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ECU / No start 850

2 thoughts:
1) My 93 850 Auto had multiple non-start issues. The first one was a break in the wiring harness while I was in college. The second involved a pressure switch in the ignition, kind of a predecessor to today's "smart" keys. I sold mine a few years ago, so I'm going by memory here. Remove the clam shell around the steering column and pull the ignition cylinder out, clean all the electrical contacts with contact cleaner (radio shack) and reassemble.

Secondly...I don't know if Volvo has one, but my Acura has a clutch sensor to ensure the clutch is engaged in order to start the car. If Volvo used one in yours, did you check this?

Jon






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