| SDV8 fuel return line check valve | |
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Went through my entire fuel system and somehow somewhere is preventing fuel to return properly causing high tail pressure code only at high revs. Upon reading in this forum I've found there is a check valve on the return line after the fuel cooler. Is it integrated into the fuel line adapters (with blue quick lock) or the H shaped pipe down stream which connects the return line with the supply line before low pressure fuel pump? Planning to test if the check valve is clogged.
Appreciate any advise on this.
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