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Old 05-02-2012, 07:31 PM   #1
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Default 94 to 95 swap code 640

I have a 94 PA that I swapped out engine and trans. the sensors are all from previous engine except oil level sensor that was not on 95 lesabre. there is a640quad drive module 1 failure code I dont know where to look, I read the evap,egr,fuel system are on this quad,these are OK from 94 engine that was running 201K. The new engine had 57K, and while I was at replacing blown trans. thought I would go the mile any help on where to go next I would be grateful Thank You Pat
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Old 05-02-2012, 09:27 PM   #2
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Disconnect the battery, disconnect the oil level sensor, reconnect the battery and see if that code will come back. Don't reconnect the oil level sensor.
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