Nissan/Infiniti Tech SR20DET? RB26DETT? VQ35DE? What's it all mean? Find out here!

i have an sr20det question

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Old Jun 23, 2009 | 11:42 AM
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chask's Avatar
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Default i have an sr20det question

ok well i have been dealing with isssues with the motor seince ive bought it mostly with the idle but i seafoamed the whole car and i also took out my FMIC pipeing and cleaned all the shit in there out and now its idleing pretty good it still drops kinda when i go to brake but i think thats due to my IACV setting becuase i took that screw out and have been playing with the setting to find out where it idles right at.. anyways!!!

now im haveing another problem its done this in the past but idk what to do to fix it but im haveing some hesatation.. like ill just kinda cruze in 2nd gear at liek 2000rpm and it kinda sputters and bucks and shit and when i give it gas it bucks more then finally the rmps will just rise super fast and my car will come to life.. and then sometimes you will be cruzeing and then the same thing will happen and when you go to give it gas even if you step on it.. nothing happens then finally blastoff!!!!!!!! lol

when im at the track drifting its fine becuase im on the throttle alot of the time but when i daily drive its soo bad its soo fucking annoying to daily drive just becuase of that..

idk if it has to do how i setup my oil catch can

or if its a boost leak?? how do i search for a boost leak??

i have no idea if its eaither of those i mean i have checked everything on the car like 4141513 times and then i bought it to z-feaver and they took a pry bar and pryed the fuel rail down and it stoped haveing a surging idle but that was last year now its being stupid again idk what it is
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Old Jun 23, 2009 | 11:57 AM
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you upgrade the wastegate?

Is it possible your tune/map got cleared out?
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Old Jun 23, 2009 | 12:25 PM
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nope its all stock its werid like when i sit in my friends car and we have the exact same setup and i press in the gas at an 800 rpm idle it rises up soo fast with no hesatation

then when i do it in my car the rpms sligly drop down then go up if i press and release the pedal and then if i slam the pedal it takes like 2-3 seconds for it to rev up.. and it kinda sounds like it sputtering and shit its super werid then when i press in the brake pedal it drops the idle superrrrrrrrrr low and wants to die out..
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Old Jun 23, 2009 | 01:08 PM
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???
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Old Jun 23, 2009 | 01:17 PM
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One of mine does the same thing, I just haven't ever fucked with it lol. post up if you figure it out.
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RIP my very best friend. DJ aka djzstang1 you will be missed dearly. I love you bro.

1995 240sx se
1992 240sx
1990 240sx se
1991 240sx hicas sr20det MDX
1991 240sx project coupe
1990 240sx drift beater hatch
1993 240sx sr20det
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Old Jun 23, 2009 | 01:27 PM
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i deff will!! ive been trying to figure it out with outspending as little money as i can... i just got a new fuel pump it still does the same shit.. im thinking of trying a new ecu and maybe a new fuel rail when i get the extra cash.. but if someone has any other ideas feel free to tell me whats up soo i can get an idea!!!
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Old Jun 23, 2009 | 02:23 PM
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I was thinking possibly tps, dirty mafs, maybe boost leak, maybe timing but i haven't ever messed with it, I just like to beat on it.
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RIP my very best friend. DJ aka djzstang1 you will be missed dearly. I love you bro.

1995 240sx se
1992 240sx
1990 240sx se
1991 240sx hicas sr20det MDX
1991 240sx project coupe
1990 240sx drift beater hatch
1993 240sx sr20det
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Old Jun 23, 2009 | 06:44 PM
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idk im soo confused i hate fucking stupid shit like htis
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Old Jun 23, 2009 | 09:16 PM
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lol, I am used to it. its all good now.
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RIP my very best friend. DJ aka djzstang1 you will be missed dearly. I love you bro.

1995 240sx se
1992 240sx
1990 240sx se
1991 240sx hicas sr20det MDX
1991 240sx project coupe
1990 240sx drift beater hatch
1993 240sx sr20det
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Old Jun 23, 2009 | 10:05 PM
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maf, boost leak (pressurize your piping and listen for hissing), tps, dirty ass injectors, clogged fuel rail, hardwire your fuel pump, check wastegate actuator, oxygen sensor/wiring, coolant temp. sensor, it could be a number of things there is rarely ever a magic fix for this kind of thing. Check them one at a time.
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Originally Posted by osama tim laden
because i want to **** your 16 year old ******* on top of a pile of stolen vacuum hose and fuel filters. what did you think?

dont blame shift and make this about me. this is time you could be applying online to be a bagger at publix.

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