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B16 starting issues

  #1  
Old 12-24-2012, 02:38 PM
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Default B16 starting issues

Hello, i have a 96 civic with a B16A2 swap. (usdm Block with a JDM head) I believe the head is a year 92 or 93 have to double check but i know its a jdm head. Im having some starting issues when i try to start the car. At first i thought it was my main relay that was going bad but i replaced it with a new one and i am still having the same issues all fuses are fine.

I noticed that i have to wait about 5-7 seconds for the fuel pump to prime after turning the key on. if i don't wait it wont start, i have to wait till the engine light comes on and off. I also notice that sometimes when the car is cold i can start the engine fine on the first try. When it is warm it takes longer to start.

Is the ect sensor going bad? if so were can i obtain one for my b16 head since it is a jdm head
 
  #2  
Old 12-24-2012, 02:50 PM
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If you're sure the main relay is OK and all power and grounds are applied, iI'd suspect the ECU itself. People here have had delayed starting from a bad ECU that doesn't always "boot up". Before replacing, double check the harness and make sure the ECU grounds on the engine are secure.
 
  #3  
Old 12-24-2012, 05:38 PM
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Originally Posted by mk378 View Post
If you're sure the main relay is OK and all power and grounds are applied, iI'd suspect the ECU itself. People here have had delayed starting from a bad ECU that doesn't always "boot up". Before replacing, double check the harness and make sure the ECU grounds on the engine are secure.

Ok i see. How many ECU grounds are there and what are the exact locations? I know there is a ground the by thermostat housing which i checked and its good.

Also if my ECU turns out to be bad, what other types of ECU's can i run on my B16? The one i have is a chipped P06.
 
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