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Old 05-19-2017, 11:46 PM   #210 (permalink)
husam2012
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Location: Michigan
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Default GT-R turbos on the VQ37

Quote:
Originally Posted by SG4247 View Post
On my constant flow injection system, everytime I open the system up or clean the injectors, i get some air trapped in the lines - which makes it take quite a few extra cranks to start. Sometimes a lot, even had to prime it with gas a few times. (Same process with diesel injection too).

If I think I have flooded it for any reason, I immediately pull a plug and see if its wet with fuel. If it is wet, I pull all the plugs, and crank the engine over with the coils disconnected (to reduce the risk of a fire). Once that is done, I dry the plugs with compressed air, and let the engine sit for a while (hour or so) with the plugs out - so it can evaporate the fuel off the piston and rings. Put it all back togeher and then try and restart it.

I dont ever let a flooded engine sit with fuel in the cylinder hoping it will dry out. That is not good on the cylinder walls as it removes oil. Fuel has alcohols and other solvents in it which may corrode the wall and rings. Not to mention the fuel may drain past the rings into the crankcase and dilute the engine oil.


I just opened two of the spark plugs on separate banks and they looked and smelled dry!
I'm not sure why the car was cranking at a regular speed last night and now it cranks way faster.. I double checked and fuel is reaching the rails. Spark is there also



Quote:
Originally Posted by Jayhovah View Post
I'm not terribly experienced with this in particular, but I don't think you have much chance at getting it to start with the different injectors or the open PCV connection on the intake.... plug that and get a tune from your tuner and I think it could start. I'd imagine they could get you something that would at least start.

I just plugged that pcv connection and tried again and nothing unfortunately. I was hoping to have the car start so I can make sure everything's okay.

I did ask Seb@SZ and he told me that it should start but run rough with GTR injectors.

I'm not sure what i'm missing at this point. Going to read the FSM tonight and try again tomorrow after work.





Edit: I do have a couple codes showing up on my obd2 scanner but mainly because I didn't have the throttle bodies plugged in all the way the first time I tried to start I.

P0228
P0123
P1233
P2101

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Ecutek Master Tuner (VQ37, VR30, VR38, B58, S55, S58)
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Last edited by husam2012; 05-20-2017 at 12:15 AM.
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