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HELP!! Car wont start after ecu swap 2000 civic

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Old 03-24-2012, 12:09 PM
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Default HELP!! Car wont start after ecu swap 2000 civic
SOLVED
b13 yellow/green wasnt fully inserted EPIC



I have a 2000 civic ex... i did the auto/manual conversion

I kept the old auto ecu in... i finally got the manual one

i swapped the auto ECU with the Manual one.. Now the car wont start.

I even put auto one back in and no luck... i checked a few fuses hoping it was something simple but didnt find anything..


any help would be much apperciated
Last edited by jonesEK; 03-26-2012 at 05:31 PM.
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Old 03-24-2012, 12:24 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Don't see how swapping ECUs would cause this. I do it all the time.

What kind of no start we talking about?
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Old 03-24-2012, 12:27 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
cranks but doesnt start
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Old 03-24-2012, 12:30 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Getting spark? Fuel? Mail relay clicking? Fuel pump priming?
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Old 03-24-2012, 12:38 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
fuel pump does prime
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Old 03-24-2012, 12:39 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
What about the rest of it?
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Old 03-24-2012, 02:27 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Originally Posted by grumblemarc
Getting spark? Fuel? Mail relay clicking? Fuel pump priming?
idk about spark but everything else is good...

also the CEL light is solid

EDIT: spark in all 4
Last edited by jonesEK; 03-25-2012 at 05:11 PM.
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Old 03-24-2012, 03:17 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Then you might want to check the spark but I'd check the ECU ground first. Try and pull a code.
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Old 03-24-2012, 03:19 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Originally Posted by jonesEK
idk about spark but everything else is good...

also the CEL light is solid
So you have a CEL?... Pull the code.
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Old 03-24-2012, 06:38 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
wouldnt have anything to do with the alarm would it??
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Old 03-24-2012, 06:59 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Pull neg cable on battery n reset everything
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Old 03-24-2012, 08:28 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Originally Posted by KINGVEM^^ED6
Pull neg cable on battery n reset everything
I tried that b4 i posted
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Old 03-24-2012, 09:06 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
O I c
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Old 03-25-2012, 05:11 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
bump

also checked the ground near thermostat housing
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Old 03-26-2012, 10:17 AM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
up
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Old 03-26-2012, 10:22 AM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Was it starting with the auto ECU before the swap?
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Old 03-26-2012, 10:46 AM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
yes... it was running good... till i put the manual ecu on cuz i need 2 smog soon

only CEL i got was 70-automatic transmission problems
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Old 03-26-2012, 10:58 AM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Try another dizzy?
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Old 03-26-2012, 11:33 AM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
^ yeah i was thinking the same thing... no timing light FML ill try it though
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Old 03-26-2012, 11:51 AM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Should.still start just put it in the middle brah
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Old 03-26-2012, 12:15 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
can you give us exact code off the side of both ecu's? do you have the harness plugged in correctly? a manual ecu will only have 3 of 4 plugs used/available - A,B,C. While the auto has all 4 - A,B,C,D
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Old 03-26-2012, 03:45 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
Originally Posted by dpetro1
can you give us exact code off the side of both ecu's? do you have the harness plugged in correctly? a manual ecu will only have 3 of 4 plugs used/available - A,B,C. While the auto has all 4 - A,B,C,D
I only get a soild code for my auto ECU. for the 5spd ECU there is no CEL. Im pretty sure i plugged in the harness correctly.
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Old 03-26-2012, 04:11 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
car smells A LOT like gas when i crank it
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Old 03-26-2012, 05:30 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
solved thanks erry1 who helped... even vem
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Old 03-26-2012, 05:33 PM
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Default Re: HELP!! Car wont start after ecu swap 2000 civic
What was the problem
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