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I disconnected the fuel return line and connected it to an external container for recycling the gas.
System pressure 78psi, about the same as the previous test with the return line connected to the cars’s tank. This tell me the return line is not blocked.
Now here is the twist.
The cold control is 0.5 bar or 7 psi. The cold control pressure was 3.9 bar or 57 psi. I don’t understand how the control pressure can change so much. I will do additional test again tomorrow with the return line connected back to the tank.
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