Accent RB (2012+) :: RPM Goes Up And Down During Idle


Aug 17, 2016

I have rpm fluctuation when i put in idle after warming up the engine . I've done cleaning the throttle valve ,change the alternator and change battery.

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Accent RB (2012+) :: High Idle Noise When Start The Car

I just picked up a 2014 Accent GLS and I have a question about it, this being my first Hyundai. When I start the car it has what to me is an unnaturally high idle noise. For the first minute or so it idles around 2000rpms then slowly works its way down. There is also a loud almost clicking noise from the engine. It has just under 3k miles on it so it's still a new engine. Is this something I should be concerned about or is it just the tenancy of this particular vehicle?

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Accent RB (2012+) :: Will Not Idle - Engine Light Remaining On

My 2012 will not idle. The diagnostic computer reported bad CAM SHAFT SENSOR. Changed the sensor but still will not idle. Engine light remains on.

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Accent RB (2012+) :: Idle Speed Around 900 RPMs When Put Car Into Neutral To Coast

Im curious if this is normal or not. When I'm driving and I put my car into neutral to coast, the idle speed is at around 900rpm. When I come to a stop, the idle will drop to around 650rpm. Is this a design feature? I wish the rpm would drop more to conserve on gas while I'm coasting!

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Accent RB (2012+) :: Engine Vibrate More Than Usual When Stand At Idle

Sometimes when I stand at idle, the engine seems to vibrate more than usual. I looked at the RPM gauge and it didn't move at all, it's at roughly 1000-1100 RPM when it occurs. Is it something I should show to the dealer?

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Accent RB (2012+) :: Rough Idle / Mild Shaking When Cold

I bought my 2012 Accent a few months ago. I have been noticing that when its cold it has a bit of a rough idle. Nothing bad, no reving, but just a general mild shaking. No check engine light either. It happens in park, reverse, neutral, and drive. It stops and runs smooth after a few mins of driving. Since I bought it I have been using Top Tier gas and a bottle of gumout at oil change. Could it be just the way the engine is, since it is a small 4cyl? Like I said its not bad or affecting the way it drives, just seems strange to me.

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Accent RB (2012+) :: Car Started To Surge / Rough Acceleration Or Idle

While driving on the freeway my car started to surge as if it was starving in fuel. I had to press more gas to go the same speed. My gas tank was at a 1/4 full so I pulled into the gas station to fill in gas. As I was leaving my car could not accelerate while pressing the gas pedal. I could floor the gas and it would go only five miles an hour! The engine temp was okay, no engine lights, and no weird smells. I was fortunate to be close to home and slowly made it letting cars pass me on the side. I called the road side service who towed my car to my dealer. They checked for codes, ran fuel injector cleaner twice through the system, checked the fuel pump, and the pressure on the fuel system, no problems. The third day they gave me a Sonata for a loaner and I allowed the service manager to drive my car to see if the problem reappeared. No problems found and I picked up my car today. The problem hasn't reappeared yet but I am keeping track of any rough acceleration or idle.

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Accent RB (2012+) :: Whistle Type Of Sound When Idle And AC / Defogger Is On

Got my Accent on June 30th, has 8500km on it already and I love my car.

Recently, I've noticed a sound coming from the passenger side when stopped at lights or when I've just parked. Best description would be a bit like a crackle (liquidy/whistly type of sound). Only happens when the A/C/defogger is on.

It's not very noticeable, I only hear it when I don't have the radio on, but it's been bothering me. I found a few posts about a rattle, but from what I can remember, it's not really a rattle.

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Accent RB (2012+) :: Steering Wheel Vibration At Idle And Small Changes In RPM

I just recently bought my wife a 2013 Accent GS HB to Drive with 11k on the odometer and we have noticed what I think is excessive vibration at idle and small changes in RPM (Not like Hunting but on a smaller scale). Is this normal? I have driven the Prius for about a year now and I just think I'm a little too sensitive going from an engine that doesn't run at idle or at stops to one that does. I read other owners having the same experience, and to me it feels like a possible motor mount. At speed it's fine but I was just curious. We love the car regardless but it's still something that we wonder is normal.

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Accent RB (2012+) :: 2014 - RPM Stalls Then Comes Back Every 2 Seconds At Idle After One Hour Driving

I have rpm stalls then comes back every 2 seconds at idle After one hour driving . Whitout any error code and no check engine . I checked all the sensors and even changed alternator and throttle body completely. No I suspect to crankshaft position sensor .

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Accent RB (2012+) :: Rough Idle / Stall At Stops And Tough Time Accelerating

Noticed this to be a problem with our older 2011 Accent, now with the 2012 Accent.

The car has a rough idle usually in mornings, it seems like it is going to stall at stops, it also has a tough time accelerating.

The computer scan does not show there is anything wrong until the problem becomes worse.

