Cars interesting problems- need ideas

phunk · 11-10-2014, 01:17 AM

^ that is why I would like to see a better log... without RPM and speed showing, I cant tell if they are flooring it at 1500rpm in 6th, or if this is something that is happening in low speeds low gears

juld0zer · 11-10-2014, 04:39 AM

if you dont mind, can i direct you to my thread regarding this problem? i uploaded some logs there: HELP! Severe acceleration lag

you can tell what i was trying to do in the logs by the vehicle speed, accelerator position etc. Please feel free to ask questions for more info as i want to sort out this issue not just for myself but for the community here as a reference point.

Just as a brief preface to viewing the logs, i limped the car home and tried extremely hard to not stall the motor because stalling and restarting would mean the fault vanishes. I dont stall often but when this lag hits, it's very easy to stall if you aren't aware of it. After limping home to get my laptop and cable, i went around the block to some slightly hilly sections where i attempted to accelerate from a standstill. I then tried to see if i could still access the upper rev ranges because folks stated they experienced a 3500rpm fuel cut. It did reach redline but it took forever compared to how it would normally behave. I literally ran out of road before i reached redline.

11-10-2014, 01:17 AM	#1 (permalink)
phunk A True Z Fanatic Join Date: Mar 2009 Location: Chicago Posts: 3,669 Drives: 370 Rep Power: 974724	^ that is why I would like to see a better log... without RPM and speed showing, I cant tell if they are flooring it at 1500rpm in 6th, or if this is something that is happening in low speeds low gears __________________ Charles @ CJ Motorsports : Website \| Facebook \| Instagram \| YouTube Home of the 9 second, stock longblock, stock drivetrain 6MT 370z. 9.91 @ 142mph

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11-10-2014, 04:39 AM	#2 (permalink)
juld0zer Enthusiast Member Join Date: Nov 2012 Location: Sydney Posts: 428 Drives: 11 Nissan 370Z MB M6 Rep Power: 139	if you dont mind, can i direct you to my thread regarding this problem? i uploaded some logs there: HELP! Severe acceleration lag you can tell what i was trying to do in the logs by the vehicle speed, accelerator position etc. Please feel free to ask questions for more info as i want to sort out this issue not just for myself but for the community here as a reference point. Just as a brief preface to viewing the logs, i limped the car home and tried extremely hard to not stall the motor because stalling and restarting would mean the fault vanishes. I dont stall often but when this lag hits, it's very easy to stall if you aren't aware of it. After limping home to get my laptop and cable, i went around the block to some slightly hilly sections where i attempted to accelerate from a standstill. I then tried to see if i could still access the upper rev ranges because folks stated they experienced a 3500rpm fuel cut. It did reach redline but it took forever compared to how it would normally behave. I literally ran out of road before i reached redline.