HONDA ENGINE CODES

Engine Codes / Vehicle / Year

A20A3 Honda Accord 1988-1989

B16 Acura Integra XSi/RSi (JDM) 1990-1991

B16 Acura Integra XSi/RSi 1992-1993

B16A Honda Civic SiR (JDM) 1989-1991

B16A Honda Civic (EDM) 1992-1995

B16A Honda Civic VTi 1996-2000

B16A Honda Del Sol/CRX SiR 1992-1996

B16A Honda Civic SiR (JDM-Hatch) 1989-1992

B16A1 Honda CRX 1.6i/VTi (EDM) 1989-1992

B16A1 Honda CRX SiR 1990-1991

B16A1 Honda Civic SiR (JDM) 1990-1991

B16A2 Honda Civic Si 1999-2000

B16A2 Honda Civic SiRII (JDM) 1992-1995

B16A2 Honda Del Sol (JDM) 1993-1995

B16A3 Honda Del Sol 1992-1995

B16B Honda Civic Type R (JDM) 1998-2001

B17A1 Acura Integra GSR 1992-1993

B18A1 Acura Integra GS 1990-1991

B18A1 Acura Integra GS 1992-1993

B18B1 Acura Integra GS/LS/RS 1994-1995

B18B1 Acura Integra GS/LS/RS 1996-2000

B18C Acura Integra SiR (JDM) 1995-1997

B18C1 Acura Integra GSR 1994-2001

B18C3 Honda Integra Type R 1995-1998

B18C5 Acura Integra Type R 1998-2001

B18C5 Honda Integra Type R 1997-2001

B20A3 Honda Prelude 2.0 S 1990-1991

B20A5 Honda Prelude 2.0 Si 1990-1991

B20A5 Honda Prelude Si 1988-1989

B20B Honda CRV 1997-1998

B20Z Honda CRV 1998-2001

B21A1 Honda Prelude Si 1990-1991

C30A Acura NSX 1991-1996

C32B Acura NSX 2002+

D15A Honda Civic DX 1988-1991

D15A1 Honda CRX DX 1988-1991

D15A2 Honda CRX HF (Carbed) 1984-1987

D15B2 Honda Civic DX/LX 1988-1991

D15B6 Honda Civic HF/CRX HF 1988-1989

D15B6 Honda Civic HF/CRX HF 1990-1991

D15B7 Honda Civic DX/LX 1992-1995

D15B8 Honda Civic CX 1992-1995

D15Y7 Honda Civic DX/LX/CX 1996-2000

D15Z Honda Civic HF 1996-2000

D15Z1 Honda Civic VX 1992-1995

D16A1 Acura Integra 1986-1987

D16A3 Acura Integra 1988-1989

D16A6 Honda Civic Si/CRX Si 1988-1991

D16A6 Honda Civic EX 1990-1991

D16A8/9 Acura Integra 1988-1989

D16Y8 Honda Civic EX 1996-2000

D16Z6 Honda Civic EX/Si /Del Sol Si 1992-1995

D17A1 Honda Civic DX/LX 2001+

D17A2 Honda Civic EX 2001+

EW4 Honda CRX Si 1985-1987

EW4 Honda Civic Si 1986-1987

F20A Honda Accord 2.0Si (JDM) 1990-1993

F20C Honda S2000 2000+

F22 Honda Prelude Si 1992-1996

F22A1 Honda Accord 1990-1993

F22A1 Honda Prelude S 1992-1996

F22A4 Honda Accord 1990-1991

F22A6 Honda Accord 1991-1993

F22B1 Honda Accord EX 1994-1997

F22B2 Honda Accord DX/LX 1994-1997

H22 Honda Accord SiR 1994-1997

H22 Honda Prelude VTEC 1992-1996

H22A Honda Prelude SiR (JDM) 1997-2001

H22A Honda Prelude 1999-2001

H22A Honda Prelude Type S (JDM) 1997-2001

H22A1 Honda Prelude 1997-1998

H22A1 Honda Prelude VTEC (USDM) 1993-1996

H22A4 Honda Prelude (USDM) 1997-2001

H22A7 Accord Euro-R 2002+

H23 Honda Prelude Type S (JDM) 1993-1995

H23A1 Honda Prelude SE/Si 1992-1996

K20A Acura Integra (JDM) 2001+

K20A Honda Civic Type R (JDM) 2001+

