need help car runs rough

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nissan2787
Posts: 56
Joined: Tue Sep 11, 2007 6:35 pm
Car: 91 s13 redtop sr20det d-maxx coilovers welded diff and everthing else in between

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hey guys ok i have a 91 ka24de-t and it is running really really really rich i mean so rich that it smells like its leaking and as a matter of fact it is leaking but through the exhaust manifold and at every bolt flange through out the piping. need help please why would the car be gving so much fuel my maf is brand new well used but new lol and and what do you think i should have my spark plugs gapped to to burn this excess fuel plus the head was shaved alot so my compression readings in every cylinder is 225 lmao please give me a few ideas or just point me in the right direction. thanks guys.


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480sx
Posts: 4085
Joined: Sun Nov 12, 2006 5:27 pm
Car: 1996 Pearl White 240sx

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We have no idea what your setup is dude.. You gotta give us some basic information if you want help. Lots of things can cause a car to run rich. When did all this start?

Also, stay at low boost levels or you will blow the engine with that high compression.

Florida240sx
Posts: 11114
Joined: Thu Jul 01, 2004 7:17 am
Car: 1993 Nissan 240SX Hatch 5spd
2012 Nissan Altima S coupe 2.5
Location: DeLand FL

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if you see gas you got a leaking injector somewhere.check your injectors before you spin a rod bearing. smell your oil

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nissan2787
Posts: 56
Joined: Tue Sep 11, 2007 6:35 pm
Car: 91 s13 redtop sr20det d-maxx coilovers welded diff and everthing else in between

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hey i am running a t25 and no fuel tuning just bone stock with stock maf and i really dont think my spark plugs are burning the fuel plus all new injectors and they all ohm out correct. i do not have colder plugs yet and they are not gapped tighter all data said that the head was not supposed to be cut that much anyways. im trying to fix this problem without buying another head which is also no biggy


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