need help. richer than hell suddenly

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koukiFC
Posts: 130
Joined: Thu Mar 20, 2008 7:07 pm
Car: 11 Chrysler 200(dd)
88 Rx7(ls swap project)
91 s13(ka-t round 2 project)

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out of no where the ka-t starts running like crap. i am ungodly rich(black smoke pouring at idle). though it was a stuck injector but i still have 3 bars of pressure at idle and i can hear the pump prime and see the diff in fuel press. pulled plugs and cleaned em (black but not wet)and it still spits black. in boost its fine but out its garbage. ive ran this setup for almost 2 months with no issue. also my termps were casrzy low. 60*c from the 80*c i had been running most of the night.

set up is 370cc/255 pump,base time retarded,,ca t25,and other supporting mods.


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jeff420
Posts: 848
Joined: Tue May 01, 2007 9:46 pm
Car: too many to fathom

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what are yo using for tuning? if you say your stock ecu then theres your problem.

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turbo2nr
Posts: 1810
Joined: Wed Sep 28, 2005 3:53 pm
Car: 97 240sx (kouki)

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pull the injectors and check the o rings you may have a torn one.

are all the plugs fouled or just one?

koukiFC
Posts: 130
Joined: Thu Mar 20, 2008 7:07 pm
Car: 11 Chrysler 200(dd)
88 Rx7(ls swap project)
91 s13(ka-t round 2 project)

Post

^all were.

think its the maf due to the fact the cover for the hotwire was cracked so prolly got some moisture in the maf. have a n60 and safc im putting so hopefully i can solve it.

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turbo2nr
Posts: 1810
Joined: Wed Sep 28, 2005 3:53 pm
Car: 97 240sx (kouki)

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yea that makes sense, you can check your maf voltage on your safc to make sure the readings are correct..


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