Gas in Oil.. - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

harangatang · 11-27-2007, 09:19 PM

Ya.. so, I was hearing some odd grinding noises coming from my turbo ( I thought). So, I pulled off inlet pipe, checked turbo (it is fine), no oil in intercooler pipes, no noises when I was spinning it.
Put it back together.. And randomly decided to check the oil. It smelled like gas REALLLLLLLY bad. And I noticed the exhaust has been smelling like gas real bad the last few days. So, I know fried onion rings and bad valve seals can cause that, but what else? I checked the plugs, all 4 were dry w/ no build up etc.. I know I should do a compression check again (1st time was ~175 across). But Ill have to go rent 1, cause I dont have one

And btw, I was running stock boost (7-8psi) until about a week ago when I turned it up to 10.

Any help will be appreciated. I have no idea what could be causing this..

SexPanda · 11-27-2007, 09:22 PM

First thing: Compression test the damned thing. Then go from there.

EAT Motorsports · 11-27-2007, 09:42 PM

start it up and listen with a screw driver... find out where the noise is coming from....

projekt_s13 · 11-27-2007, 10:38 PM

Quote:

Originally Posted by harangatang

Ya.. so, I was hearing some odd grinding noises coming from my turbo ( I thought). So, I pulled off inlet pipe, checked turbo (it is fine), no oil in intercooler pipes, no noises when I was spinning it.
Put it back together.. And randomly decided to check the oil. It smelled like gas REALLLLLLLY bad. And I noticed the exhaust has been smelling like gas real bad the last few days. So, I know fried onion rings and bad valve seals can cause that, but what else? I checked the plugs, all 4 were dry w/ no build up etc.. I know I should do a compression check again (1st time was ~175 across). But Ill have to go rent 1, cause I dont have one

And btw, I was running stock boost (7-8psi) until about a week ago when I turned it up to 10.

Any help will be appreciated. I have no idea what could be causing this..

Fried Onion Rings??? hahahahah

Addicted2Kouki · 11-27-2007, 11:11 PM

Quote:

Originally Posted by projekt_s13

Fried Onion Rings??? hahahahah

LMAO!!!!!!!!!!

harangatang · 11-28-2007, 10:36 AM

Quote:

Originally Posted by Addicted2Kouki

LMAO!!!!!!!!!!

ya.. lol. it always makes me laugh too. Except when I am talking about muh car..

Ill see about getting a compression tester after schoolzors.
Anyone else have ideas?

KA-T_240 · 11-28-2007, 10:48 AM

dump your oil and look if there IS gas in the oil. if there is gas in oil, and you didnt/or someone else didnt put it there on purpose. The gas is coming down pass your rings. good chance you have a leaky injector.

harangatang · 11-28-2007, 10:51 AM

Quote:

Originally Posted by mach5camaross

dump your oil and look if there IS gas in the oil. if there is gas in oil, and you didnt/or someone else didnt put it there on purpose. The gas is coming down pass your rings. good chance you have a leaky injector.

if my rings were bad, wouldnt I be getting blow-by?? my intercooler pipes were oil-free..

aznpoopy · 11-28-2007, 01:08 PM

hes not saying ur rings are bad

rings that are fine will not seal against excessive gas flooding into the cylinder
real easy check
drain the oil and see

harangatang · 11-28-2007, 07:43 PM

yes.. there is deff. gas in the oil
I was told by a tech today that it could be the cold start sensor. And I think that is a real good possibility b/c my car has trouble starting if its colder then like 65F. And it would explain the excess of gas also. Opinions?

I wont be able to do a compression test until like sat. work/school tomorrow and friday.

unicoladron · 11-28-2007, 07:49 PM

why would you rent a compression tester?

you can purchase one from any auto parts store for less than $40.

you're probably thinking about a leak down tester which would probably h ave to be rented.

i lost it when i saw fried onion rings lol..

and i didn't realize these engines had cold start sensors? but i guess you learn something new every day.

juls213 · 11-28-2007, 08:00 PM

What the hell is a cold start sensor???
I never heard of this an I am a professional tech lol

harangatang · 11-28-2007, 08:01 PM

Quote:

Originally Posted by unicoladron

why would you rent a compression tester?

you can purchase one from any auto parts store for less than $40.

you're probably thinking about a leak down tester which would probably h ave to be rented.

i lost it when i saw fried onion rings lol..

and i didn't realize these engines had cold start sensors? but i guess you learn something new every day.

