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Old 12-11-2008, 11:05 PM   #1
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Default Engine swap check engine light

Hello. I have a 1994 Civic. I swaped out my d series engine for a b18c. Its a JDM GSR. I keep throwing a engine light for a knock sensor. I changed the sensor, and it didnt fix the problem. I had to wire the vtec and other needed wires for my swap. I purchased a swap harness kit that had all the needed wires in a sub harness that just plugged into the ECU. All the wires look good and are stongly connected to the ECU. Light will not go out. Any info or tips would be great.
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Old 12-12-2008, 07:46 AM   #2
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what ecu are you running?
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Old 12-12-2008, 02:40 PM   #3
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can u tell me how to wire the vtech
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Old 12-12-2008, 02:48 PM   #4
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Quote:
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can u tell me how to wire the vtech
nope, but you can do a search. it's posted a million times on this forum.

oh, and start your own thread.
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Old 12-12-2008, 06:58 PM   #5
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The serial number is 37820-p72-013 972-104641. It was the one that came with the engine when i bought it.

Last edited by kustomcarbuilder; 12-12-2008 at 07:27 PM.
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Old 12-12-2008, 07:27 PM   #6
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Its a P72 with OBDII and engine code is B18C.
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Old 12-13-2008, 02:55 AM   #7
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Make sure you have the knock sensor wire connected on the correct pin location D3=KS for Obd-1 only.
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Old 12-13-2008, 06:21 PM   #8
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Where should the wire be? My civic is OBDI and my engine is OBDII but i got the OBD converter harness.
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Old 12-16-2008, 12:12 AM   #9
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Anybody got any other tips?
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Old 01-04-2009, 08:22 PM   #10
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Quote:
Originally Posted by kustomcarbuilder View Post
Where should the wire be? My civic is OBDI and my engine is OBDII but i got the OBD converter harness.

dont quote me on it but i believe if youare running and obd1 you can disable the knock sensor without any engine effects this will take away the engine light. some people have to do this when using p28. liek i said dont quote me but look into it i think it may be your issue
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Old 01-04-2009, 10:59 PM   #11
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Knock sensor in correct spot. What else could throw the code? My buddy metioned to just disable the knock sensor. Is that worth the time and engine?
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Old 01-05-2009, 07:21 PM   #12
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i think its manditory with no ill effects on a jdm motor
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Old 01-08-2009, 04:50 AM   #13
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Just disable it won't affect your performance
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Old 01-09-2009, 08:18 PM   #14
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Default How do I disable the knock sensor

How do I disable the knock sensor on a JDM engine any links with pics and instructions would be great?
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Old 01-11-2009, 04:56 AM   #15
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Knock sensor is disabled on the eprom inside the ecu meaning it would have to be chipped.
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