Thread: ECU and code reading.
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Old 05-23-2002, 08:21 AM
stevebfl stevebfl is offline
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As Doc pointed out there are no retained codes in memory on early federal cars. They do have real time fault codes as expressed in On -Off ratio testing. It can be read off pin #3 in the diagnostic connector on the left fender. There is a special tool but it can be read with a scope using the technique explained in the DIY article "evaluating engine controls".
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