This is what I have discovered through the 2011 Accent. Car will stall at stops. Very inconvenient in rush hour traffic. Until they replace the Crankshaft Point Censor, the problem would not go away.

I would insist on looking at this rather than replacing sparkplugs or having any other service performed if one is experiencing these same symptoms. The good thing is it is under warranty.

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Accent RB (2012+) :: Right Light Keeps Going Out

So, I recently purchased a new HID kit for my car, with a harness and power source from the battery and everything. But the problem is my right light keeps going out. I had trouble when I first installed it so I switched the ballast and it still had the same problem on the same side, so jiggled around with the ground for a little and it worked. Later it went out again and while driving it went back on and for the next two days it worked. It's out again now and I have yet to play around with it.

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Accent RB (2012+) :: AC - Air Comes Out But Not Cold

Just bought 2012 hyundai accent and not sure if I have air conditioning. The dealer wasn't sure but didn't think so. It has all the dials, heat works, defroster works, circulation button seems to work, but just air blows when I turn the dial to cold. If I have all this stuff, does that mean I have AC and its just not connected or takes forever to start to work (read about this issue on some forums). If I don't have AC would it be easy to install since I do have all this stuff?

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Accent RB (2012+) :: ECO Won't Come Back On

So, I just got home and turned off the ignition. I then accidentally clicked off ECO. When I went to press the button again, it lights up and it does on my dash as well, but once I let go of the button, they are both off. I thought this had something to do with the car being off, so I started it and I still couldn't get ECO to go on.

Am I doing something wrong or is it possible that the button is broken?

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Accent RB (2012+) :: Air Condition Noise At Low RPM

I have a weird sound from my car air condition, i just need to check if all Rb`s have the same sound or just me. When the air condition is on and car RPM between 850 & 1000, A quite VOoOm sound is heard and you can feel some vibration under your feet. when rpm is more than 1000 the sound disappear, the sound comes only when AC is ON. I start investigating the noise and i when i open the hood and put my hands on the pipes Low and high of the AC, i feel this sound and vibration inside the pipes, i tried to keep the pipes a bit away from the body by putting some rubber, the sound and vibration decreased. why such sound appear at low RPM? Every thing in the AC is normal. I went to the dealer service center and they though it was the AC compressor, and change it, but the sound still there.

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Accent RB (2012+) :: Hum / Vibration When Cruising At 50 - 60 Mph

I have started noticing a hum or vibration that I can feel in the pedals when I am cruising around 50-60mph. Doesn't matter what gear (automatic trans) I am in, I can feel the gas pedal vibrating slightly at those speeds. Below or above that, it goes away. Any thoughts? I know dealer, dealer, dealer, but wanted to know what you all thought so I can have some direction to lead the mechanic in so they dont tie my car up the whole day.

Don't think it's:
Wheel bearing because I don't hear it all the time.
brakes because I don't feel any vibration at other speeds.
Gear box because I can shift into different gears at different speeds with no sound.
Tires because I just got them rotated and the tread still looks new after 22,000 miles.

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Accent RB (2012+) :: Pinging Under Acceleration

My Accent has 89000km (about 54000 miles) and has been pinging under acceleration...tried higher octane gas with no improvement.

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Accent RB (2012+) :: Engine Went Off While Driving

My wife had her car go off today while driving. Prior to this happening, she had switched off the engine while in a gas station, with the gear in D. After driving about 13kms more, the car goes off while in motion and doesn't restart immediately. When it finally does, it shudders until finally stabilizing. Could it possibly be due to the single act of switching off while in D gear? The car is a 2013 accent GLS.

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Accent RB (2012+) :: Cooling Fan Automatically Come On With AC On?

I've had cars in the past that the fan would come on automatically when the ac was turned on regardless of the temp. Meaning the second the ac button was hit, the cooling fan came on.

I have the 13 GS and it does not come on automatically. Is the fan supposed to come on automatically with ac on or is it temperature driven even with ac on?

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Accent RB (2012+) :: Avg Mpg Dropped From Usual 25 Down To 21 / 22

Took my car into the dealership today. They're ordering a new steering wheel but they also said that this happens more with women drivers bc of lotions and stuff. I know how chemicals can manipulate materials but I don't use any of smelly scented stuff. I think it's bs. Who cares.

They ran a diagnostic check for the mpg and said its fine. That's all. Then why has my avg mpg dropped from the usual 25 down to 21/22 for the last month??? There is something going on but I can't figure it out. even with the low mpg numbers itself they aren't concerned.

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Accent RB (2012+) :: Malfunction Indicator (CEL) Came On

My girlfriend has a 2012 Accent and she told me her CEL was on. Told her to take it to Autozone and have them read it. Told her to write code down but she didn't - said the guy told her she just needed an oil change. Boy did she. Changed filter and dumped oil. She had only about a quart left! Put in 3.5 Qts. Drove it around but light still on

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