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10-21-2007, 09:23 PM
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#1 |
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Junior Member
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Installing DOHC F20b in bb6 CKF sensor problem? ECU pins missing?
Ok guys heres the deal!!
Car is a stock 98 Honda prelude! (obd2a) Im going to run a JDM DOHC F20b in it.(obd2 as well) I was going to splice the CKF and CKP wires so i can run the F20b without swapping in a USDM oil pump with CKF sensor.(ckf and ckp are pins c1-c4,c11-c14) I went to splice the wires and for some reason my 98 prelude ecu harness is missing pin outputs c1 and c11 as if it were an OBD1 car.......But my stock H22 does have a crank fluctuation sensor.... So i have JDM F20b in the car using the usdm obd2 harness and dizzy Usdm H22 external dizzy on the F20b obd2-obd1 conversion harness with chipped p06 So using my stock prelude dizzy what can i do to bypass the crank signal? Or am i going to have to swap oil pumps to use the crank fluctuation sensor? THANKS |
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07-29-2008, 02:12 PM
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#3 |
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My name is Byron.
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You = teh failz, check the date next time.
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^ (dont listen) Dont PM me with tech questions. I will not answer them. There is a hidden message here. "Motor swaps, turbo kit installs, diagnostics, minor repairs, minor fab and bodywork. Located in Akron-Canton area PM me for more details." "In the dice game of life who gets the last roll?" |
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01-14-2009, 10:11 PM
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#4 |
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Junior Member
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Back from the dead.
I am working on this right now. I am doing F20B swap into 1997 Accord EX. The F20B does not have sensors on the oil pump. My 1997 Accord motor and harness have sensors on the oil pump. I am trying to figure out where to run the wires from the oil pump to the distributor wires. I don't think Accords/Preludes have CKF. I think CKF sensor is a 2-wire sensor found on OBD2 integras. In my OBD2 PRELUDE service manual, it says the two sensors on the oil pump are TDC and CKP. CYP is found inside the distributor in both OBD1 and OBD2 cars. So I think I just need to run the wires for TDC and CKP into the distributor plug. I have not been able to find any info on Accord or Prelude having a CKF sensor, and I beleive it to be Integra/Civic equipment. |
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01-15-2009, 01:59 AM
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#5 | |
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Brutal Moderator
Join Date: Jun 2006
Location: Rochester Hills, MI
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If you find something I say helpful, please send some rep my way! Also, DO NOT PM me with tech questions! Use the forums so we can all benefit from the answers. I will NOT respond to tech-related PMs... PSN Network ID: BrutalB83 
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01-16-2009, 09:51 AM
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#7 | |
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Brutal Moderator
Join Date: Jun 2006
Location: Rochester Hills, MI
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Quote:
 __________________
If you find something I say helpful, please send some rep my way! Also, DO NOT PM me with tech questions! Use the forums so we can all benefit from the answers. I will NOT respond to tech-related PMs... PSN Network ID: BrutalB83
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01-16-2009, 11:35 AM
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#8 |
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Junior Member
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If you don't have any info to add, why bother posting? I know its a dead thread. There is not very many people that know anything about F20B swap. There is a chance that this guy finally figured it out, and there is chance that he may know what I need to do.
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01-16-2009, 11:46 AM
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#9 |
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Junior Member
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Anyway here is what I have figured out so far
Prelude and Accord do not have CKF! CKF is a sensor found on OBD2 civics and integras. I have not seen this sensor on anything other than B or D series engines. The sensors on the Accord and Prelude oil pumps are CKP and TDC. There is so much misinformation about this online that it confuses everyone. There are 3 sensors on Accord/Prelude distributor or crank depending on the year range CKP - Crank position CYP - Cylinder position TDC - Top dead center On OBD1 era Accord/Prelude in the US these 3 are all found in the distributor On OBD2 era Accord/Prelude in the US CKP and TDC are found on the oil pump. CYP is always found in the distributor. JDM OBD2 era Accord/Prelude motors have OBD1 style distributors with all 3 sensors in the distributor My F20B is 1997-2001 year range and has all 3 in the distributor. I had to run the 4 wires from my oil pump plug into the F20B distributor plug. The F20B plug has 8 wires and I don't have a spot to run the blue RPM wire for the tach through the plug. I need a 9 wire plug I guess? |
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01-16-2009, 01:16 PM
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#10 | |
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Brutal Moderator
Join Date: Jun 2006
Location: Rochester Hills, MI
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Ride: 97 Integra LS Coupe
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Quote:
__________________
If you find something I say helpful, please send some rep my way! Also, DO NOT PM me with tech questions! Use the forums so we can all benefit from the answers. I will NOT respond to tech-related PMs... PSN Network ID: BrutalB83
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