OBD1 B18C1 in an OBD0 DA integra, with OBD0-1 conversion harness, and P30 ECU...
Car starts up fine...get on the road and pick up speed, then when the engine drop below 2kRPM solid CEL comes on...Then I turn car off and turn it back on and now the solid CEL is gone. Drive again and then when it drops below 2kRPM again the CEL comes on again. What is WRONG!?

Also, when the CEL is on there is no VTEC. Then when I turn the motor off and turn it back on again VTEC works fine until the CEL light comes on again.

 

well finally someone in my shoes...i have obdo da wit obd2 itr..but runnin obdo ecu and dist...the car starts up and idles funny...then when i start to go vtec kicks in and shuts down at 80mph and in 4th gear...iunno what the hell is the matter every thing i search i get no answers or just weird ones so i said f*** this...i called SPD out of calli to inquire on what to do...ima run this new program **** they got so i dont hafta deal wit the honda ecu...its gonna controll everything and put it on a plasma scanner...then run the vtec off at VAFC...and not worry bout nething...so theres my input...prolly didnt help yah

 

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I had a pr3 obd0 that did the same thing. When a obd0 ECU has a light that doesnt blink it means bad ecu. Mine was a bad ecu due to a bad reprogram job i sent it back and he redid it and it worked fine.

 

i know this is prob a dumb question but.....you say that you get a solid cel and then you turn the car off..it goes away...yada yada...but do you jump the service connector in between then cuz when you get a cel its always gonna be solid until you jump the code...just wonderin...

 

yah even wit the code being jumped i still get solid light...but im gonna say F all that and go to stand alone

 

I have the same problem with my car OBD 0- OBD 1 conversion. My Vtec doesn't work , and my C.E.L stays on as well when jumped. Does anyone have any advice??

 

for some reason my vtec kicked on these past couple days...but if you really wanna slove the problem go to stand alone system...if you dont know what that is, its basically u run everything off a labtop, but they have systems out wit this new scanner thing..im gettin it in my teg...i will let you know how it works out for me..