CRX HF OBD-0 To OBD1 / Problems

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Old Mar 29, 2009 | 03:34 PM
  #1  
CTR_B's Avatar
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From: RayZilla, WI
Default CRX HF OBD-0 To OBD1 / Problems

I am trying to help one of our fellow members out with his CRX swap.


Details:
1990 Crx
Obd0 oem HF harness with obd1 ecu jumper harness
obd0-obd1 misc jumper harness (Vtec, IAB, Knock, o2,)

Engine
B16A
OBD0 Distributor
Orignal HF OBD0 Injectors


Car has fuel at the fuel filter and spark to the plugs, but when it turns over nothing happens. When it turns over its not a weak crank like if their wasnt any compression.


If you have any info please post it asap
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Old Mar 29, 2009 | 03:54 PM
  #2  
Jwbetley's Avatar
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From: Boston, MA
Default Re: CRX HF OBD-0 To OBD1 / Problems

For one thing, You need an OBD1 Distibutor if your converting to obd1. Try to seach a bit. There is a ton of info on this conversion...

http://www.g2ic.com/forums/showthread.php?t=86612
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Old Mar 29, 2009 | 04:01 PM
  #3  
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From: RayZilla, WI
Default Re: CRX HF OBD-0 To OBD1 / Problems

I Have been searching, I just thought some nice person on here could lead me in the correct direction faster is all.
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Old Mar 29, 2009 | 05:57 PM
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1990hondacrx's Avatar
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From: louisville, ky, usa
Default Re: CRX HF OBD-0 To OBD1 / Problems

well i just did this swap and for jwbetley the car will run it wont rev over 4 grand is all but it will run i would check your timing on it u might have jumped time if it sounds like its turning over very easily. i too have a 90 crx hf. was the car converted to the jdm sir like repined like alternator wire moved and the vtec wire installed so u could use the stock pr3 ecu first??? if so u need to repin it to a stock harness or modify your new jumper harness sence i made my own i just modified it as i went if u need any help please email me and ill help u out
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Old Mar 29, 2009 | 08:19 PM
  #5  
D16SiHatch's Avatar
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From: ohio
Default Re: CRX HF OBD-0 To OBD1 / Problems

Originally Posted by 1990hondacrx
well i just did this swap and for jwbetley the car will run it wont rev over 4 grand is all but it will run i would check your timing on it u might have jumped time
for one, some punctuation would help greatly in being able to decypher what it is you're trying to say. secondly, that ^, is just plain wrong. if you have an obd1 ecu and obd0 dizzy, or vice versa, the engine is not going to run. the ouput signal from an obd0 and obd1 dizzy are different (due to a different amount of gear teeth on the magnetic pickup) and cannot be interpreted by the ecu if the obd#'s do not match.

to the OP: purchase an obd1 dizzy if you ever want your engine to run.
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Old Mar 29, 2009 | 08:49 PM
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93formula's Avatar
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From: Surrey, BC, Canada
Default Re: CRX HF OBD-0 To OBD1 / Problems

yup you need the obd1 dist, case closed.
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