Cars · Reference

PJ7 ECU Technical Overview

Technical specifications and application overview for the 1986-1987 Honda Prelude Si (B20A3) PJ7 ECU.

Beginner 3

The PJ7 ECU was utilized in the 1986–1987 Honda Prelude Si, equipped with the B20A3 engine.

Application Details

  • Vehicle: 1986–1987 Honda Prelude Si
  • Engine: B20A3
  • Generation: BA

Note

The PJ7 ECU utilizes a vacuum-advance ignition system, distinguishing it from later electronic-advance fuel injection systems found in OBD1 and OBD2 Honda platforms.

Technical Specifications

Feature Specification
Generation OBD0 (Early)
Engine Code B20A3
Ignition Control Vacuum Advance
Market North American (USDM)

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Applies to

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Cars 1 link

Honda

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Model Prelude
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