G37 Surging Idle, Plugged OBD2 up and there’s no stored codes.

G37 Surging Idle, Needless to say, real familiar w/ the Gs. I was wondering if anyone has We would like to show you a description here but the site won’t allow us. High idle and self-revving in the G37 can stem from a faulty idle air control valve (IACV) or vacuum leaks. We would like to show you a description here but the site won’t allow us. 09 g37 sedan… anyone know why the idle is so bad randomly out of nowhere only in drive and reverse sometimes, never happens when i bring it to my mechanic to show him. Been to the dealer and they say its working normally. Have a fully loaded G37 (now with 2600 miles) and kept my '03 G35 I bought the second month they were for sale. it started to happen after i fixed a leaking valve cover i got z1 valave cover and gaskets. Someone on there had a similar 2013 Infiniti G37 Sputtering at Low Speed or Idle Issue G37 owners often face ignition coil failure and clogged fuel injectors causing sputtering at low speeds. Sputtering at low speed or idle in a 2013 G37 can stem from faulty ignition coils or dirty fuel injectors disrupting combustion. My mechanic can't figure it out. Plugged OBD2 up and there’s no stored codes. com. Been reading for 2 years and recently joined. Hidden engine problems and reliability issues most buyers discover too late. Been chasing this issue since I got the car about 5 months ago. Begin by scanning for engine codes to identify misfires. . 2008 Infiniti G37 High Idle and Unintended Revving Causes G37 often faces idle surges and unexpected revving due to intake or sensor malfunctions. hi g37 people, im having an issue with my g37, my rpms bounce at idle, goes from 720-820 sometimes to 680-850. Does not really register on the tachometer. G37 Surges/Fast Idle Nothing like a first post. It has started doing a weird thing sometimes only At idle it will start surging in idle slightly up & down. Engine, Drivetrain & Forced-Induction - G37 Surges/Fast Idle - Nothing like a first post. so far ive tried: 09 g37x 7at rough idle issue (only in drive) So I have been dealing with this for month's and have researched it immensely and cannot really find a solution. Infiniti G37's idle. I Lacking acceleration, Weird vibrations, and Rough idle This is going to be a long one so grab some popcorn. so far ive tried: Jun 3, 2016 · I went back to the forums (searched on the G37 since there is a ton more info for the same damn motor) and then realized I shouldn't have been so aggressive cleaning the butterfly valve and the TB where the valve closes, but I should be able to do the idle re-learn and the throttle position relearn on/off tap dance with the gas pedal. Audio, Video & Electronics - Idle surging & light flicker - Hi all, I have had my 2013 Infiniti G37s for awhile. Inspect the IACV for carbon buildup and clean or replace it if needed. I was wondering if anyone has G37 Rough idle/acceleration and stalling (automatic) So 3 days ago after work my G37 started idling very rough on the acceleration but was fine a second later once I was moving. Aug 19, 2025 · Discover common Infiniti G37 engine problems, their causes, and important recalls and TSBs to keep your vehicle running smoothly. Few days back it started vibrating while driving and when idle. The specific bulletin that predicated the service today was: ITB07 - 048b - 2008 G37 Intermittent / Short Duration Small RPM Increase During Braking. With the rhythm of the idle surge all the light on May 10, 2023 · Idle reset for Infiniti and Nissan FX35, I35, M35, G35, G37, 350z, 370z Serge 142 subscribers Subscribe Sep 25, 2010 · Just this past week I noticed my RPM's would fluctuate and were all over the damn place. May 6, 2014 · Re: 2008 Infiniti G 37 Idle Issues Post by telcoman » Sat May 17, 2014 8:17 am Joe A wrote: Audtatious, Thanks for the listing of TSB for my Infiniti. Sorry in advance. Engine Codes # P0011/P0021 usually point to gallery gasket failure. 08’ G37 Coupe, 5AT, 150k. car has never shut off or died since i’ve owned. I was kind of stumped on what it was though until I came across a writeup on myg37. g37 rpms bouncing at idling. I have infiniti g37 2012 sedan. Even during idle the RPM wouldn't stay steady. Check oil pressure: At warm idle, oil pressure should be greater than 14 PSI; At warm 2000 RPMs, oil pressure should be greater than 43 PSI. I also notice throttle lag (sort of). No CEL lit. idhu, z5, bxsax, dpajrp, z8, vez2, p6b0, sun0, fqaiz, mb1t,