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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.

Jdm Racing Ecu Engine Computer PW0 000 MT Honda Civic EF8 EF9 B16a Vtec 88 91
Jdm Racing Ecu Engine Computer PW0 000 MT Honda Civic EF8 EF9 B16a Vtec 88 91
$269.90
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HONDA ACCORD ECU TUNER PROGRAMMER 1996 2016 OBD2 PERFORMANCE POWER CHIP MODULE
HONDA ACCORD ECU TUNER PROGRAMMER 1996 2016 OBD2 PERFORMANCE POWER CHIP MODULE
$24.97
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ENGINE COMPUTER ECU ECM FOR CIVIC 1232221 07 08 09 10 11 MAIN ECU 37820 RBB A14
ENGINE COMPUTER ECU ECM FOR CIVIC 1232221 07 08 09 10 11 MAIN ECU 37820 RBB A14
$113.99
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ENGINE COMPUTER ECU ECM FOR CIVIC 1253652 09 10 11 MAIN ECU 37820 RNA A72
ENGINE COMPUTER ECU ECM FOR CIVIC 1253652 09 10 11 MAIN ECU 37820 RNA A72
$128.99
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2008 09 10 2011 Honda Civic Si Engine Control Unit ECU 37820 RRB A12 OEM
2008 09 10 2011 Honda Civic Si Engine Control Unit ECU 37820 RRB A12 OEM
$100.00
Time Remaining: 7h 22m
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ENGINE COMPUTER ECU ECM FOR CIVIC 1451778 06 07 08 MAIN ECU RAN NICE
ENGINE COMPUTER ECU ECM FOR CIVIC 1451778 06 07 08 MAIN ECU RAN NICE
$83.99
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ENGINE COMPUTER ECU ECM FOR CIVIC 1508034 06 07 08 09 10 11 ELECTRIC MTR ECU
ENGINE COMPUTER ECU ECM FOR CIVIC 1508034 06 07 08 09 10 11 ELECTRIC MTR ECU
$113.99
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P28 P72 P73 P30 ECU CHIPPING KIT OBD1 HONDA VTEC CHIPPED JDM B18b B16 B18c ITR
P28 P72 P73 P30 ECU CHIPPING KIT OBD1 HONDA VTEC CHIPPED JDM B18b B16 B18c ITR
$11.95
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STEERING ECU ECM COMPUTER CIVIC 1786926 12 STEERING ECU 39980 TR3 A1
STEERING ECU ECM COMPUTER CIVIC 1786926 12 STEERING ECU 39980 TR3 A1
$128.99
Time Remaining: 7h 44m
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HD1 17 OEM WARRANTY 09 10 11 CIVIC Engine Control Computer Brain
HD1 17 OEM WARRANTY 09 10 11 CIVIC Engine Control Computer Brain
$63.99
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2004 Honda Civic Engine Control Unit ECU ECM OEM 37820 PLM A03 6720
2004 Honda Civic Engine Control Unit ECU ECM OEM 37820 PLM A03 6720
$99.99
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Engine Control Module ECU ECM PCM Engine Control Computer fits 2002 Civic 17L
Engine Control Module ECU ECM PCM Engine Control Computer fits 2002 Civic 17L
$325.33
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2004 04 2005 05 CIVIC 13L HYBRID Engine Control ECU ECM Brain MODULE UNIT K1335
2004 04 2005 05 CIVIC 13L HYBRID Engine Control ECU ECM Brain MODULE UNIT K1335
$76.97
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2011 Civic Engine Computer Module ECU ECM PCM OEM 75K Miles LKQ 140616308
2011 Civic Engine Computer Module ECU ECM PCM OEM 75K Miles LKQ 140616308
$47.00
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2015 Civic Engine Computer Module ECU ECM PCM OEM 18K Miles LKQ 144291279
2015 Civic Engine Computer Module ECU ECM PCM OEM 18K Miles LKQ 144291279
$98.00
Time Remaining: 14h 26m
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92 93 94 95 Civic EX del Sol Si OEM ecu computer harness plugs wires pigtails
92 93 94 95 Civic EX del Sol Si OEM ecu computer harness plugs wires pigtails
$34.79
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2006 Civic Engine Computer Module ECU ECM PCM OEM 106K Miles LKQ 137405375
2006 Civic Engine Computer Module ECU ECM PCM OEM 106K Miles LKQ 137405375
$69.00
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2014 Civic Engine Computer Module ECU ECM PCM OEM 29K Miles LKQ 138049947
2014 Civic Engine Computer Module ECU ECM PCM OEM 29K Miles LKQ 138049947
$77.00
Time Remaining: 17h 47m
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2003 Civic Engine Computer Module ECU ECM PCM OEM 83K Miles LKQ 157626172
2003 Civic Engine Computer Module ECU ECM PCM OEM 83K Miles LKQ 157626172
$73.00
Time Remaining: 18h 28m
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HONDA PRELUDE 92 95 H22 H23 DOHC VTEC CHIPPED P28 G23 H22a ECU
HONDA PRELUDE 92 95 H22 H23 DOHC VTEC CHIPPED P28 G23 H22a ECU
$129.94
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2012 2013 Honda Civic 18L Computer Engine Control ECU ECM EBX 37820 R1Y L41
2012 2013 Honda Civic 18L Computer Engine Control ECU ECM EBX 37820 R1Y L41
$25.49
Time Remaining: 19h 49m
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98 CIVIC 37820 P2E L82 COMPUTER BRAIN ENGINE CONTROL ECU ECM EBX MODULE K5916
98 CIVIC 37820 P2E L82 COMPUTER BRAIN ENGINE CONTROL ECU ECM EBX MODULE K5916
$52.47
Time Remaining: 21h 4m
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OBD2A to OBD1 Convert ECU Jumper Conversion Wire Harness For Honda Accord Civic
OBD2A to OBD1 Convert ECU Jumper Conversion Wire Harness For Honda Accord Civic
$16.14
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CHIPPED P28 ECU + OBD2 TO OBD1 CONVERSION HARNESS PR3 P72 VTEC B16 LS VTEC B20
CHIPPED P28 ECU + OBD2 TO OBD1 CONVERSION HARNESS PR3 P72 VTEC B16 LS VTEC B20
$252.99
Time Remaining: 21h 35m
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