I have a 2006 envoy denali with the 5.3L. It has a misfire on cylinder #1 and iv changed the oil since it was losing oil pressure, changed spark plugs and wires and even replaced the coil pack for the cylinder and it still has a misfire. Could a lifter have lost its prime and causing the misfire and if so do the hydraulic roller lifters re-prime themselves with the engine running?
have the same problem?
Monday, July 23rd, 2012 AT 4:59 PM