Hey guys, I'm fairly new to this forum and to actually having a duramax. I bought an 07 lbz with 105k on it. Efi live, dsp 5 with cobalt gauges. S and b intake. Last week I was throwing a p0087 code for low fuel rail pressure. I bought a scan gauge 2 and cleared the code and it hasn't reappeared in 150 miles. What is weird is that I am leaking fuel down the drivers side, from what appears to be the back part of the motor. It's hard to see because of the glow plug controller. It drips from the bottom of the bellhousing onto the ground. Does anybody have any suggestions as to what it could be? The two lines that go from the tank then turn up into the motor and turn into the flex lines are not leaking either. Could it be a leaky return O ring on the back of my cp3? I had a buddy rev it while i looked under the hood and couldn't see shit. Its defiately not the return lines, they're all 100% dry. Could it be a seal in the farthest back injector? The tag, is the tag that usually goes on the back of the head on drivers side. was soaked in diesel… Any help?
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