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check engine will not communicate rough run

  #1  
Old 11-10-2008, 01:45 PM
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Default check engine will not communicate rough run

Will not communicate with scan tool
SRS light flashing
Rough running
No tach
It all started with bolt on alternator snapping causing bet to slip?
N E help greatly appreciated.
 
  #2  
Old 11-10-2008, 01:50 PM
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Originally Posted by civic2004
Will not communicate with scan tool
SRS light flashing
Rough running
No tach
It all started with bolt on alternator snapping causing bet to slip?
N E help greatly appreciated.
Is it an 04 Civic? Has the alternator or its belt now been fixed/replaced and is the alternator now charging to full capacity? Is the battery fully charged? Are the battery terminals and connectors clean and tight?
 
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Old 11-10-2008, 01:53 PM
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Yes car is fully charged and starting fine
 
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Old 11-10-2008, 01:58 PM
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Originally Posted by civic2004
Yes car is fully charged and starting fine
When you turn the key to ON(II), does the CEL turn ON and then eventually turn OFF? Is fuse 6 or 9 under the hood blown?
 

Last edited by RonJ; 11-10-2008 at 02:01 PM.
  #5  
Old 11-10-2008, 02:02 PM
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No it stays on constant and all fuses are good.
 
  #6  
Old 11-10-2008, 04:00 PM
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could the ecu be fried?
 
  #7  
Old 11-10-2008, 04:48 PM
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Here's how to troubleshoot:

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