Uff... so need some help with standard repair guys.
My ride had a new tank and pumps like 4years ago.
New FPR AcDelco was installed like 2 years ago but I was getting "only" 3.5bar on the rail when idle.
New injectors - Bosch type 5-O motorsport
All was running OK no check engine, no miss fire but only 3.5bar.
So last weekend I swapped other FPR - amazon super-duper 16$ magic 4.0bar that was broken internally out of box...
But my ACdelco...was marked 400kpa so 4 bars.
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So I went check the fuel filter....and it was installed bad direction. IN was the OUT.
But.... fuel line connector was rusted badly.
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Where will I find the fuel line in. From filter to FPR?
Or only the ending? Is there 5/8 with the oring a repair set for it?
Rock auto /ac delco does not have a line IN in cataloge. Only line Return.