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dies when return line is connected

PostPosted: 12 Jul 2018, 14:12
by SCHNETZLER
The truck will start but not run with the return line connected but it runs fine with it disconnected. Any thoughts on what the problem could be?

Re: dies when return line is connected

PostPosted: 13 Jul 2018, 12:26
by SUPERMOD
Clogged. Adds pressure to the injectors if it cant get out.