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Discussion Starter · #1 ·
It's going to be a busy week with the boss out and a bunch of work to take care of at home, so I thought I'd see if I could save some research time.

Vehicle in question is a 1994 Sunbird 4 cyl. The parts books appear to show different speed sensors between 1991 and 1994. I can confirm the 94 ecm expects more pulses per mile than the 91. I need to know if the 92-94 sensor is gear driven or if it is magnetic and works with a steel reluctor wheel on the trans output shaft.

Unfortunately I do not have any information regarding calibration variables for this ecm and I don't have time right now to start disassembling the code.

Thanks in advance.
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