Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Failed MD emissions today got a question?

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Old 11-08-2004, 12:31 PM
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Default Failed MD emissions today got a question?

I passed everything except the OBD-2 communication..when they hooked up the OBD-2 connector thing they said it was unable to communicate. I dont understand i just did my swap.. 97 type-r in EK hatch...i dont hav any computer programming or anything except a VAFC-2
Old 11-08-2004, 12:55 PM
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Default Re: Failed MD emissions today got a question? (ek9800)

OBD2 is the "Onboard Diagnostics" system, it's a name for the electronics system of just about any car after 1996. I have no idea how you'd make it work if it isn't already, but one thing that might be a possibility is if you're not running the rear O2 sensor. That'll throw a CEL, and you definitely won't be passing emissions.
Old 11-08-2004, 09:32 PM
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Default Re: Failed MD emissions today got a question? (sscguy)

nah im not throwing any CEL's im just so confused
Old 11-08-2004, 09:36 PM
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Default Re: Failed MD emissions today got a question? (ek9800)

It's probaly the VFAC or either that you have some bad wiring
Old 11-09-2004, 04:50 AM
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Default Re: Failed MD emissions today got a question? (93b16hatch)

If you have a JDM ECU, you are fucked.

JDM OBD2 does not equal US OBD2. Scantools that are able to talk to OBD2 US ECU's will not communicate with 'OBD2' JDM ECU's.
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