Civic Hatchback L4-1493cc 1.5L SOHC (D15B1) TBI (1990)
CAUTION:Replace the exhaust gasket and self-locking nuts when you reinstall the pipe.
10. Remove the header pipe.
11. Remove the gearbox shield
12. Using solvent and a brush, wash any oil and dirt off the control unit, its lines, and that end of the gearbox. Blow dry with compressed air.
13. Disconnect the three lines from the control unit.