jays99burb
Newbie
Been chasing this for too long. Started as #4 mis then went to a multiple cylinder misfire. Following list is items I have replaced to date.
Spider injection, upgraded
Cap, wires, rotor, plugs and cam position sensor
( Plugs are gapped at .45)
Fuel filter
Tps
MAF
Plenum gaskets, was in there already
PCV valve
Upstream O2 sensors
Smoke tested for lower intake leaks, checked out fine.
Something I'm seeing on live data is a low calculated load at idle, less than 7%
I'm not sure where that should be but when I plug my 4.0 ranger in I'm getting around 38% calculated load at idle.
Have not pressure tested the fuel pump yet, it's on my hit list as well as compression test.
I have pulled the valve cover on bank 2 side and all the rockers appear to be doing what they should be. Correct me if I'm wrong but a low load like that could indicate clogged cats?
Spider injection, upgraded
Cap, wires, rotor, plugs and cam position sensor
( Plugs are gapped at .45)
Fuel filter
Tps
MAF
Plenum gaskets, was in there already
PCV valve
Upstream O2 sensors
Smoke tested for lower intake leaks, checked out fine.
Something I'm seeing on live data is a low calculated load at idle, less than 7%
I'm not sure where that should be but when I plug my 4.0 ranger in I'm getting around 38% calculated load at idle.
Have not pressure tested the fuel pump yet, it's on my hit list as well as compression test.
I have pulled the valve cover on bank 2 side and all the rockers appear to be doing what they should be. Correct me if I'm wrong but a low load like that could indicate clogged cats?
