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15+ Year Contributor
- 408
- 6
- Sep 27, 2003
-
Tuckerton,
New Jersey
I'm trying to help a friend...
He has recently bought a 96 gsx. The car has a few mods, cat back, greddy uicp, it had an afc, i don't know if it has upgraded injectors but i think it does. I plugged my pocketlogger in and i'm getting -13,-17 st,lt fuel trims, 1.12v o2, at idle 700 rpm's the timing jumps 8-19 degrees. the load is at 23% percent. None of this makes sense. I'm getting no vehicle speed reading on the logger, no TPS, and no rear o2 reading. The car drives alrightishhh.. It hesitates till it gets boost at about 14psi its set too right now. Pulled a check engine light for 1400 manifold differential pressure sensor circuit malfunction.
How do i tell if the injectors are stock?? Or if they are upgraded?? Any other suggestions on what's up with this thing??
He has recently bought a 96 gsx. The car has a few mods, cat back, greddy uicp, it had an afc, i don't know if it has upgraded injectors but i think it does. I plugged my pocketlogger in and i'm getting -13,-17 st,lt fuel trims, 1.12v o2, at idle 700 rpm's the timing jumps 8-19 degrees. the load is at 23% percent. None of this makes sense. I'm getting no vehicle speed reading on the logger, no TPS, and no rear o2 reading. The car drives alrightishhh.. It hesitates till it gets boost at about 14psi its set too right now. Pulled a check engine light for 1400 manifold differential pressure sensor circuit malfunction.
How do i tell if the injectors are stock?? Or if they are upgraded?? Any other suggestions on what's up with this thing??
