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All Things Honda Civic Si

The ECU or engine control unit can control a number of different functions on an internal combustion engine. In the simplest applications they will control nothing more than the amount of fuel which is injected into the engine. In most modern applications they can control the amount of fuel injected, ignition timing, valve timing and even the boost level obtained from a turbocharger or supercharger. The Civic Si ECU (engine control unit) is tuned from the factory for a high degree of performance. There also a number of manufacturers who build aftermarket ECU chips for the Civic Si which are generally capable of offering an even further performance boost. Many of the aftermarket ECU’s are also capable of being programmed. This will allow a driver to modify certain settings which can enable either an increase in power or fuel economy.

TODA CHIP OBD1 ECU P28 P72 JDM P08 P30 INTEGRA TYPE R B18C5 DC2 B18C ITR 2 Step
TODA CHIP OBD1 ECU P28 P72 JDM P08 P30 INTEGRA TYPE R B18C5 DC2 B18C ITR 2 Step
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99 00 Honda Civic ECU Engine Control Unit Module Brain Box 37820 P2P A12 M T
99 00 Honda Civic ECU Engine Control Unit Module Brain Box 37820 P2P A12 M T
$59.92
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Honda JDM ZCD16A VTEC AT ECU p70 OBD1
Honda JDM ZCD16A VTEC AT ECU p70 OBD1
$200.00
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Honda JDM D16A VTEC AT ECU p91 OBD1
Honda JDM D16A VTEC AT ECU p91 OBD1
$200.00
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CHIPPED HONDA NON VTEC ECU + OBD2 TO OBD1 CONVERSION HARNESS PR4 P75 B18 B20
CHIPPED HONDA NON VTEC ECU + OBD2 TO OBD1 CONVERSION HARNESS PR4 P75 B18 B20
$230.99
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JDM TUNED RACING ECU ENGINE BOX PW0 000 HONDA V TEC CIVIC EF8 EF9 B16A 1988 1991
JDM TUNED RACING ECU ENGINE BOX PW0 000 HONDA V TEC CIVIC EF8 EF9 B16A 1988 1991
$278.00
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OBD2A to OBD1 Conversion ECU Jumper Harness Adapter For Honda Civic Accord Acura
OBD2A to OBD1 Conversion ECU Jumper Harness Adapter For Honda Civic Accord Acura
$19.25
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OBD2A to OBD1 Convert ECU Jumper Conversion Wire Harness Honda Civic US SELLER
OBD2A to OBD1 Convert ECU Jumper Conversion Wire Harness Honda Civic US SELLER
$19.99
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OBD2 Performance Chip Save Fuel Gas HONDA ACCORD 1996 2017 ECU Tuner
OBD2 Performance Chip Save Fuel Gas HONDA ACCORD 1996 2017 ECU Tuner
$20.99
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OBD2B TO OBD1 Conversion ECU Harness Jumper Adapter Wire for Honda Civic Acura
OBD2B TO OBD1 Conversion ECU Harness Jumper Adapter Wire for Honda Civic Acura
$16.91
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Honda Acura Spoon obd1 ECU Socket Kit P28 P72 P08 P30 P61 P91 DC2 EK EG SiR Si
Honda Acura Spoon obd1 ECU Socket Kit P28 P72 P08 P30 P61 P91 DC2 EK EG SiR Si
$22.95
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09 10 11 HONDA CIVIC 18L COMPUTER BRAIN ENGINE CONTROL ECU ECM EBX MODULE K2716
09 10 11 HONDA CIVIC 18L COMPUTER BRAIN ENGINE CONTROL ECU ECM EBX MODULE K2716
$95.96
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Honda Civic Engine Control Computer ECU ECM 37820 RNA A66 07 08 09 10 11
Honda Civic Engine Control Computer ECU ECM 37820 RNA A66 07 08 09 10 11
$79.98
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96 97 HONDA CIVIC ECU PCM ENGINE COMPUTER CONTROL UNIT MODULE 37820 P2E 337
96 97 HONDA CIVIC ECU PCM ENGINE COMPUTER CONTROL UNIT MODULE 37820 P2E 337
$49.47
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MUGEN B16A B16A2 CHIP OBD1 ECU P28 P72 P08 P30 Si SIR 2 step Launch civic JDM
MUGEN B16A B16A2 CHIP OBD1 ECU P28 P72 P08 P30 Si SIR 2 step Launch civic JDM
$15.95
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Engine Control Module ECU ECM PCM Engine Control Computer fits 1998 Civic 16L
Engine Control Module ECU ECM PCM Engine Control Computer fits 1998 Civic 16L
$324.02
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BRAND NEW From Honda 88 91 Civic CRX Si OBD0 ECU Computer 37820 PM6 A09 MT 90 91
BRAND NEW From Honda 88 91 Civic CRX Si OBD0 ECU Computer 37820 PM6 A09 MT 90 91
$492.99
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HONDA OEM 03 11 Element 24L L4 ECM ECU PCU Engine Computer Bracket 79820S5DA01
HONDA OEM 03 11 Element 24L L4 ECM ECU PCU Engine Computer Bracket 79820S5DA01
$23.77
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Stage 1 GTE Performance Chip ECU Programmer for Honda Civic 1996 2002
Stage 1 GTE Performance Chip ECU Programmer for Honda Civic 1996 2002
$99.99
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NY357 2 OEM WARRANTY 1996 1997 CIVIC ENGINE CONTROL COMPUTER MODULE ECM ECU EBX
NY357 2 OEM WARRANTY 1996 1997 CIVIC ENGINE CONTROL COMPUTER MODULE ECM ECU EBX
$54.99
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Chipped Vtec P28 ECU OBD1 P30 P73 P72 Civic EG GSR ITR Vtec TURBO D16Z6 P08
Chipped Vtec P28 ECU OBD1 P30 P73 P72 Civic EG GSR ITR Vtec TURBO D16Z6 P08
$129.98
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 2001 2005 Honda Civic 17 OEM Engine Control Unit ECU 37820 PLM L54
2001 2005 Honda Civic 17 OEM Engine Control Unit ECU 37820 PLM L54
$119.99
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HONDA ACURA OEM ECU PLUGS 92 95 OBD1 CIVIC INTEGRA DEL SOL PRELUDE ACCORD
HONDA ACURA OEM ECU PLUGS 92 95 OBD1 CIVIC INTEGRA DEL SOL PRELUDE ACCORD
$17.34
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HONDA ACURA OEM ECU PLUGS 96 98 OBD2A CIVIC INTEGRA DEL SOL PRELUDE ACCORD
HONDA ACURA OEM ECU PLUGS 96 98 OBD2A CIVIC INTEGRA DEL SOL PRELUDE ACCORD
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