Thread: flooded turbo engine

Hey fellas, me and my buddies swapped a p11 lowport into my 94 g20t a couple of weeks ago and I added a bluebird t25 kit w/ 370cc injectors,walbro 190 lph fuel pump, nismo fpr, bored maf, jwt 4 bar ecu, 2.5" dp and exhaust.

Car ran great for two weeks. Two days ago, I noticed I was getting some smoke from the exhaust thinking it was burning oil. Changed the oil yesterday and switched to 20w-50 synthetic and added the RESTORE additive. The smoke went away.

Today, was driving the car normally and heard a pop from the exhaust and started spitting out a lot of smoke and then the car stalled. Checked the fuel pump wiring and it was fine. Turned the key on engine off, and I was only getting 30psi instead of 52 then it would just drop to zero fast. Went to crank it and nothing.Motor won't turn over at all.

Had it towed to my house to further diagnose the problem and turned the crank with a ratchet, and it would spin counterclockwise. So after turning, went to start the car and it would only crank less than halfway. So me and my boy are stumped at this point. Called my buddy axion4888 and he said check the spark plugs. Took off spark plug in cylinder one and FUEL started pouring out of the cylinder like a river, no word of a lie. Took off s.p. in cyl. 2 and it was normal. Cylinder 3 was flooded also, cylinder 4 is normal.

I have never seen sh*t like this before were fuel just flows out of the cylinders like a river. I'm thinking my injectors are toast but need to further diagnose. I also think the motor's junk because most likely, fuel washed the cylinder walls already.

Has anybody experienced anything like this on there sr20's? Any help would be great. Thanks in advance!

So are you saying you aren't able to turn the car over? If you have fuel "coming out like a river" when you take the spark plugs out of the head you have hydrolocked it with fuel. Meaning that fuel was entering the cylinder and not being fired.

Chris.

there could be two possible situations there, injectors are stuck in open cycle or injector 1 and 3 has cracked o-rings and your just flooding the pistons, it has happen to me also.

just remove the plugs and turn over the engine to clear out the fuel and make sure you have the distributer disconnect. and check out the injectors, pull out the rail and turn the key to give it pressure if yo see fuel run out ten you know its the o-rings.

i hope that helps you man.

91b13det- Ya, I'm thinking the motor hydrolocked with the fuel. I was going 20 mph when it happened.

NissanFan60- that's exactly what I plan on doing tomorrow. Also, if I unplug the injector harness and put fuel pressure on the injectors and they run out, does it also mean the injectors are junk?

Thanks for the input fellas. Hopefully this motor's still good, I'd hate to swap two motors on this g20 in a month.

No problem, Also what do you mean and the injectors run out?

Chris.

What I meant was, if I unplug the injector harness and put fuel pressure on the injectors and they spray, does it also mean the injectors are junk?

No. They will spray.


Chris.

like someone said above, check your lower o-rings to your fuel injectors in the fuel rail

Thanks for the quick replies. This is the reason teh dash is better than the regular forum

your welcome bro, just try that and see whats wrong, most likely it would be your lower o-rings.