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Start Up Issues. RESOLVED for now


Mn92gvr4
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Galant VR-4 org Post #: 1214448 posted 08/12/15 04:14 PM     Remind Me!  Send Private Message   Edit Post      
The question is, what triggers the 3 lights in the stock boost gauge when you turn the key to on?
All I get is a solid CEL when I turn the key to on. Unless I first disconnect and reconnect the positive battery lead, then the CEL goes off after 5 seconds or so and I get the boost lights. That only lasts for one start, after starting it goes back to a Solid CEL and no lights. Am I looking at a relay? bad ground? fuse? I've tried everything I can think of.


Edited by Mn92gvr4 (08/15/15 12:30 PM)

Posts: 110 | From: North branch mn | Member Since: 01/11/14 | IP: (96.2.134.194) | Report this post to a Moderator

tektic
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Galant VR-4 org Post #: 1214452 posted 08/12/15 05:05 PM     Remind Me!  Send Private Message   Edit Post      
Check Mpi relay is functional. See if you can connect to the diagnostic port.

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Mn92gvr4
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Galant VR-4 org Post #: 1214453 posted 08/12/15 05:10 PM     Remind Me!  Send Private Message   Edit Post      
MPI relay is functioning properly. I can connect link when all is well but there isn't any codes. when shes in the shitter I cant connect.



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tektic
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Galant VR-4 org Post #: 1214454 posted 08/12/15 05:12 PM     Remind Me!  Send Private Message   Edit Post      
Try another ecu? Have the caps been leaking in yours?


Edited by tektic (08/12/15 05:13 PM)

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Mn92gvr4
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Galant VR-4 org Post #: 1214455 posted 08/12/15 05:15 PM     Remind Me!  Send Private Message   Edit Post      
I just had the caps all replaced when I had link installed. she was clean then she is cleaner now. but that's not the issue. Im not getting power somewhere. almost as if something isn't resetting after I shut the car off



936/1000-almost going places
95 Honda civic notec DD

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tektic
Senior Member


Galant VR-4 org Post #: 1214477 posted 08/12/15 09:03 PM     Remind Me!  Send Private Message   Edit Post      
Start with ignition harnesses then check grounds. If the components work that leaves wires. I got nothing else.

Better yet check from the ecu harness for power and ground and work backwards. That may prove easier.


Edited by tektic (08/12/15 09:08 PM)

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fuel
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Galant VR-4 org Post #: 1214537 posted 08/13/15 08:25 PM     Remind Me!  Send Private Message   Edit Post      
did you check what fault code is being stored by the ECU which is triggering the CEL to come on in the first place?



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Galant VR-4 org Post #: 1214564 posted 08/14/15 12:35 AM     Remind Me!  Send Private Message   Edit Post      
Quoting Mn92gvr4:

Unless I first disconnect and reconnect the positive battery lead, then the CEL goes off after 5 seconds or so and I get the boost lights. That only lasts for one start, after starting it goes back to a Solid CEL and no lights. Am I looking at a relay? bad ground? fuse? I've tried everything I can think of.




Do you have a turbo timer?



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Mn92gvr4
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Galant VR-4 org Post #: 1214686 posted 08/15/15 12:29 PM     Remind Me!  Send Private Message   Edit Post   
No on the timer. At this point it is resolved. I deleted the fuse box that hooks directly to the battery and got nothing. unplugged the ecu and plugged it back in. so far it has been working for 2 days without interruption. not entirely sure what did it tho.
thanks for the imput guys.



936/1000-almost going places
95 Honda civic notec DD

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