2012 gmc acadia rpm fluctuation. It's a 2014 acadia SLT with over 200k miles. That said, you shou...

2012 gmc acadia rpm fluctuation. It's a 2014 acadia SLT with over 200k miles. That said, you should experience no change in engine speed if your're driving on a miles long, level table top with no wind and no 'foot fluctuation. Car ran fine for one day now codes P0330, P0324,P0331 & P2099 come up. Visit Everett Auto Team in Hickory #NC serving Winston Salem, Charlotte and Asheville #1GKENNRS0SJ278827 Hello I have owned my 2016 acadia for a couple years now and love it so much I bought another one at an auction sale. Mar 30, 2017 · 2012 Acadia. Any other chances? Hi, I have a 2012 Acadia SLE that has 135,000 miles on it and I have been dealing with the RPM fluctuating for a while now. It's been acting up for a couple months. Dec 31, 2017 · Ok, throttle body thoroughly cleaned, MAF cleaned, PCV orifice drilled out (blocked completely and there was oil in the intake tube), and it's still doing it (surging and RPM fluctuating). May 20, 2025 · A car’s RPM dipping up and down spells trouble. Jun 2, 2020 · 󳄫 Hey y’all , I have a serious question, so I have a 2012 gmc Acadia slt and every time I’m driving and at a consistent speed my rpm’s like to fluctuate can anyone tell me what it could be Jessica Terpening 󰍸 1 󰤦 1 󰤧 GMC Acadia Problems Rich CL󰞋Feb 25, 2021󰞋󱟠 󳄫 Hello! 2017 Acadia SLT2 - having an issue that happens Feb 8, 2023 · A vacuum leak is one of the most common reasons for RPM fluctuations when your GMC Acadia is in Park. Fluctuating engine speeds while cruising or accelerating often hint at problems beneath the surface. Check the video; I've heard/read it could be the ignition coils (thinking about replacing those) Jun 14, 2016 · Engine speed will fluctuate a bit to maintain constant travelling speed depending upon slight rolls (ups and downs) in the road, wind, etc - this is especially true while cruise control is engaged. The shop I took it too said the spark wires were good and cleaned along with a throttle body cleaning. ” It’s only got 65,000 original miles, but the transmission fluid flush revealed the fluid was very dirty and we’re confident the issue is a bad torque converter and transmission control solenoid (it even fluctuates RPMs cruising down the freeway at 60 mph). Keep reading to learn what causes this issue, whether you should Sep 16, 2022 · Uncover the causes behind RPM fluctuations and acquire diagnostic and resolution skills for smoother engine performance. Listen for a whining sound coming from your Acadia’s engine. Start by inspecting spark plugs, ignition coils, and wires for wear or damage. but no fluctuation in idle mode. Got 2011 Acadia with 230k on her been well to me till the other day low oil pressure light came on and also said stop driving. Took it to a shop and they are basically saying it needs a whole Jun 13, 2018 · I have a 2012 Acadia Denali that was experiencing the same issue rpm fluctuation under load. When checked with OBD scanner it is showing fuel pressure sensor issue. They did say the Acadia was Customer: 2012 acadia RPM slightly moving up and down while driving but not when idling Mechanic's Assistant: I understand your 2012 Acadia's RPM is fluctuating while driving, but stays steady at idle. . Thinking it was a gas/air mixture issue I tried swapping coils, spark plugs, cleaning gas tank, and cleaning the throttle body. Has shutter problem no certain speed does it randomly while driving but if u let off the accelerator it will stop. Feb 9, 2026 · Our 2012 Acadia Denali (AWD) has officially developed the “Transmission Shudder. Am being told many different things. The RPM's continue to jump up and down when you hold the speed steady or have it on cruse control. Mechanic's Assistant: I'm sorry to hear about the trouble you're experiencing with your 2012 GMC Acadia. Though unnerving, a fluctuating RPM typically stems from common, fixable issues. ' 2012 GMC Acadia Jerking and Missing at Constant Speeds Acadia often faces ignition misfires and torque converter shudder causing jerky acceleration. Used 2025 GMC Acadia Elevation SUV Summit White for sale - only $36,500. This occurs when engine vacuum pulls air through a faulty seal or gasket into the intake manifold, causing an imbalance of air and fuel in the combustion chamber. GMC Acadia Denali 2012 model showing rpm fluctuation during driving. Changed the Throttle body/position sensor (performed the learn procedure) and that helped a little (had some codes indicating it was an issue). Jerking at constant speeds with RPM fluctuations can stem from ignition components or transmission issues. Customer: 2012 gmc acadia we just replaced bank 2 sensor 2 knock sensor. Typically was occuring between 45-55 mph and will slightly move the RPM tack. Jul 19, 2021 · Subject: Tachometer Fluctuation, Shudder Sensation Models: 2012 Buick Enclave 2012 Chevrolet Traverse 2012 GMC Acadia Equipped with Automatic Transmission (RPOs MH6, MY9) Condition/Concern Some customers may comment on either of the following while driving at steady speeds of approximately 64-96 km (40-60 mph) and 1,500 engine RPM 2012 GMC Acadia Jerking and Missing at Constant Speeds Acadia often faces ignition misfires and torque converter shudder causing jerky acceleration. As drivers, we know our vehicles’ rhythms so deeply that the slightest hiccup raises alarms. Jun 17, 2017 · Within the last month my 2012 Acadia has starting having fluctuating RPM's when driving at a constant speed roughly between 50-60 MPH (1500 RPMs +- 100 RPMs). 2015 Acadia. I did just that and had it towed. jwifixxf udkrc zbbc djdfve doqbta awjcq sitxp iqht jze emz