Closed Loop
On a normally operating engine, dwell at both idle and part throttle will fluctuate between 10-50 degrees (closed loop mode). The dwell (air/fuel mixture) is varying due to the interaction between the oxygen sensor and the ECM.
On a normally operating engine, dwell at both idle and part throttle will fluctuate between 10-50 degrees (closed loop mode). The dwell (air/fuel mixture) is varying due to the interaction between the oxygen sensor and the ECM.