Just replaced all my fuel lines.
Testing for leaks none found yet.
Heard strange noise near return line.
Sounds like a sink running.
Unplugged frequency valve.
Unplugged idle motor.
Unplugged cold start injector.
Only noise left is fuel pump and the return line noise.
Haven't fully cranked or started the car yet so it may go away once I run it awhile.
I don't hear the noise on the feed line.
I wouldn't think the distributor would let air in with letting fuel out.
Just asking if anyone else has noticed that noise after replacing your fuel lines?




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