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ECU made my car overheat!!!

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Old 08-05-2005, 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!
Old 08-05-2005, 12:41 PM
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westcoaststyle
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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?
Old 08-05-2005, 01:00 PM
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Running925
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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?
Old 08-05-2005, 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 08-05-2005, 08:56 PM
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westcoaststyle
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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.
Old 08-06-2005, 09:42 AM
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HatchVX
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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.
Old 08-06-2005, 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?
Old 08-06-2005, 08:35 PM
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goodnight bump
Old 08-08-2005, 08:46 PM
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desperate bump!
Old 08-09-2005, 11:17 AM
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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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