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Old 09-05-2007, 04:16 PM   #1 (permalink)
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CEL bullcrap - Bad ECU?

So I'm trying to get the code from CEL and it keeps doing this. No idea, but a friend on AIM said bad ECU. BTW excuse the ohio accent.

Video here:
http://media.putfile.com/Bullshat-91

For non-viewers, CEL comes on, blinks once, than stays solid. I leave the wires in the clip, try again - same thing. So the question is, whats an ECU going to cost me?

Last edited by Glowlude; 09-05-2007 at 04:23 PM.
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Old 09-05-2007, 04:21 PM   #2 (permalink)
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for an si auto 100-200 depending on where you get it
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Old 09-05-2007, 04:22 PM   #3 (permalink)
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have you cleared the code to see if it comes back

pull the clock fuse from the under hood fuse box for 30 sec then test drive if it comes back and gives the same code i would say bad ecu
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Old 09-05-2007, 04:23 PM   #4 (permalink)
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Also, just talked to someone and they're saying bad 02 sensor. Just concerned about ECU now.
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Old 09-05-2007, 04:24 PM   #5 (permalink)
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30 seconds eh? No, actually I just pulled out - and pushed back in.
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Old 09-05-2007, 04:40 PM   #6 (permalink)
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Apparently I'm the resident prelude mechanic. I dunno about that code. I thought not matter what it does before, if it goes solid, its probably a bad ecu...
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Old 09-05-2007, 06:40 PM   #7 (permalink)
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yeah that is why you clear and retest
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Old 09-05-2007, 07:29 PM   #8 (permalink)
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He did, and did again. Same results. Odd...
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Old 09-05-2007, 09:30 PM   #9 (permalink)
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yeah thats really odd they only time it should be solid when it is jumped is if there is no code at all.

i would definatly put my money on a bad ecu

i used to have one but i sold it about a month ago, i do have an auto tranny controll unit ifyou end up needing one of those
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Old 09-05-2007, 09:33 PM   #10 (permalink)
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I'm selling him one lol....along with a bunch of other crap
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Old 09-05-2007, 10:04 PM   #11 (permalink)
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He SHO is.
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Old 09-06-2007, 06:16 AM   #12 (permalink)
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also make sure you are jumping the right connector. I thought I remember getting a solid cel when I would accidentally jump the wrong connector.
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My 92 Si w/ JDM H22:
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Old 09-06-2007, 07:53 AM   #13 (permalink)
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I have an auto ecu too if you need one $40
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Old 09-06-2007, 02:42 PM   #14 (permalink)
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I jumped the connector with 3 port holes.
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Old 09-06-2007, 03:18 PM   #15 (permalink)
 
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That's the wrong one. The one you're looking for is blue and has two holes.
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Old 09-06-2007, 06:00 PM   #16 (permalink)
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yeah thats your prob blue conector with 2 pins
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Old 09-06-2007, 06:51 PM   #17 (permalink)
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Wow - Didnt realize that. I saw a tutorial on preludezone.com and he used the three port connector.

Well, thanks for the information. Ah, the difference between a paysite and a free site.

Thanks again guys.
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Old 09-06-2007, 07:54 PM   #18 (permalink)
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cool...I actually helped!
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My 92 Si w/ JDM H22:
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Old 09-10-2007, 05:22 PM   #19 (permalink)
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Well, just did it and it blinked 6 times...according to a thread on preludezone.com, thats my Engine coolant temperature, ECT sensor. Now, only to find one.
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Old 09-10-2007, 05:28 PM   #20 (permalink)
 
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I was about to say. If you had a bad ecu you would be able to do anything. When i watched the video it didn't seem right. Well you got the help of jumping the correct connector. Good luck with fixing the problem. Temp Cool sensor isn't that bad.
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