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-   Mechanical Problems & Technical Chat (https://www.hondacivicforum.com/forum/mechanical-problems-technical-chat-8/)
-   -   crank, no spark, no fuel, good fueses, good main relay (https://www.hondacivicforum.com/forum/mechanical-problems-technical-chat-8/crank-no-spark-no-fuel-good-fueses-good-main-relay-83757/)

edmaxx 06-28-2010 12:17 AM

crank, no spark, no fuel, good fueses, good main relay
 
alright,1992 honda civic hatch, d15b8 p05 ecm. so i was working on wring a a fuel level gauge when i touched my + to my neg wire to my fuel pump. ive checked all i can think of, my fueses are all good and i got a new main relay, my wires are good, checked those, if i wire 12v to the fuel pump it runs but the car wont spark now? bad ecu? i cant even find my map sensor i dont even know if i have one to be honest? please help!!:eek:

edmaxx 06-28-2010 12:19 AM

bump..

94civichatchback 06-28-2010 12:24 AM

recheck ur fuses

edmaxx 06-28-2010 12:27 AM

ive checked every fues twice today, and looked at my wiring diagrams and checked all my fuel fuses. it seems like the ecu wont send a signal to the main relay to run the fuel pump? no signal from the wire from the ecu, but if i use a jumper wire it will run the pump. new relay too...

94civichatchback 06-28-2010 12:34 AM

there is a 30 amp fuse under the dash that runs the fuel pump and ecu

edmaxx 06-28-2010 12:36 AM

ill go check again bro, i appreciate the help by the way. ill post again in a sec

edmaxx 06-28-2010 12:40 AM

ok i had two and i checked both one was to the far right, right of 11, and one was 2 i think and their both good

94civichatchback 06-28-2010 12:45 AM

and the fuses under the hood are good??

edmaxx 06-28-2010 12:47 AM

ya i changed one just because it looked black, but it made no diff. if its a fues im not seeing it, i checked them all. could it be my ecu?

94civichatchback 06-28-2010 12:51 AM

i doubt its the ecu, usually a fuse will blow. under the dash is a 30 amp fuse that is on the side of the fuse box, that should be the ignition fuse its what sends power to the ecu and fuel pump, do you have a test light?


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