Try a tankful of B99 and have a filter on hand.

Causes folks lots of problems when they switch over on older cars. Is a very effective cleaner.

I wouldnt run it that strong too much as it will effect the old rubber in the fuel lines and cause them to weep/leak. B20 seems to work better for the long run.

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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)