1990 Honda Civic Base, 2D HatchbackFACTORY OEM SERVICE PROCEDURE

Engine/VIN Id: Identification

MODEL COVERAGE

MODEL BODY (1) ENGINE (2) FUEL IGN.
Accord CB7 2.2L (F22A1)(3) SFI (4) Magnetic
CB7 2.2L (F22A4)(5) SFI (4) Magnetic
Civic ED3 1.5L (D15B1) TBI (4) Magnetic
ED4 1.6L (D16A6) SFI (4) Magnetic
ED6 1.6L (D15B1)(6) TBI (4) Magnetic
ED7 1.6L (D16A6)(6) SFI (4) Magnetic
EE2 1.5L (D15B2) TBI (4) Magnetic
EE4 1.6L (D16A6) SFI (4) Magnetic
CRX ED8 1.5L (D15B2)(7) TBI (4) Magnetic
ED9 1.6L (D16A6) SFI (4) Magnetic
Prelude BA4 2.0L (B20A3) Carb.(8) (4) Magnetic
BA4 2.0L (B20A5) SFI (4) Magnetic
BA4 2.1L (B21A1) SFI (4) Magnetic
(1) Body/Engine ID is the 4th, 5th and 6th digits of VIN number.
(2) Engine code is the first 5 characters of the 12 characters stamped or tagged on engine block.
(3) With single exhaust manifold.
(4) Ignition timing is controlled by Electronic Control Unit (ECU).
(5) With dual exhaust manifold.
(6) The ED6 Body/Engine code can also indicate a 1.5L (D15B2) TBI engine with magnetic-type ignition system.
(7) The ED8 Body/Engine code can also indicate a 1.5L (D15B6) SFI engine with magnetic-type ignition system.
(8) Carburetor (PGM-CARB) is computer controlled, with self- diagnostic capabilities.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.