On my 07 dbw s2000 I installed a kpro dual ecu. It was previously installed in another car and worked just fine so I know it works.

I have the immobilizer disabled and the key rings around the column unhooked.

When I cycle my key on I hear the walbro 255 turn on (its a brand new pump), it pressurizes the fuel rail to 60psi. I push the start button and the car fires up for 3 seconds and then the pressure drops off on the gauge and dies simultaneous.

Then if you go to start again without cycling the key it wont start, but if you cycle the key it pressurizes again. Is this a bad pump? Or an issue with kpro

I have never used krpo before and i tried to do the startup map my self.

Its 07 s2k
kpro dual
1000cc id injectors
sos 4 bar map

I am at a loss...

 

How did you do the basemap? Modified an existing map for injector size?

I can send you one to start up if you need.

 

yes plz do sent u an email. I changed the one they had for 650cc

 

val I uploaded your map and it does the same thing still, primes up and then dies after it loses its primed fuel. Its like the pump does not run once the engine starts.

 

hm that's weird, so at least we know it's not a map issue

did you convert your fuel system to a return style? how is walbro wired? directly or still through the stock wires?

 

Ya its being super weird...

I put the ip return line on.

Pump was wired to a relay, but I thought that was the problem so I put it back to stock wiring and still does the same thing.

It seems like an immobilzer issue. I have it disable but it still makes me wonder if it has something to do with this issue. Primes up but thats it.


I am going to have a friend come over and cycle the key tomorrow and see if I can measure pump voltage. This is the very last thing I need to do before I can get this pile back on the road.

 

Spunkster on the hondata forum things its because I have the immobilizer disabled and the rings un hooked. I dont have a key for this ecu as I bought it used. Maybe I will have to take the car to the dealer to have it programmed.

 

I got it to run, it was the immobilzer. Took honda 3 hours to figure it out lol.

 

So, what did they do then? Glad to hear its running!!

 

Glad it's working!