Nissan 370Z Forum - RPM fluctuating at idle issue

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- - RPM fluctuating at idle issue (http://www.the370z.com/engine-drivetrain/106050-rpm-fluctuating-idle-issue.html)

wdkwang

07-28-2015 01:25 AM

RPM fluctuating at idle issue

47k miles on a '10.
When I'm stopped at a light or just idling the car, the RPM would periodically drop to about 450 and then quickly move back up to normal around 700. Car has never stalled on me randomly, but it's been a concern for the last 1.5-2 years that this has been happening. Anyone else have this issue or can provide insight to what the problem may be? Thanks.

DIGItonium

07-28-2015 09:14 AM

Have you cleaned the throttles and/or sensors?

JARblue

07-28-2015 09:55 AM

:iagree:

Time for a throttle body cleaning.

wdkwang

07-28-2015 05:03 PM

I will look into that. Thanks so much guys.

GZ3	07-28-2015 06:24 PM

Clean your maf too

falicfr

07-29-2015 09:27 AM

Quote:

Originally Posted by GZ3 (Post 3269584)

Clean your maf too

:iagree:

SouthArk370Z

07-29-2015 10:03 AM

I'd try cleaning the MAFs first - easy and cheap. If that doesn't make things better, attack the TBs.

chuckie311

08-01-2015 07:49 PM

Clean the throttle bodies then do a throttle body relearn

juld0zer

08-09-2015 07:41 AM

relearn is a must. there is 3 relearns you must do, and follow the steps to a T.

Jsolo

08-09-2015 02:15 PM

Quote:

Originally Posted by juld0zer (Post 3280465)

relearn is a must. there is 3 relearns you must do, and follow the steps to a T.

There's the idle air volume, what are the other 2?

critical

08-09-2015 02:35 PM

x 3 Throttle bodies . I never did a relearn and it fixed it

Jsolo

08-09-2015 11:13 PM

^^What?

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