engine rpm drop at idle?

Drex

wow, never seen my rpm drop that low

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2011 Nissan 370z | 6MT | Magnetic Black | Sport Package

SouthArk370Z

If you're still under warranty, let the dealer worry about it.

I'm no expert but if this was happening to me I'd try a few things that are easy to check and/or fix.
Dirty air filters. Real easy to check and change if needed. Instructions in Owner's Manual.
Dirty MAFs. Easy to check/clean if you have a few common tools. Spray cleaner is available at most auto parts stores.
O2 sensors. Easy to check if you have an OBD/CAN scanner.
Vacuum leaks. Check all the hoses and fitting on the engine.

An OBD/CAN scanner will also allow you to check other engine variables that might be related to the problem. Good investment if you plan on doing any troubleshooting or mods.

Maybe someone who is an expert will chime in soon.

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Cell

Car has 2400 miles on it and the only mod is a catback exhaust. I think it might be the stock tune.

Sent from my Nexus One using Tapatalk 2

Q8y_drifter

DIY Clean your Throttle Bodies - MyG37

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Cell

Anyone that subbed this. THe answer to fixing this problem is a retune.

After doing my BP kit and loading the base tune, the idle drop is gone.

DIGItonium

I'm over 53k, so I think a good clean is in store especially after over 33k of turbo goodness.

For those with CAI or turbos who has done this, is there much effort in removing the intake pipe without having to take a bunch of stuff apart? I'm lazy lol, so I wonder if there's some leeway in moving it out to make room to remove the TBs to clean them.

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theDreamer

I have found it is the tune, the tuner needs to look at the fuel at idle and make sure the fuel/MAF is dialed in properly. Spent 2 years driving with a bad idle/drop issue and a retune fixed, changed nothing else.

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Voice59

Not only do I get that drop at idle, but as of late it's gotten a little chilly here in VA and now my idle is high at 1k. It's normally around 700. I'm almost positive it's because of the stillen intakes because I also have a check engine light. And for me check engine light goes hand and hand with cold weather. Is the high idle just the car trying to compensate?

critical

had this. just had to clean the throttle bodies. the idle drop was accompanied with a battery voltage drop too.

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DIGItonium

Oh I'm just starting to remember this idle drop. I can hear power to the fuel pump sag as well.

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