui-Moly called "Diesel Purge"- designed for remedial cleaning of the injection system. After using 2 half-tanks, the car feels much better in terms of idling and power. Much faster response, less smoke when accelerating.
It can be used in 2 ways: one is to mix with diesel fuel in a 1:400 ratio or as a concentrate direct into the fuel supply system. (I used it by mixing it in fuel tank.) Effect suppose to last about 2000kms unless there's damage on the nozzles, not just dirt.
Think it's a good alternative to biodiesel. Recommended.




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