00 dx hatch gsr swap no start
#1
Honda-Tech Member
Thread Starter
00 dx hatch gsr swap no start
I dont really know how to search for this issue and i have stumped a few people with this. I have a 00 civic Dx hatch with a obd2 gsr swap, running on a stock obd1 p72 ecu, since the swap in june its ran strong, but i plugged in my obd2 p2t ecu for inspection and to see what i would need to pass and came up with three codes, two of which i was aware of o2 sensor, air intake temp sensor and iacv, well today i replaced the iacv and found its an obd1, i ordered the right part and installed it, ran perfect no leaks and started right up, after roughly 10 minutes it just shut off out of nowhere. i found i wasnt getting spark, changed the ignitor in the distributor still nothing, then tried a p28 just to make sure i didnt fry my ecu, nothing, then found out my fuel pumps not priming, i am thinking its my main relay but not too sure. Anyone have any ideas where to start? i dont want to just throw money at it till i figure it out, rather get it right the first time and wonder if anyone has came up with the same issue.
#2
Re: 00 dx hatch gsr swap no start
Have you tried reinstalling your stock obd1 P72 ?
I doubt its the main relay.... double check all you wires on your chassis harness that plugs into the ecu/ecu adapter.... possibly pulled wires loose, and look for wires with nicked insulation....
First place to look is were you were working !
I doubt its the main relay.... double check all you wires on your chassis harness that plugs into the ecu/ecu adapter.... possibly pulled wires loose, and look for wires with nicked insulation....
First place to look is were you were working !
#3
Honda-Tech Member
Thread Starter
Re: 00 dx hatch gsr swap no start
i did try the p72 again, it was running for 15 minutes with it perfectly and then just shut off im going back over everything tomorrow but i just need some idea on what i could be that would kill both spark and fuel
#4
Honda-Tech Member
Re: 00 dx hatch gsr swap no start
Bad relay, your pump not prime but you get spark!!! (but worth check it physically for crack or cold solders)
Try to put a friend Dizzy, maybe your CKP,TDC or CYP are going bad.(rather than the ECU the dizzy is the other culprit for spark cut after start). Sometimes not even throw a CEL.
Check all your grounds.
Try to put a friend Dizzy, maybe your CKP,TDC or CYP are going bad.(rather than the ECU the dizzy is the other culprit for spark cut after start). Sometimes not even throw a CEL.
Check all your grounds.
#5
Honda-Tech Member
Thread Starter
Re: 00 dx hatch gsr swap no start
thanks for the input guys i figured it out got it running again perfectly, my map sensor wire was cut and it shorted the pfm 15 amp fuse -_-
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