Random Throttle/Power Hesitations

itsEz · 12-22-2015, 06:01 PM

So the past few days I've been noticing some odd/very faint hesitations while accelerating. It's hard to describe the sounds I occasionally hear, almost like a wire rubbing a belt or something. The Z will also go from driving smoothly to faint skips like a heart beating fast and then returning to normal. Any ideas, the main change I can say is that about a week and a half ago I installed the gen 3 stillen CAI. Never had anything happen before, any ideas are appreciated. I've looked around the engine to see if I see anything loose or rubbing but hard to tell. What would cause the engine to feel like a slight loss of footing alllmost like a transmission slip/jerk but being a manual obviously not the case. Help my brothers!!

darkphantom · 12-23-2015, 10:03 AM

It isn't a "limp mode" right? I was recheck all the clamps to make sure you don't have any air leaks, which may definitely be attributed to "bucks."

itsEz · 12-23-2015, 11:07 AM

Yeah that may be the culprit, looking further they aren't straight flush. They do seem to have a small bubble like gap between the tube connector. There's no chance of me installing the wrong tube sides is there? Not in limp mode, usually only makes the weird sounds for first 5 minutes of ride and the bucks just happen randomly spaced out the longer the drive duration mostly in the beginning when they taken frequently

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SS_Firehawk · 12-23-2015, 12:11 PM

Make sure your MAF's are clean and plugged in 100%

itsEz · 12-23-2015, 12:17 PM

Yeah I'll do all that soon as I get home

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darkphantom · 12-25-2015, 12:01 AM

any luck?

itsEz · 12-28-2015, 01:31 PM

Thanks for checking up but had to leave to Houston visit fam and just got back. After the drive back to Tennessee I guess it gave enough time for the computer check engine light to come on

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itsEz · 01-03-2016, 09:35 PM

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itsEz · 01-03-2016, 09:37 PM

Still haven't resolved it. I took them out changed the sensors, I even checked to see if I put them on the wrong sides. If you see the tubes got a dent I'm assuming from the driving I've been doing and it sucked in the pipe. I got a obd reader now so I'll check for the code tomorrow. I'm in the process if installing my audio system so the chairs are out and carpet pulled for insulation. So it'll have to wait until I get everything back on before I put battery back on. Any suggestions on why the pipe bent in?

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Rusty · 01-03-2016, 10:11 PM

Sorry, but engine vacuum did not suck in that pipe. Extra tight hose clamps can do that.

itsEz · 01-03-2016, 10:14 PM

Yeah that's what I was also thinking it was...

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12-22-2015, 06:01 PM	#1 (permalink)
itsEz Base Member Join Date: May 2015 Location: Chattanooga, TN Posts: 59 Drives: 09 Nissan 370Z M6 Rep Power: 10	Random Throttle/Power Hesitations So the past few days I've been noticing some odd/very faint hesitations while accelerating. It's hard to describe the sounds I occasionally hear, almost like a wire rubbing a belt or something. The Z will also go from driving smoothly to faint skips like a heart beating fast and then returning to normal. Any ideas, the main change I can say is that about a week and a half ago I installed the gen 3 stillen CAI. Never had anything happen before, any ideas are appreciated. I've looked around the engine to see if I see anything loose or rubbing but hard to tell. What would cause the engine to feel like a slight loss of footing alllmost like a transmission slip/jerk but being a manual obviously not the case. Help my brothers!!

12-23-2015, 10:03 AM	#2 (permalink)
darkphantom Enthusiast Member Join Date: Apr 2015 Location: Houston, Texas Posts: 425 Drives: 13 Z34 PW M6 Rep Power: 243	It isn't a "limp mode" right? I was recheck all the clamps to make sure you don't have any air leaks, which may definitely be attributed to "bucks." __________________ '13 PW M6 \| Takeda \| ARK GRiP V2 \| H&R

12-23-2015, 12:11 PM	#4 (permalink)
SS_Firehawk Premium Member Join Date: Oct 2011 Location: Tampa Posts: 4,142 Drives: 13' Magma Red Nismo Rep Power: 7335	Make sure your MAF's are clean and plugged in 100% __________________ Old Car:GTM TSC'd 550whp / 410lbft tq @ 11.88PSI New Car: Under Construction

12-25-2015, 12:01 AM	#6 (permalink)
darkphantom Enthusiast Member Join Date: Apr 2015 Location: Houston, Texas Posts: 425 Drives: 13 Z34 PW M6 Rep Power: 243	any luck? __________________ '13 PW M6 \| Takeda \| ARK GRiP V2 \| H&R

01-03-2016, 09:37 PM	#9 (permalink)
itsEz Base Member Join Date: May 2015 Location: Chattanooga, TN Posts: 59 Drives: 09 Nissan 370Z M6 Rep Power: 10	Still haven't resolved it. I took them out changed the sensors, I even checked to see if I put them on the wrong sides. If you see the tubes got a dent I'm assuming from the driving I've been doing and it sucked in the pipe. I got a obd reader now so I'll check for the code tomorrow. I'm in the process if installing my audio system so the chairs are out and carpet pulled for insulation. So it'll have to wait until I get everything back on before I put battery back on. Any suggestions on why the pipe bent in? Sent from my HTC6500LVW using Tapatalk Last edited by itsEz; 01-03-2016 at 09:39 PM.

12-23-2015, 11:07 AM	#3 (permalink)
itsEz Base Member Join Date: May 2015 Location: Chattanooga, TN Posts: 59 Drives: 09 Nissan 370Z M6 Rep Power: 10	Yeah that may be the culprit, looking further they aren't straight flush. They do seem to have a small bubble like gap between the tube connector. There's no chance of me installing the wrong tube sides is there? Not in limp mode, usually only makes the weird sounds for first 5 minutes of ride and the bucks just happen randomly spaced out the longer the drive duration mostly in the beginning when they taken frequently Sent from my HTC6500LVW using Tapatalk

12-23-2015, 12:17 PM	#5 (permalink)
itsEz Base Member Join Date: May 2015 Location: Chattanooga, TN Posts: 59 Drives: 09 Nissan 370Z M6 Rep Power: 10	Yeah I'll do all that soon as I get home Sent from my HTC6500LVW using Tapatalk

12-28-2015, 01:31 PM	#7 (permalink)
itsEz Base Member Join Date: May 2015 Location: Chattanooga, TN Posts: 59 Drives: 09 Nissan 370Z M6 Rep Power: 10	Thanks for checking up but had to leave to Houston visit fam and just got back. After the drive back to Tennessee I guess it gave enough time for the computer check engine light to come on Sent from my HTC6500LVW using Tapatalk

01-03-2016, 09:35 PM	#8 (permalink)
itsEz Base Member Join Date: May 2015 Location: Chattanooga, TN Posts: 59 Drives: 09 Nissan 370Z M6 Rep Power: 10	Sent from my HTC6500LVW using Tapatalk

01-03-2016, 10:11 PM	#10 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 68 Posts: 35,243 Drives: 2011 Nismo GM 6M Rep Power: 2684438	Sorry, but engine vacuum did not suck in that pipe. Extra tight hose clamps can do that. SouthArk370Z and Chuck33079 like this. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

01-03-2016, 10:14 PM	#11 (permalink)
itsEz Base Member Join Date: May 2015 Location: Chattanooga, TN Posts: 59 Drives: 09 Nissan 370Z M6 Rep Power: 10	Yeah that's what I was also thinking it was... Sent from my HTC6500LVW using Tapatalk

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