Well, I dont know if they do or dont. I was kinda asking @ the same time.

unicoladron · 11-28-2007, 08:03 PM

oh well in that case, R240NA we summon thee.

cold start sensor? yay or nay?

statik · 11-28-2007, 08:11 PM

Quote:

Originally Posted by juls213

What the hell is a cold start sensor???
I never heard of this an I am a professional tech lol

there is no cold start sensor, just a coolant temp sensor which is used to control fuel during startup based on temp

harangatang · 11-28-2007, 08:19 PM

Quote:

Originally Posted by statik

there is no cold start sensor, just a coolant temp sensor which is used to control fuel during startup based on temp

So, I should replace my temp sensor then? Im still running the 1 that came w/ my motor.

KA-T_240 · 11-28-2007, 08:25 PM

no... dont just spend money. there is probably some people on here in dallas that could help you figure it out. More then likely you just have leaky injector or need new injector orings.

something would have to be pretty messed screwed up for that to happen. The gas is more then likely getting into your oil when its not running.

harangatang · 11-28-2007, 08:28 PM

Quote:

Originally Posted by mach5camaross

no... dont just spend money. there is probably some people on here in dallas that could help you figure it out. More then likely you just have leaky injector or need new injector orings.

something would have to be pretty messed screwed up for that to happen. The gas is more then likely getting into your oil when its not running.

LOL.. I totally agree about not just throwing money at it, but a ka temp sensor is like under $10 new from vutozone.

statik · 11-28-2007, 08:34 PM

Quote:

Originally Posted by harangatang

LOL.. I totally agree about not just throwing money at it, but a ka temp sensor is like under $10 new from vutozone.

yeah i believe the ka, z32, and sentra se-r temp sensors all function the same, it can't hurt, especially since you have cold start issues

edit: you bitches should invest in a consult adapter

harangatang · 11-28-2007, 08:39 PM

Quote:

Originally Posted by statik

yeah i believe the ka, z32, and sentra se-r temp sensors all function the same, it can't hurt, especially since you have cold start issues

edit: you bitches should invest in a consult adapter

wtf is a consult adapter?

statik · 11-28-2007, 08:47 PM

Quote:

Originally Posted by harangatang

wtf is a consult adapter?

hooks up to the factory consult port on nissans from ~89-99, its a diagnostics port

http://www.plmsdevelopments.com/consult_if.shtml

nissanguy13 · 11-28-2007, 08:51 PM

Same as everyone else said. Do a compression test, check your injectors, and if you have a few bucks put a new temp sensor on it. Do not fall for the $80 SR ones since the KA uses the same one, and it cost like $15-$25 at any auto part store. Is the exhaust black? How long have you been running the engine? (If it's a recent swap you could have bought a defective ECU etc.)

harangatang · 11-28-2007, 08:59 PM

Quote:

Originally Posted by nissanguy13

Same as everyone else said. Do a compression test, check your injectors, and if you have a few bucks put a new temp sensor on it. Do not fall for the $80 SR ones since the KA uses the same one, and it cost like $15-$25 at any auto part store. Is the exhaust black? How long have you been running the engine? (If it's a recent swap you could have bought a defective ECU etc.)

It has been running for a few months.
And the exhaust, when I or anyone else sees smoke, is white. It hardly ever smokes.

aznpoopy · 11-28-2007, 09:33 PM

Quote:

Originally Posted by harangatang

It has been running for a few months.
And the exhaust, when I or anyone else sees smoke, is white. It hardly ever smokes.

i'm almost postive thats from the excess gas

if you take a sniff it should smell like retarded amounts of gasoline

nissanguy13 · 11-28-2007, 09:36 PM

^^^ Very possible. My old sr would have a little bit of white smoke coming out of the tail pipe and wreaked of raw gas, when it was running rich.

harangatang · 11-29-2007, 03:04 PM

Quote:

Originally Posted by aznpoopy

i'm almost postive thats from the excess gas

if you take a sniff it should smell like retarded amounts of gasoline

very true. My exhaust smells like straight gas
so, compression check, check injectors, and replace the temp. sensor.

