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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.


 
 
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Old 01-04-2011, 01:36 PM   #1
Russo
 
Join Date: Apr 2010
Location: Long Island, NY
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Lean sr20det and stalling

Hey guys I'm trying to finish up my first sr20 swap in my s14. It's a s13 blacktop sr. The car runs great when it's cold but when it warms up it starts running very lean 18:1+ it idles fine until you give it gas. Even a short blip of the throttle will make it fall on it's face.

It then proceeds to shake violently until it finally dies. I'm honestly stumped with this one I've cleaned the iacv, replaced the maf and honestly don't know where to go from here.

I suppose it could be a bad fpr or something fuel related which would make sense as why I'm running lean. I also put in a walboro 255 and a 300zx tt fuel filter

Any insight from you guys would be great. I really appreciate it

Forgot to mention is seems to run better with the cts unplugged but I literally just replaced the cts with a new one
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