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2002 Volvo S40 Question: after turbo change and battery disconnected for a moth , car has no idle.

 

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Mario Belmar, 1.9L 4 Cylinder Turbo, Miami, FL, March 25, 2013, 11:30
 Rookie

replaced idle control valve ,coolant tem p sensor no help .no codes
at OBS show Mod 1 and Mod 30 not worwing could be ECM bad.removed
idle control valve with sw on valve does not move to open voltaje
dc aprox .90 volts.or need re programing ECM

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