K20A Integra Type R (JDM) 2001+

K20A Acura Integra IS (JDM) 2001+

K20A2 Acura RSX Type S 2001+

K20A3 Acura RSX 2001+

K20A3 Honda Civic Si 2002+

K24 Honda CRV 2002+

ZC Honda CRX (JDM) 1990-1993

ZC Honda CRX Si16/1.6i (JDM) 1989-1992

ZC Honda CRX Si (JDM) 1985-1987

ZC Acura Integra (JDM) 1990-1993

ZC Acura Integra (JDM) 1986-1989

ZC Honda Civic Si (JDM) 1986-1987

ZC Honda Civic Si (JDM) 1988-1991

Engine Codes / Size / Type / Vehicle & Power Ratings

EW4 1.4L & 1.5L SOHC PGM-Fi '84-'87 Civic 60-92hp

D15B 1.5L SOHC non-VTEC '88-'95 Civic's 62-102hp

D16A1 1.6 L DOHC 86-89 Integra 86/87 113hp 88/89 118hp

D16A6 1.6L SOHC 88-91 Civic Si/ CRX Si 108hp

ZC JDM equivalent of D16A1 130ps

D16Z6 1.6L SOHC VTEC 92-95 Civic EX/Si 125hp

D16Y5 1.6L SOHC VTEC-E 96-00 Civic HX 115hp

D16Y7 1.6L SOHC non-VTEC 96+ Civic CX/DX/LX 106hp

D16Y8 1.6L SOHC VTEC 96+ Civic EX 127hp

B16A 1.6L JDM DOHC VTEC 89-91 Civic Si-R I/CRX Si-R, Integra RSi/XSi 160ps

B16A2/3 1.6L USDM DOHC VTEC 93-97 DelSol VTEC/99-00 Civic Si 160hp

B16A 1.6L JDM DOHC VTEC 92-95 Civic Si-R II/ 92-97 CRX DelSol SiR 170ps

B16B 1.6L JDM DOHC VTEC 98+ Civic Type R 185ps

D17A2 1.7L SOHC VTEC-E 01 Civic EX 127hp

D17A1 1.7L SOHC non-VTEC '01+ Civic DX/LX 115hp

B17A1 1.7L USDM DOHC VTEC 92-93 Integra GS-R 160hp

B18A1 1.8L USDM DOHC non-VTEC 90-93 Integra RS/LS/GS 90-91: 130hp / 92-93: 140hp

B18B1 1.8L USDM DOHC non-VTEC 94-01 Integra RS/LS/GS 140hp

B18C 1.8L JDM DOHC VTEC 94+ Integra SiR-G 180ps

B18C1 1.8L USDM DOHC VTEC 94+ Integra GS-R 170hp

B18C5 1.8L USDM DOHC VTEC 97+ Integra Type R 195hp

B18C6/7 1.8L JDM DOHC VTEC 96+ Integra Type R 200ps

B20A5 2.0L DOHC non-VTEC 87-91 Prelude 2.0Si 135hp

B20B 2.0L DOHC non-VTEC 96-98 CR-V 126hp

B20Z 2.0L DOHC non-VTEC 99-01 CR-V 143hp

B21A1 2.1L DOHC non-VTEC 90-91 Prelude Si 145hp

K20A3 2.0L DOHC i-VTEC '02+ RSX 02+ Civic Si 160hp

K20A2 2.0L DOHC i-VTEC 02+ RSX Type S 02+ Civic TypeR 200hp

K20A 2.0L JDM DOHC i-VTEC '02+ Integra Type R 220ps

F20A1 2.0L JDM DOHC non-VTEC 90-93 Accord Si 155hp

F20B 2.0L JDM DOHC VTEC 90-93 Accord Si-R 190ps

F20C1 2.0L DOHC VTEC '00+ S2000 250ps/240hp

F22A1 2.2L USDM non-VTEC 92-96 Prelude S 90-93 Accord LX/EX 130hp-135hp

F22B 2.2L USDM SOHC VTEC 94-97 Accord EX/97 2.2CL 145hp

F23A5 2.3L USDM SOHC 98+ Accord DX 135hp

F23A1 2.3L USDM SOHC VTEC 98+ Accord EX & LX/98-99 2.3CL 150hp

F23A4 2.3L USDM SOHC ULEV VTEC 98+ Accord EX & LX 148hp

H22A1 2.2L USDM DOHC VTEC 92-96 Prelude VTEC 190hp

H22A4 2.2L DOHC VTEC 97-01 Prelude VTEC/SH 97-98: 195hp 99-01: 200hp

H22A 2.2L JDM DOHC VTEC 92+ Prelude Type-S, 97+ Prelude SiRS Spec 220ps

H23A1 2.3L USDM DOHC non-VTEC Prelude Si 160hp

G25A1 2.5L USDM SOHC non-VTEC 96-98 2.5TL 176hp