11-27-2007, 09:19 PM	#1
harangatang Zilvia Addict Join Date: Apr 2007 Location: Dallas, Texas Age: 32 Posts: 931 Trader Rating: (9) Feedback Score: 9 reviews	Gas in Oil.. Ya.. so, I was hearing some odd grinding noises coming from my turbo ( I thought). So, I pulled off inlet pipe, checked turbo (it is fine), no oil in intercooler pipes, no noises when I was spinning it. Put it back together.. And randomly decided to check the oil. It smelled like gas REALLLLLLLY bad. And I noticed the exhaust has been smelling like gas real bad the last few days. So, I know fried onion rings and bad valve seals can cause that, but what else? I checked the plugs, all 4 were dry w/ no build up etc.. I know I should do a compression check again (1st time was ~175 across). But Ill have to go rent 1, cause I dont have one And btw, I was running stock boost (7-8psi) until about a week ago when I turned it up to 10. Any help will be appreciated. I have no idea what could be causing this.. __________________ Tyler

11-27-2007, 09:22 PM	#2
SexPanda Post Whore! Join Date: Jun 2007 Location: Where ever there is free beer Posts: 3,239 Trader Rating: (0) Feedback Score: 0 reviews	First thing: Compression test the damned thing. Then go from there. __________________ BRAND NEW GReddy PRofec E-01 EBC for sale, Cheap!

11-27-2007, 09:42 PM	#3
EAT Motorsports Zilvia Member Join Date: Oct 2007 Location: Kirkland, WA Age: 14 Posts: 242 Trader Rating: (5) Feedback Score: 5 reviews	start it up and listen with a screw driver... find out where the noise is coming from.... __________________

11-28-2007, 10:48 AM	#7
KA-T_240 Nissanaholic! Join Date: Sep 2005 Location: Moorhead, MN Age: 34 Posts: 1,788 Trader Rating: (0) Feedback Score: 0 reviews	dump your oil and look if there IS gas in the oil. if there is gas in oil, and you didnt/or someone else didnt put it there on purpose. The gas is coming down pass your rings. good chance you have a leaky injector. __________________

11-28-2007, 07:43 PM	#10
harangatang Zilvia Addict Join Date: Apr 2007 Location: Dallas, Texas Age: 32 Posts: 931 Trader Rating: (9) Feedback Score: 9 reviews	yes.. there is deff. gas in the oil I was told by a tech today that it could be the cold start sensor. And I think that is a real good possibility b/c my car has trouble starting if its colder then like 65F. And it would explain the excess of gas also. Opinions? I wont be able to do a compression test until like sat. work/school tomorrow and friday. __________________ Tyler

11-28-2007, 01:08 PM	#9
aznpoopy Post Whore! Join Date: Mar 2003 Location: New Jersey Age: 40 Posts: 5,013 Trader Rating: (1) Feedback Score: 1 reviews	hes not saying ur rings are bad rings that are fine will not seal against excessive gas flooding into the cylinder real easy check drain the oil and see

11-28-2007, 07:49 PM	#11
unicoladron Zilvia Junkie Join Date: Jul 2007 Location: Long Island, NY Age: 37 Posts: 568 Trader Rating: (0) Feedback Score: 0 reviews	why would you rent a compression tester? you can purchase one from any auto parts store for less than $40. you're probably thinking about a leak down tester which would probably h ave to be rented. i lost it when i saw fried onion rings lol.. and i didn't realize these engines had cold start sensors? but i guess you learn something new every day. __________________ 1993 KA24DE for sale with 180k..running when pulled.... need to get rid of ASAP...i'm moving

11-28-2007, 08:00 PM	#12
juls213 Leaky Injector Join Date: Feb 2006 Location: NJ Posts: 95 Trader Rating: (0) Feedback Score: 0 reviews	What the hell is a cold start sensor??? I never heard of this an I am a professional tech lol

11-28-2007, 08:03 PM	#14
unicoladron Zilvia Junkie Join Date: Jul 2007 Location: Long Island, NY Age: 37 Posts: 568 Trader Rating: (0) Feedback Score: 0 reviews	oh well in that case, R240NA we summon thee. cold start sensor? yay or nay? __________________ 1993 KA24DE for sale with 180k..running when pulled.... need to get rid of ASAP...i'm moving

11-28-2007, 08:25 PM	#17
KA-T_240 Nissanaholic! Join Date: Sep 2005 Location: Moorhead, MN Age: 34 Posts: 1,788 Trader Rating: (0) Feedback Score: 0 reviews	no... dont just spend money. there is probably some people on here in dallas that could help you figure it out. More then likely you just have leaky injector or need new injector orings. something would have to be pretty messed screwed up for that to happen. The gas is more then likely getting into your oil when its not running. __________________

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