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ECU made my car overheat!!!

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Old Aug 5, 2005 | 12:40 PM
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imnot4n
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Default ECU made my car overheat!!!

Hello all,

My name is Josh, and I just recently purchased a p28 ecu off of ebay. I had a d16z6 swapped in my 4dr DX in November and never got around to replacing the ecu. I finally did it, and put it in today. When I unplugged the p06 I had been running, and put the p28 in, my check engine light came on. I thought nothing of it, which I should have, but im stupid for that. After driving for about 20 minutes, pulling up to a friends house I noticed my heat gauge was all the way up! HELP!
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Old Aug 5, 2005 | 12:41 PM
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A virgin P28 or is it chipped?

What code is it? Does the numbering on the sticker on the ECU actually say P28?
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Old Aug 5, 2005 | 01:00 PM
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somehow i have a feeling that the CEL & the over heating problem may not be related.. u'r gonna have to tell us what code your throwing & get a little more detailed about the problem.

ECU details?
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Old Aug 5, 2005 | 07:47 PM
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Ok so i messed up in the post, here goes.

OK sorry for not knowing everything about my car. the code is as follows:

37820-P28-A02
760-321260 AWL


Here is the link to the auction on ebay if it matters...
http://cgi.ebay.com/ebaymotors/ws/e...%3AAAQ%3AUS%3A1


From the little knoweldge that I do have of my car, I do know that I still need the vtec solenoid to have working vtec. If need more info to help my problem, please be more detailed for the deatails I must give to you. Attached is what I believe is the plug for the vtec solenoid. Thanks. Have a nice day.
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Old Aug 5, 2005 | 08:56 PM
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Look in the online resources sticky to get the instructions to check the Check Engine Light (CEL) codes.

Looks like the VTEC solenoid isn't even connected. Look for a connector laying around somewhere and plug it in. Checking your codes for the CEL would give us the most understanding of the problem.
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Old Aug 6, 2005 | 09:42 AM
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My guess is that u are using a DX harness right? U need to either get a SI harness or wire in the vtec wires.
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Old Aug 6, 2005 | 10:42 AM
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Default vtec is the problem

OK so i jumped the switch to see the cel code(s), and the code came out to be 21, which is the vtec spool solenoid valve. So what are my next steps?
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Old Aug 6, 2005 | 08:35 PM
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goodnight bump
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Old Aug 8, 2005 | 08:46 PM
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desperate bump!
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Old Aug 9, 2005 | 11:17 AM
  #10  
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i will keep bumping until i find an answer! BUMP!!!!!

Why did my car overheat when I put in the p28?
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