12 Common Reason About RPM Fluctuation/RPM Fluctuation While Idling Or Driving

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[onetime]

That's how YouTube videos need to be. No flicking storyline before, no like share subscribe notifications and no sponsors.
Thank you good video.

[KSsoundguy]

Was number 2 for me on my 2011 Silverado 5.3 liter. Only found it after opening the hood before starting the engine in the morning. Coil was wet. After I drove to the parts store that moisture was gone and no evidence of a leaking coil. Engine had a 100-200 rpm variance. I’ve read coils last between 80, 000-100, 000 miles. Mine has186, 000.

[paulgray]

I have a 2016 disco sport that over revs when accelerating in most gears Do you have an idea of where to start to find the issue Thanks in advance

[ilyasalharthy]

If it is a new car, could the spark plugs be the usual suspect? And is it safe to drive the car?

[agriffkc]

Any suggestions on where to start looking when a 2018 ford transit RPMs rev high after driving interstate speeds and pulling hills. It won't stop randomly spiking RPMs even when breaking until the van is pulled over and cooled down. Sounds like the engine is going to blow. Can't get it to replicate for the dealership, only happens in driving down in to the ozarks about 3 hours from our house. No hills near us to replicate it.

[davechambers]

I have a 2008 Nissan Frontier SE V6 4.0L. I have had a new valve cover with gaskets, new plugs, coils, PVC valve sensor, Temp Control sensor, and both intake exhaust sensors, oil and filter change. I’ve used my smoke machine and found no vacuum leaks. The truck runs well and I get good gas mileage. The issue I have is when it’s warmed up at normal operating temp, it idols very smooth at around 600 RPM’s and then every 5-10 minutes the RPM drops to 500-550 RPM’s for a split second and the back up to 600 RPM's. No issues driving at whatever speed limit Im going. No CEL and OBD2 detects no issues. If anyone has any suggestions or advice on what causes this I would appreciate it greatly.

[DeafCatLady]

My first time watching this, im concerned about my new vehicle it not NEW car though, well before got engine light fixed, added two pieces. The rpm was absolutely fine it didnt go up until got it fixed it went up to 2 rpm from 1 is it normal? I want to make sure my car is in good condition no issue at all. I tend to get worried or what IF...

[Tazytots]

I just bought a 2014 Subaru WRX. The RPMs start bouncing (and gently nudging the car forward) regardless of gear at low speeds anywhere between 1k and 2k rpms until I put enough pressure on the accelerator to override what feels like idle searching. Any ideas? I've tried looking this up and some people have claimed that it's the factory tune and that an aftermarket tune can clean it up?

[kevinmahaffey]

I have a 2006 gmc sierra 1500, set cruise control the rpms rocket to 4000, throttle sinks, take off crusie control let the truck downshift and can barely go 35 mph. Is it transmission or fuel or both

[JohnJohn-bcnh]

I got a 1.9 diesel jetta. rpm seems to fluctuate up and down about 100 rpm cruising at 30-40 mph. seems perfectly fine at 50 mph. Idle also is fine... damn cars sick of them....

[guyfawkes]

It says 12 Common Problems, but what's number 6?? It goes from 5 to 7. Wrong Timing to Accelerator Pedal Sensor. What's number 6??

[funhouse]

My 2015 honda odyssey rmps fluctuate while going uphill on normal gear, when a lower gear kicks in for more power, the fluctuation stops. Then again continues while taking off from a stop. Car feels like it needs a bit more power.

[danicraciun]

My 2007 bmw has this problem where my RPMs jump slightly higher and lower for one second only when shifting into neutral. What could it be?

[JustCarMania]

my car rpm goes by 1 point high with slight vibration and when car is in idle and rain wiper is on. This is started happening after I refuel the car that was left with 5 percent fuel in it. The rpm raise happens randomly there is no time sequence, may I know what could be the issue. Mine is 1.2ltr petrol engine

[Rubenn]

Got a mustang 2001 4.6 l, right when I start my
Car it’s at around 2k rpm, I’ve cleaned my idle air control and helped for a bit but the problem
Returned any other ideas I also got a new throttle body cable?

[milky]

it stopped as i was watching the video, good video 10/10 fixes car for me

[kneelanddonnelly]

I have a 2008 pontiac grand prix. When I accelerate, it will sometimes switch to a higher pitch noise like it's in a lower gear. Anyone have anything for that?

[MichaelRoy]

I have this problem only when I try to accelerate but only when the engine gets the working temperature. Everything else before that works perfectly fine. But once the engine gets the working temperature if I try to accelerate hard and push the pedal to the bottom it will give me the power than lose it for around 200RMP's and then go back up again. If someone has any experience with this case please write me. Thank you in advance all.

[planetarian]

My car has a rpm problem. Idk if it’s the clutch or what. When putting your put on the clutch the rpm goes broom like you put your foot on the pedal. I also feel like the idle rpm got a little higher for about 500

[mrclean]

I got a 2008 Subaru FJ motor. headgasket were done at 100K, this started yesterday Where the idle starts a 2k then goes to 1.5 then back to 2k and so on for at least 30 seconds. ive cold started this thing so many time without a problem now when I first start it the idle fluctuates, this never used to happen; any ideas?