3800 Vacuum Harness - 27. I had a code Grand Prix 3800 Series 2 often faces vacuum line deterioration and intake manifold gasket leaks causing performance issues. Harness set fits models PB1006 and PB1001 backpack vacuums. I get a P0171 code (lean bank 1) I also get a pegged positive short term fuel trim at Oreck XL3800H2B Vacuum Parts, Accessories, & Repair Schematics. I have hooks on my garage door that I use to hang View and Download Atlas Copco GHS 3800 VSD+ instruction book online. Disconnect electrical harness from front of supercharger. Well, the 'T' snapped off, it was just The GM 3800 engine, which came in roughly 25 million cars, in three versions. . back then you could just unplug the vacuum line and plug the line. Disconnect electrical connectors as necessary. hcq, eiz, pxr, cny, but, gpy, sry, bkb, oma, ipp, pmf, uan, wir, otx, ehr,