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Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   Engine ping under light throttle (http://www.the370z.com/engine-drivetrain/119686-engine-ping-under-light-throttle.html)

B&W_Evader 03-09-2017 09:23 AM
Quote:
Originally Posted by nis350 (Post 3613134)
Need some expert advice about this issue. It is for our G37S with 7AT.

The car is totally normal at all time with the exception of occasional engine ping during take off from dead stop or slight rolling with light throttle. Car would start fine, idle and run smoothly otherwise.

We just have to let go the throttle for a second and everything would be back to normal. Engine ping never occur under any other situation. My guess is for some reason the fuel mixture become lean and cause the ping.

I have cleaned the MAF numerous times and run through a few fuel system cleaners already. Fresh air filters and oil etc. Car is totally stock.

TIA.
Reread the problems statement... sounds like some knock at 600 RPM under load. I think this would be pretty normal for any high revving engine. You want it to go away, get a higher stall torque converter.

FERRARI 03-09-2017 12:00 PM
I have been using 100 percent ethanol free high test gas in all of my Cars for at least 25 yrs........and btw *******.........you criticized my posts about motorkote.........and you don't know anything about it.......so shut up

Jayhovah 03-09-2017 12:09 PM
Quote:
Originally Posted by FERRARI (Post 3625209)
I have been using 100 percent ethanol free high test gas in all of my Cars for at least 25 yrs........and btw *******.........you criticized my posts about motorkote.........and you don't know anything about it.......so shut up
I feel like I would trade this guy for madeinjapan.

ZoomZ 03-09-2017 12:19 PM
Quote:
Originally Posted by FERRARI (Post 3625209)
I have been using 100 percent ethanol free high test gas in all of my Cars for at least 25 yrs........and btw *******.........you criticized my posts about motorkote.........and you don't know anything about it.......so shut up
:koolaidwall:

Chuck33079 03-09-2017 12:22 PM
Quote:
Originally Posted by Jayhovah (Post 3625220)
I feel like I would trade this guy for madeinjapan.
I wouldn't go that far, but for a guy who claims to have a doctorate, you would think he would be better with this whole written communication thing.

Jayhovah 03-09-2017 12:24 PM
Quote:
Originally Posted by Chuck33079 (Post 3625234)
I wouldn't go that far, but for a guy who claims to have a doctorate, you would think he would be better with this whole written communication thing.
Go easy on him.... his punctuation keys are clearly sticking.

Fuzzzy 03-09-2017 03:50 PM
Quote:
Originally Posted by Chuck33079 (Post 3625234)
I wouldn't go that far, but for a guy who claims to have a doctorate, you would think he would be better with this whole written communication thing.
Chemistry tho

Jayhovah 03-09-2017 04:00 PM
Quote:
Originally Posted by Fuzzzy (Post 3625301)
Chemistry tho
Us nerd-types still have to learn to write clearly... we just don't have to analyze The Catcher In The Rye in some nonsensical way to satisfy a teacher.

I wonder how this guy's thesis read.....

"you guys want to know about...............................chemistry????? ???????????????????????? well listen to me I have a masters......................... and if you dont know anything then shut up!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

Optimiser 03-09-2017 04:22 PM
Quote:
Originally Posted by FERRARI (Post 3625209)
I have been using 100 percent ethanol free high test gas in all of my Cars for at least 25 yrs........and btw *******.........you criticized my posts about motorkote.........and you don't know anything about it.......so shut up
Maybe he a sales rep for Motokote......:wtf2:

Chuck33079 03-09-2017 04:25 PM
And these were his most useful posts. It seems like the rest of his post history is just him calling people homosexual slurs for buying an automatic.

Jayhovah 03-09-2017 04:28 PM
Quote:
Originally Posted by Chuck33079 (Post 3625308)
And these were his most useful posts. It seems like the rest of his post history is just him calling people homosexual slurs for buying an automatic.
Also......are any of us really buying the PHD thing?

ZoomZ 03-09-2017 04:36 PM
Quote:
Originally Posted by Jayhovah (Post 3625305)
Us nerd-types still have to learn to write clearly... we just don't have to analyze The Catcher In The Rye in some nonsensical way to satisfy a teacher.

I wonder how this guy's thesis read.....

"you guys want to know about...............................chemistry????? ???????????????????????? well listen to me I have a masters......................... and if you dont know anything then shut up!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
LMAO.:tup:

Chuck33079 03-09-2017 04:37 PM
Quote:
Originally Posted by Jayhovah (Post 3625310)
Also......are any of us really buying the PHD thing?


Yeah, he's definitely a pretty huge ****.

Trips 03-09-2017 05:41 PM
Alright guys let's keep it on topic!

The useless replies are not helping the Op or others experiencing the same issue.

nis350 03-09-2017 05:57 PM
looks to be the case...

just curious if this type of engine ping for a very short duration would damage the engine?

thank you all for your inputs. :tiphat:

Quote:
Originally Posted by Jhill (Post 3624858)
Cheaper route is to either go with a custom tune for 91 or just accepte that it is pushing timing to the edge at light throttle tip in.


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