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engine electrical

  #1  
Old 04-25-2008, 08:36 AM
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I have a 1997 Mercury Sable and have had problems with the engine electrical. The engine stalls and fails to restart. I have changed the Power Module located by the battery, checked the crankshaft position sensor, however the engine keeps stalling. The mechanic does not have a diagnostic computer to scan the system. Should I have it ckecked with the computer?


Guillermo
 
  #2  
Old 04-25-2008, 09:24 AM
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sounds like the fuel pump relay going out or could also be the Idle Air Control valve gunked up. i would pull off the air filter tube and open the throttle butterfly and see how much gunk is in there. the idle air control valve is held on by 2 5/16 bolts. lots of times the piston/valve in there gets gunked and doesnt work righ. cleaning the builup helps lots.
 
  #3  
Old 04-28-2008, 06:40 PM
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Does the engine always start cold, then stall? Check engine light on? Does it stall at idle or while in motion? Does it idle okay? Let me know.
 
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