The foreign material on the screen was telling you there may be a fuel issue causing your problem. Is there another fuel filter in the system?
Has car gas been used in the tanks? Ethanol dissolving some of the resin in the tanks?
The foreign material on the screen was telling you there may be a fuel issue causing your problem. Is there another fuel filter in the system?
Has car gas been used in the tanks? Ethanol dissolving some of the resin in the tanks?