Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - Extremely Lean After Enthalpy ECU Install

NickS14 · 02-05-2015, 04:22 PM

Hey guys, been in talks with Martin over at Enthalpy but thought I'd turn to the forums for some insight. My current setup is as follows:
T3/T4 Turbo
370cc Injectors (stock SR)
Z32 MAF
Walbro 255
Stock Internals

ECU is tuned for T25/28, 370's, Z32 MAF, 91 octane

After installing and wiring up the new ECU and MAF car starts but runs completely rich on the AFR... Not sure if these ECUs run on an open or closed loop? Also, if have a faulty knock sensor (code) would cause it to pull the timing enough to run completely lean like this?

Here is a video of current running conditions:https://www.youtube.com/watch?v=Aqt1...ature=youtu.be

02-05-2015, 04:22 PM	#1
NickS14 Zilvia Member Join Date: Mar 2012 Location: Voorhees, NJ Posts: 284 Trader Rating: (3)	Extremely Lean After Enthalpy ECU Install Hey guys, been in talks with Martin over at Enthalpy but thought I'd turn to the forums for some insight. My current setup is as follows: T3/T4 Turbo 370cc Injectors (stock SR) Z32 MAF Walbro 255 Stock Internals ECU is tuned for T25/28, 370's, Z32 MAF, 91 octane After installing and wiring up the new ECU and MAF car starts but runs completely rich on the AFR... Not sure if these ECUs run on an open or closed loop? Also, if have a faulty knock sensor (code) would cause it to pull the timing enough to run completely lean like this? Here is a video of current running conditions:https://www.youtube.com/watch?v=Aqt1...ature=youtu.be