Lexus GS 2013+ :: Rough Idle Very Low In RPMs


Jan 7, 2015

Not sure if this is normal so I've found that my car is idling very low in rpm's and feels like the car is shivering along with me! (hint: its really cold here) I took a very short video [URL] ....

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Lexus LS 2007+ :: Idle Hovers Around 450 - 500 RPMs And Pretty Rough

After the engine is warmed, my normal idle in drive, park, neutral, or reverse is around 650-700 RPMs.

I have recently noticed that when a combination of conditions occur, my idle hovers around 450-500 RPMs and is pretty rough. This low, rough idle occurs when:

1) The car is in drive;
2) The car is at a full stop (foot on the brake or auto-brake hold);
3) All accessories are off (heated seats are off, radio is off, headlights are off); and
4) HVAC is Off.

I went to the dealer and they ran diagnostics. No error codes were recorded. The dealer looked at other ls460s and said they all do that. By the way, I noticed this after my VSR was done.

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Lexus GS 2013+ :: 2016 GS350 Engine Idle A Bit Rough

I just purchased a new 2016 GS350. Traded up from a 2013 ES Ultra, which I loved. Love this car even more, from a sportiness perspective. Question to other GS owners. I've noticed a rough noise, or rough idle, when starting the car first thing in the morning, or after it has sat for some length of time. My 2008 ES sounded like that, as does my 2010 RX. My 2013 ES never sounded that way and my service advisor said they changed something in the engine or transmission in the ES. My 2013 purred when it started and never stopped. It was silky smooth.

The new GS just sounds rough for about a minute or so and then smoothes out. Of course, I asked about it and was told everything was normal, which is the standard Lexus comment. Said it sounds that way until something or other warms up or something like that. Im still trying to get used to the different drive and acceleration patterns of the GS vs the ES. Overall I love it. It's just a richer vehicle all the way around. Just curious about the idle. Is it normal?

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Lexus ES 2013+ :: Rough Idle - Car Vibrates And Noise Increases When Stopped At A Light Or Stop Sign

Just bought a L/Certified pre-owned 2013 ES 350. I am shocked at how much the car vibrates and noise increases when stopped at a light or stop sign. I tried a 2015 ES 350 and the same thing occurs!! The dealership technician says everything is operating "to specification". This is a disgrace for such a high-tech, luxury car.

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Golf IV / Jetta IV :: Rough Idle Between 600 - 800 RPMs

My golf 2.0 vw isn't doing so good right now. It has 227000 miles on it. It has been driving great, and then last week it started to idle rough. It idles between 600-800 rpms. it fluctuates between 600-800 rpms. It had the check engine light on before this happened i was told by my brother that it was an 02 sensor. I had it checked for what is causing the engine light to come on today at o Rileys, and it came up with 11 codes. Some of the codes where 02 sensors, it was running to rich, needed a new computer, evaps system, fuel pump, fuses, coil pack, spark plugs, It shakes when you sit in it when it is idling like not a bad shake but a small one you cal feel, l'm including a video of it running.

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Camry :: 2007 LE - Shuddering / Rough Idle And RPMs Low

2007 Camry LE. This morning while driving, she noticed a shuddering that scared her. She called me and parked the car as soon as she could. I went to drive it around and, as she had said, it was shuddering.

I drove it for a bit, neighborhood and highways, and took note of everything. The RPMs were low - About 500. I'm not sure where it usually idles, I rarely drive this car, but my Jetta idles around 900 so this seems strange to me. RPM gauge occasionally bounces around at idle. Once the car gets moving there are no issues. Only at complete stop. It feels like the car is about to stall.

I drive a manual and if I keep it in gear while approaching a stop it makes the same shuddering because the RPMs are too low for the selected gear. This is what it reminds me of.

Here is a video of what's going on under the hood. As you can see, the airbox is vibrating heavily. That's the most obvious place. The engine and intake manifold are also bouncing around, but it's hard to see in the iPhone video.

Video ... ... ...

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Camry :: 2006 (5th Gen) Rough Idle At 600 RPMs When In Park

As of late, my 06 Camry (I4) idle's real rough @ 600 rpms when in park. It stays the same in drive with the A/C on. However, when I switch the A/C off, for about 2 secs, the idle will be smooth before dropping down in rpms. Some folks have said this is normal, but I've had this happened to my car before. I've got 135K on it so I'm guess a tune up is in order.

I'm new in the game of working on my car myself since a past issue with the dealer on my '06. So if all is needed is a tune up, I can do that myself with the parts of my choice.

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Golf IV / Jetta IV :: Rough Idle - Smoothes Out Only At About 600 RPMs

The problems seems to be getting progressively worse, it has a rough idle and when it smooths out is only at about 600 rpms and still sounds strange. Also, I am running extremely rich, blows flames quite often and in OCMD I went 100 miles on a half tank. Car is stage 1 unitonic with sai and evap deleted. I changed the maf and that didn't change anything. I was searching for vacuum leaks yesterday and noticed that one of the vacuum caps I have on the bottom of the intake manifold was dried out so I took it off so i could put my finger over it and see if it ran better, when the cap was off it ran great but when I put my finger over it it would go back to an awful idle Now when I come to a stop it will sometimes drop the rpm so low that it shuts off, when I am driving you can't tell a difference.

