Nissan 370Z Forum - Increased oil consumption at ~65K miles?

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Nissan 370Z Forum (http://www.the370z.com/)

- Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)

- - Increased oil consumption at ~65K miles? (http://www.the370z.com/engine-drivetrain/130801-increased-oil-consumption-65k-miles.html)

bunk	05-25-2019 07:48 AM

Quote:

Originally Posted by Misnomer (Post 3855319)

The idle issue returned yesterday, at a drive-thru. I was in neutral, right foot on brake, left foot not touching the clutch. Suddenly the idle got super low/rough with shaking, and she nearly stalled a couple times, and I noticed the battery voltage went from the usual 14 down to 12 (I don't know if that also happened last time). Lasted only maybe a minute or so, but she was so close to stalling that I didn't wait to see if the issue self-corrected: I goosed the gas a little, and as soon as I did the engine smoothed out and the voltage went back to 14.

I'll bring it back to the same shop next weekend; I can't get there today/sooner. Again, both for continuity and because if they didn't tighten something properly (or whatever) I won't pay for the fix.

*sigh*

Sounds like your alternator is failing. Autozone can test this for free. And have them check your battery while theyre at it.

Misnomer

05-29-2019 02:56 PM

Yeah, the voltage/idle thing definitely seems to be connected. I'm paying close attention this week. Instead of driving it back to the shop (22 miles away), I'll probably just bring it to the local NTB and ask them to take a look.

Cyer6

06-16-2019 10:26 PM

Quote:

Originally Posted by JARblue (Post 3852438)

Make sure you trust the shop or at least tell them you need to keep the empty oil container. That way you can at least be pretty sure they used the actual oil you provided. I've heard of the shop guys keeping the Mobil 1 for themselves and just tossing in whatever oil is cheapest.

So glad dad showed me how to work on cars. This is why I refuse to let anyone do routine maintenance work (like oil changes) on my car. I'm worried they'll not put in the right oil I requested, put in too little or too much, forget to tighten the drain bolt or over-torque it, forget to change out the oil filter or put the wrong one in and then not tighten it properly. That kind of **** would keep me awake at night and I would end up doing it all over myself the next weekend just so I could sleep again.

BettyZ

06-16-2019 11:10 PM

Quote:

Originally Posted by Cyer6 (Post 3861485)

I started changing my own oil after some numbnuts at a Midas put my 350Z dipstick in the wrong hole, leaving an open tube. Went for a roadtrip and saw I had 0 oil pressure.

Sent from my SM-G955U using Tapatalk

Quicksilvers

06-17-2019 03:00 AM

Quote:

Originally Posted by BettyZ (Post 3861494)

Everyone here should be doing their own oil changes it’s very easy and there are write ups here on how to do an oil change on a 370Z. Definitely avoid bringing your 370Z to places like Midas, Jiffy Lube,or any quick oil change shop because a lot of these people how work at these places don’t know much about our cars and can quickly screw up your 370Z. I know one person that went to Jiffy Lube to get his oil changed on his STI and the lube technician drained the motor oil but,never changed the oil filter or refilled the motor oil. One day later his engine catastrophically failed and his turbocharger failed as well. :mad:Get your oil changed by anyone but you at your own risk!

Zyonara91

06-18-2019 09:03 PM

I change every 5000 km or every 3000 miles (For you Yanks). I use a KN Gold filter. Oil? I use Motul Xclean 5w30 because it makes me feel good. If you are keeping regular intervals and using a quality filter, any synthetic oil will do.

Spooler

06-18-2019 09:15 PM

Quote:

Originally Posted by Misnomer (Post 3855319)

Has anyone cleaned the throttle bodies or looked at the air filters? This sound like an Idle air control issue that needs to be addressed. The voltage will drop on the gauge as the idle drops. This is a non-issue.

Zyonara91

06-18-2019 09:20 PM

Quote:

Originally Posted by Spooler (Post 3861963)

For those who want to know how to clean the throttle bodies. First watch this:

Then watch this:

After you do this you can go clean the MAF sensors, here's a vid:

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