Engine Flooding at shutdown - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

soawsome · 06-12-2005, 10:31 AM

i just recently installed a GT2871R onto my redtop and and new greddy intake manifold and some new injectors and new MAF and ECU tune ...

I started up the car for the first time and it ran fine and i let it idle for awhile and then i shut it down. i went and started it 30 mins later and it wont start. i took out the spark plugs and they were soaked with raw fuel and so i cleaned them off and pulled the fuel pump fuse and it started up fine and then died after the fuel ran out. i then put the fune back it and i go to start it up and it starts fine agian. but when i shut it down i can hear the injectors do like one more spray after the engine is off. and then i try to start it and its flooded and i have to repeat the whole process agian unless i pull the fuse when its running and then the thing doesnt flood.

i was reading in another post with a guy with the same problem and he just fixed himself and said it was the Temp sensor.... i am not sure where the temp sensor is and if thats the problem.

please let me know any insight that could help me fix this

thanks alot
--steve--

s14brent · 06-13-2005, 12:54 PM

i'm having the same problem right now. =\ i guess i'll go to nissan and pick it up.

ultraDorksGarage · 06-13-2005, 01:48 PM

i post to check that all the time, cuz ive seen a couple swaps where temp sensor wirirng goes crunck or something. if wiring is bad or sensor goes bad, car sorta goes to a limp home where it dumps fuel. whether its ur sensor or wiring, id check it both. this ones stuck in my memory cuz a friend actually paid money to have a shop install gauges, speedo and misc. electrics on a conversion, and they ended up wiring gauges to temp sensor instead of temp probe. he paid like 200 bucks for a crappy job><;

noodl35 · 06-13-2005, 08:45 PM

i would also like to know this answer, as i was configuring my adj. thermostat for my fan, i took out the plug that goes into the temp sensor. I noticed that after i put it back and started cranking, it would flood the motor. I just put the plug back in and cranked while pressing the gas down. After a couple chugs it started up. My question is, why does messing with the temp sensor do people have alot of flooding issues with the motor?

06-12-2005, 10:31 AM	#1
soawsome Zilvia Junkie Join Date: Dec 2003 Location: New Jersey Posts: 358 Trader Rating: (2) Feedback Score: 2 reviews	Engine Flooding at shutdown i just recently installed a GT2871R onto my redtop and and new greddy intake manifold and some new injectors and new MAF and ECU tune ... I started up the car for the first time and it ran fine and i let it idle for awhile and then i shut it down. i went and started it 30 mins later and it wont start. i took out the spark plugs and they were soaked with raw fuel and so i cleaned them off and pulled the fuel pump fuse and it started up fine and then died after the fuel ran out. i then put the fune back it and i go to start it up and it starts fine agian. but when i shut it down i can hear the injectors do like one more spray after the engine is off. and then i try to start it and its flooded and i have to repeat the whole process agian unless i pull the fuse when its running and then the thing doesnt flood. i was reading in another post with a guy with the same problem and he just fixed himself and said it was the Temp sensor.... i am not sure where the temp sensor is and if thats the problem. please let me know any insight that could help me fix this thanks alot --steve--

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06-13-2005, 12:54 PM	#2
s14brent Zilvia Member Join Date: Feb 2003 Location: las vegas Age: 36 Posts: 272 Trader Rating: (0) Feedback Score: 0 reviews	i'm having the same problem right now. =\ i guess i'll go to nissan and pick it up.

06-13-2005, 01:48 PM	#3
ultraDorksGarage Zilvia Member Join Date: Mar 2005 Location: Hawaii Posts: 204 Trader Rating: (0) Feedback Score: 0 reviews	i post to check that all the time, cuz ive seen a couple swaps where temp sensor wirirng goes crunck or something. if wiring is bad or sensor goes bad, car sorta goes to a limp home where it dumps fuel. whether its ur sensor or wiring, id check it both. this ones stuck in my memory cuz a friend actually paid money to have a shop install gauges, speedo and misc. electrics on a conversion, and they ended up wiring gauges to temp sensor instead of temp probe. he paid like 200 bucks for a crappy job><;

06-13-2005, 08:45 PM	#4
noodl35 Zilvia Addict Join Date: Aug 2003 Location: Oklahoma City Age: 38 Posts: 715 Trader Rating: (11) Feedback Score: 11 reviews	i would also like to know this answer, as i was configuring my adj. thermostat for my fan, i took out the plug that goes into the temp sensor. I noticed that after i put it back and started cranking, it would flood the motor. I just put the plug back in and cranked while pressing the gas down. After a couple chugs it started up. My question is, why does messing with the temp sensor do people have alot of flooding issues with the motor?