Off hand I would say you have a big problem. I haven't imported any cars since the rules changed 15 years ago.

If you are real interested in doing this I know someone still doing this. In the case of OBDII there easily could be NO way to do this. If there are any G500s being made for EOBD I hear that will satisfy US standards.

To give you an example of the complexity of OBDII one only needs look at the misfire detection problem. The way misfires are determined is by very closely watching the engine speed. On a six cylinder engine the actual speed (watched very closely) looks like a sine wave with the speed accelerating and decelerating as each cylinder fires then slows. A single cylinder misfiring causes the speed to continue decreasing beyond one time interval. The problem with doing this dynamically is that the action of brakes and pot holes can give intermittant deviations not misfire related.

Ford got into trouble for rewriting the software for misfire detection to ignore too much of this deviation.

Most new systems now also monitor the ABS sensors and compare deviations to wheel speed to modify the misfire protocols while driving on rough roads. If your car doesn't have an ABS controller and a network prepared to tranfer this data then its impossible to achieve this.

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Steve Brotherton
Owner 24 bay BSC
Bosch Master, ASE master L1
26 years MB technician



[This message has been edited by stevebfl (edited 05-31-2000).]