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scottysspeedshop
04-07-2009, 09:40 AM
Can you run a 90 mustang without O2 sensensors.I read somewhere the coputer would run in a open loop mode.is this true? thanks
evarner
04-07-2009, 12:07 PM
Constant check engine light
Rich idle
Fouled plugs
Unknown AFR
Sickning exhaust smell


If you could run above 3000rpms 100% of the time, it could work.
mitchntx
04-07-2009, 03:51 PM
Constant check engine light
Rich idle
Fouled plugs
Unknown AFR
Sickning exhaust smell


You are describing a CMC LT1 motor perfectly.
scottysspeedshop
04-07-2009, 08:35 PM
hats what I thought.next question?I have a new motor injectors plus wires coil dist. no O2s.The motor fires but is missing on a couple cylinders.When we check the plugs thay are wet .I am thinking the injector is not shutting off could it bu the computer.I am going to put in o2s but that shouldnt keep it from firing on all 8 would it?