Unmasking the Fuel System Monitor's Unwillingness Reasons for Unreadiness

Diagnostic scanner? IIRC, these trucks have Misfire, EVAP, O2, Heated O2, Catalyst, Fuel System, EGR/CMP and I can't remember the last monitor. Issue #1: -After doing the driving sequence for 3 times, everything was ready, but FUE (Fuel System) monitor was not ready. ... Issue #2: - ... The ECU will once again self-test the EGR System, EVAP Purge System and Long Term Fuel Trims. ACCELERATE: Go ahead and accelerate again at 3 ... the OBD system has not yet completed ... 1996-1998 Mitsubishi vehicles - These vehicles may have a high degree of “not ready” for the catalyst monitor. A weak cat can cause the monitor to never come ready. EVAP is a system to suck the evaporated fuel out of the tank, through a charcoal filter, ... A lot of OBD readers will have a section that shows a list of monitors that show which ones are ready, which ones are not ready yet, and a few ... not set on certain flex fuel models. Readiness monitors are disabled for operation if greater than >E10 blends. The monitor will ignore all 11 ... Every vehicle made after 1996 has to have an OBD2 system built in and that system will have various emissions monitors that signify when it ... if the evap monitor is not ready, verify that your fuel cap is tight and the level of fuel is between 1/4 and 3/4 full. if all the other monitors are ready ... It failed fuel system readiness because the JB4 is manipulating the fuel rail pressure, so it isn't passing readiness. Take the JB4 off, clear codes, drive it ...