I have been reading up and seeing a few things talking about checking the pressure. How is the pressure checked?
1997 cc lb 4x4 5 speed tymar 4 inch diamond eye straight pipe, 20 inch Eagle Alloy polished wheels,power hungry 6 pos tuned for stage 1's,idm mod,8000k H.I.D's. 4'' icon front super duty springs with sky 5'' rsk. rear 6'' icons for super duty. bilstien shocks. ebay special grill.