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Camry :: Rough Idle - Vibration Start As Soon As RPMs Drop A Little

I've made posts about a rough idle before now I noticed something new about it. I noticed when I approach a red light the vibrations don't start immediately. They start as soon as the RPMS would drop a little. They stay above 500 but it seems like it's below 750. As if the engine is slightly starved from power? Now i'm wondering if it could be related to another problem I have.

Whenever I start the car, the battery light flickers until the car is started all the way. This is on a 2007 Camry 4 cylinder. So far everything iv'e done is: New NGK Spark Plugs, NEW OEM mounts (all 4) Seafoamed the engine, Seafoamed the throttle body, cleaned the MAF sensor, New air filter, and cleaned the air filter box, replaced the PCV Vlave, new belt, new alternator (duralast), and a new battery (from autozone).

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GTI 337/20th Anniversary :: Rough Idle - RPMs Go Up And Down At Stop Light

Have a jazz blue chipped tuned with giac.. It does this random times.. When I come to a red light on idle the rpms go up and down just a bet but never stalls. The car vibrates and the engine shakes a bit. Engine is stable when car is on and off. Idk if its motor mounts or what?

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Subaru - SVX :: Rough Idle / RPMs Drop Very Low And Engine Shuts Off

1997 Subaru SVX (Alcyone) LSi, 3.3L H6 engine.

My SVX was driven from Denver to Las Vegas, NV and it developed an odd habit where the RPMs would start to oscillate while on cruise control. I had to disengage the cruise control to get the oscillations to stop. Three days later I was driving the SVX to work and the RPMs started oscillating at idle and the car started running rough and it died.

These things have all been replaced with OEM grade parts: Spark plugs, electric fuel pump & strainer & fuel filter, Mass Air Flow sensor, new air filter and fuses.

The car starts up fine but after a few seconds the RPMs begin to oscillate. Then the car tries to recover, the idle becomes rough, and the the RPMs drop very low and the engine shuts off.

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Ford - Escape :: Rough Idle And Way Below 500 RPMs To The Point Where It Almost Stalls

I have a 2001 Ford Escape, and when I start it for the first time of the day, it idles really rough, and way below 500RPMs (to the point where it almost stalls). After about 10 minutes, when the car is all warmed up, it runs smoothly, as if there was nothing wrong with it. The only conclusion I can draw is that it is temperature related, but I can't figure out exactly what is causing the issue. This happens on the driest or wettest of days, so moisture doesn't seem to be an issue.

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Passat (B5) :: Rough Idle / Steering Wheel Shakes And RPMs Around 500

It just started last week, only when in drive, checked vac lines, good ignition system including new plugs, its very annoying the steering wheel even shakes, what to look into, the rpm at idle is around 500. 1.8T

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Saturn :: Sudden Fluctuation In RPMs / Rough Idle At Stoplight

We have a 1997 Saturn. For the past few months, whenever we're at a stoplight it suddenly fluctuates in RPMs, giving it a rough idle (going from 1000 down to 500 or so for a second or two, before coming back up to normal). It appears to be temperature sensitive (i.e. the longer the car runs or the hotter the outside temp, the more often this occurs). I sprayed the throttle body connection and vacuum connections to attempt to find a potential vacuum leak, with no effect. We've already had the transmission replaced, and haven't been having any other idle issues besides this. What else might be causing it.

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Celica :: 2004 1zz-fe - Code P0300 / Rough Idle And Stumble At Low Rpms

I have a 100% stock 2004 Celica GT ~125,000 miles. Over the last few months I have been getting a rough idle and stumble at low rpms. The other day the car would not restart after sitting for about 20 minutes. Only recently has it actually thrown a DTC. The error codes were for misfires (P0300, P0301,P0302,P0303, P0304). I don’t get a code every time but the problem seems to be more noticeable if the car has been ran for a while, sits for 20-30 minutes while in a store and then when I try to start it when I come out of the store is when the problem most often occurs. When it restarts it will stumble at low RPM and if I hit the gas it has little response and misses badly. I have never used a scanner until now. I am using a Autel MS509 scanner and I am not sure it is giving me the correct diagnostic numbers for the live data. I think the DTC are correct but the live data is questionable.

Here is what I have done so far.

- Cleaned IAC valve (completely removed and cleaned)
- Searched for vacuum leaks using carb cleaner
- Cleaned MAF sensor
- Replaced all 4 injectors
- Replaced upstream and downstream O2 sensors
- Replaced Coolant Temp Sensor
- Ensured cam tensioner is providing adequate pressure to the cam chain
- Tried 2 sets of new Iridium NGK plugs and a new set of Bosch Copper plugs
- Moved coil packs around
- New air filter
- New fuel filter
- SeaFoam through intake and gas tank. I have not mixed in the oil.
- Compression Test (1=190,2=190,3=160,4=178)

Things I have not done.
- Taken it to the stealership
- Fuel pressure test
- Valve Clearance

I am concerned about the compression test because according to the service manual it should be around 218. I was using a Harbor Freight compression tester and I am not 100% sure I had a good seal with the tester.

