There are no air temp correction parameters set on the ECU (for fuel) outside of closed-loop (on the 02-sensor). In closed loop (using the 02-sensor) is where changes are frequently made.guzziben47 said:You lost me. If the air temp sensor doesn't cause the ECU to enrichen the mix or change to a different map, then the Memjet must not be changing anything but the timing. I though the air temp sensor caused the ECU to lean the mix when its hot and enrichen it when it's cold.