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98 Civic lights and engine pulsing when engin running

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  #1  
Old 05-04-2009, 04:25 AM
Dave Richmond's Avatar
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Default 98 Civic lights and engine pulsing when engin running

My son's 98 Civic was stored over the winter and when we put in back on the road all internal and external lights pulse or flicker rapidly and there is a very noticeable surging/pulsing of the engine power (again very rapid cycle of power/hesitation/power/ hesi..and so on).
We check the battery when car is off and the voltage is constant between 12-13 volts. And at the alternator when running the voltage is a constant 14.5 volts.
However when the engine is running and the voltmeter is on the battery the voltage reading is constantly changing for example within a 5 second interval the readings are 14.5v, 10v, 6v, 0, 8v, 14.5v and so on.
Ideas ?

Dave
 
  #2  
Old 05-04-2009, 04:51 AM
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Is fuse #15 under the dash blown?
 
  #3  
Old 05-04-2009, 03:49 PM
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Could just be old gas.
 
  #4  
Old 02-20-2010, 07:09 AM
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What is Fuse #15, I have the same problem with my 1998 Civic EX
 
  #5  
Old 02-22-2010, 03:45 PM
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Originally Posted by RonJ
Is fuse #15 under the dash blown?
What is Fuse #15, I have the same problem with my 1998 Civic EX
 
  #6  
Old 02-22-2010, 04:34 PM
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Originally Posted by DrMartin1
What is Fuse #15, I have the same problem with my 1998 Civic EX
7.5A fuse 15 in the dash fuse box:

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