Prelude L4-2056cc DOHC (1990)
Camshaft Position Sensor: Technical Service Bulletins
TDC/Crank Sensor - Replacement
Prelude TDC/CRANK
Sensor Replacement
Before replacing a TDC or crank angle sensor on an '88-91 Prelude, measure the air gap on the original sensor. When you install the new sensor, adjust
the air gap to the original measurement.