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Integra :: 1987 Rough Idle / When Stopped RPMs Drop Below Normal

I have done everything I can think of to this car. New; plugs, wires, distributor, battery, fuel pump, fuel filter, relay, and electrical lines to fuel pump. The timing belt is fine. The car has a rough idle and when I am stopped the RPM's drop below normal. Now it won't start. What can I try now?

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Corolla / Matrix 2009-13 :: Rough Idle With Headlights And AC Off - RPMs Dropped

I have a 2010 corolla s and I started to notice that when I was at red lights with the car in drive my rpm's would drop to around 600 but it would only do it randomly, or so i thought until one day I was at a light and turned the ac on and my rpm's went back up to 800 so I turned it off and the rpm's dropped again, turned on the headlights and they went back up.

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Golf IV / Jetta IV :: 2003 - Rough Idle About Every 30 Seconds At Low 700 Rpms And Bounce Up And Down A Little

Random rough idle about every 30 seconds at low 700s (rpms) and it'll bounce up and down a little. The code was p1515 (No CEL or other lights have come on yet) which is something about the intake manifold valve and there is an air-shooting noise that is pretty loud but just sounds like air that's being lost somewhere like maybe a leak and that happens when i rev right before you can hear the engine rev the air/shooting noise occurs. I don't really think I'm losing power but I got the car recently so maybe I am and don't notice it. If this is a common leak or something with the intake manifold valve let me know,

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Sonata NF (2006-10) :: Rough Idle / Lack Of Power Under 2000 RPMs

I have a 06 sonata 3.3L v6. I have been having misfire problems and lack of power under 2000 rpms and at idle when I am either a stop or just warming the car. What is happening I feel it shake and feel the misfire but after it gets up after 2000 rpm at highway speeds its completely fine. It struggles getting up to speed if i press on the accelerator. I have changed the spark plugs and all the ignition coils maybe about 2 months ago, I have also have changed the camshaft position sensor for the rear bank. I believe that it could be the crankshaft position sensor but I want to make sure....

Obd2 codes: p300,301, 303, p0012, p0011, p0014,

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Stalling - Ford - Focus :: Rough Idle / Shaking When Gets Under 1000 RPMs

I have a 2008 Ford Focus - 4 Door Sedan SE 60300 miles.

I've gone to 3 mechanics now and no one can seem to figure out whats wrong with my car. Here's whats happening:

About 1 1/2 years ago I took my car to get an oil change at Jiffy Lube (Yeah never again). When I left, my car was idling funny... Silly me didn't take it right back and have them tell me what was wrong.. so I let it go, well about a month later it started idling even weirder. Basically it feels like my car is shaking when it gets under 1000 RPM and I notice my RPM dial start falling and bouncing back, acting like its going to stall, but never does. I notice a loss of power when this is happening (on speed up and just accelerating in general). All of this is random, I can't seem to put a pattern to it as to when it happens. One day I'll start it up and everything is perfect... Then I'll shut it off and restart it later, and it starts vibrating and puttering again... No signals as to if its hot/cold or wet/dry, no environmental variables seem to cause it to happen anymore than others. And there is no check engine light on, everything "looks" normal.

What I've had done to it so far is:

Air filter changed / reseated
3 oil changes (keep getting told it will work)
Throttle cleaned
Computer reset for idle sensor data rebuilding

Now I'm told that I need new engine mounts, and that could be the reason for the vibration. I'm thinking that the vibration caused the mounts to wear out, more so than the mounts being the cause. Mainly because I don't see how bad mounts could cause loss in power/bad idling.

What could be wrong?!? Really bugging me and don't want to keep throwing money at it for phantom solutions. Seems like mechanics I go to can't figure it out unless there is a check engine light on with some diagnosis code to tell them exactly whats wrong.

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Ford F-150 - 1997-2003 :: Rough Idle / Engine RPMs Go Up To 2k Before Dropping Down

1999 F250 LD with 5.4 w/ 225k miles... Was running perfect yesterday when I shut the engine off. Started back up about 20 minutes later and Idles was up and down and rough.( 400 - 900 rpms) Drove and ran fine except Idle. I know that those codes are for the o2 sensors but don't believe they're bad. I hear what sounds like a vacuum leak somewhere behind throttle body. Either IAC or EGR or it could be coming from the line that runs in beside the IAC valve to the air intake in front of the throttle body. Tried spraying water in those areas with no results. Could it be a bad EGR valve or a stuck IAC valve? I have also noticed that lately when I start the engine the engine rpms go up to 2k before dropping down. Would a bad IAC valve cause such rough idling along with the codes that I described?

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