J25A 2.5L JDM SOHC VTEC V6 JDM Honda Aspire/Sabre 200ps

C27?? 2.7L USDM SOHC non-VTEC V6 86-89 Legend 150-160hp

C27?? 2.7L USDM SOHC non-VTEC V6 95-97 Accord V6 170HP

C30A(?) 3.0L DOHC VTEC V6 91-96 NSX/NSX-T 270hp

J30A1 3.0L USDM SOHC VTEC V6 98-02 Accord V6/97-99 3.2CL 200hp

C32A6 3.2L USDM SOHC non-VTEC V6 91-95 Legend Sdn, 91-92 Legend Cpe 96-98 3.2TL 200hp

C32A5 3.2L USDM SOHC non-VTEC V6 94-95 Legend GS Sdn, 93-95 Legend Cpe 230hp

C32A? 3.2L DOHC VTEC- V6 97+ NSX/NSX-T 290hp

J32A1 3.2L USDM SOHC VTEC V6 98+ 3.2TL/3.2CL 225hp

J32A2 3.2L USDM SOHC VTEC V6 00+ 3.2CL Type-S, 01 3.2TL Type-S 260hp

C35A2 3.5L USDM SOHC non-VTEC V6 3.5RL 215-225hp

J35A1 3.5L USDM SOHC VTEC V6 98+ Odyessy 210hp

J35A3 3.5L USDM SOHC VTEC V6 Acura MDX 240hp

Honda engine codes
0	ECU
1	Oxygen Content
3	Map sensor
5	Map sensor
6	Crank Angle
7	Throttle Angle
8	TDC position
9	No 1 Cylinder Position
63	Intake Air Temperature
12	Exhaust Gas Recirculation System
13	Atmosphere Pressure
14	Electronic Air Control
15	Ignition Output Signal
16	Fuel Injector
17	Vehicle Speed Sensor
20	Electronic Load Detector
22	VTEC System Malfunction
23	Knock Sensor
41	O2 Sensor Heater
43	Fuel Supply System
45	System Too Rich or To Lean
48	Primary Heated O2 Sensor
54	Crankshaft Speed Fluctuation Sensor
61	Primary O2 Sensor Circuit
63	Secondary O2 Sensor Circuit
67	Catalyst System
70	Automatic Transaxle
71-74	Random Misfire
80	Exhaust Gas Recirculation
86	Engine Coolant Temperature Circuit
90	Evaporative Emission Control System Leak Detected
91	Fuel Tank Pressure Circuit
92	Evaporative Emission Control System Insufficient
Some trouble codes are not listed for certain models and some codes apply to only California-legal vehicles.

Honda/Acura 88-'91 Honda; '86-'93 AcuraThese models are by far the easiest to read. The ECUs are equipped with a window on the topside of the computer. On the other side of the window is Honda's "Enigma" machine-well, more like an LED (Light-Emitting-Diode). This little LED holds the key to unlocking the codes to understanding why the damned engine light is on. Simply put, the car in the "ON"-position; watch for the flashing sequence on the LED. '92-'00 Honda; '94-'00 AcuraAn upgrade from the early-model Hondas, this ECU no longer has the access windows with an LED. Replacing the LED is a flashing check engine light. All that is needed to pull trouble codes is a jumper wire. Locate the factory diagnostic plug located next to the ECU for Integras and Civics or by the center console for Preludes and some Acuras. A two-pin connector contains a brown and black wire. Jump the two wires together and put the vehicle in the "ON" position.

UNDER CONSTRUCTION

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