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Questions tagged [idle]

Questions related to the engine running without advancing the throttle.

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2005 Scion tC- Vehicle idles briefly at 1500 when braking, gradually drops to 1000 rpm. Is this normal?

Seems kind of high, even though it does eventually drop back down to 1000 rpm after a few seconds. Warm or cold makes no difference. 137 k miles. What could be the cause?
Elcucuy's user avatar
  • 85
0 votes
1 answer
24 views

AC works only on idle

I have a 2002 Ford Escape, six cylinders, 4WD. The air conditioner works great when I am going under 20 MPH. It works less between 20 and 40 MPH. After 40, it does not cool down at all. It has nothing ...
Guillermo Ramon's user avatar
0 votes
0 answers
26 views

Automatic Scooter doesn't start on low fuel/idle

The scooter doesn't start when petrol becomes less than half and idle for more than a week.The self start struggles for minutes, finally kick start works after several kicks.But when petrol is full(&...
PIYUSH JAANGID's user avatar
1 vote
0 answers
88 views

2016 Mini Cooper revs up to 2000rpm before dropping back down, why?

I have recently purchased a 2016 Mini Cooper with approximately 70,000 mileage. It has since developed some issues in the time since purchasing. When driving in eco mode the mini engine should shutoff ...
David SC's user avatar
0 votes
0 answers
63 views

is car idling bad for 21st century modern day car?

I have a 2016 Toyota corolla. I hardly drive anywhere. I have around 92000 km on the odometer. I live in Canada, and therefore, the winters are extremely cold. When winter is in full swing, I turn on ...
crazyTech's user avatar
  • 101
3 votes
2 answers
104 views

Is there a way to shut off Mazda 6 after X minutes if it's parked and idling?

My wife has a Mazda sport 6 2020. She sometimes forgets to press the button to turn the car off when she gets out. Are there any systems that can shut the car off after X minutes if it's parked and ...
Dwayne Driskill's user avatar
2 votes
1 answer
352 views

How bad is idling for your engine?

I’m looking to buy a retired police vehicle and I came across a 2016 Dodge Charger with a 5.7L v8 Hemi for ~$14k with ~104k miles. It looked like an ok price but I saw the engine hours and it’s at ~...
Daniel Chrobak's user avatar
0 votes
3 answers
576 views

Why after AC ON Engine RPM not increase but Engine Load Increased?

I have a Maruti Suzuki Alto K10 (a petrol/gasoline 1,000CC, 3-cylinder engine). Its idle RPM (without AC) is in the 840-900 range, and the engine load is 24-28% range (monitor using ODB2 scanner). ...
Chathu's user avatar
  • 1
0 votes
0 answers
364 views

Loud engine high rpms when accelerating?

I have a 2012 Ford Escape XLT, i cant take it on highway or go over 40mph because it hardly can get up to speed and my car shakes like crazy on highway and when i slow down from getting off the ...
niimph's user avatar
  • 1
0 votes
0 answers
103 views

Why does my Toyota 3L engine won't idle and makes a metal scratching noise?

My Toyota Land cruiser manual transmission has just had the engine reconditioned: new pistons, piston rings, engine block, cylinder head, fuel injectors, fuel injector pump head, starter, fuel filter. ...
Don Lucas's user avatar
1 vote
0 answers
108 views

Polo Classic: Idle Issues

There's a while that I'm trying to repair a Brazilian Polo Classic 1999 (based on the European VW Polo MK3) with idling running at low RPM. Long story short: When the engine is cold, the idle stays ...
Jeron Baffom's user avatar
2 votes
0 answers
112 views

I have a 2005 Honda Accord EX 5spd 2.4l DOHC. Idle problems

I began having idle problems , basically after reaching operating temp the vehicle's idle would drop until it stalled . At this point I wasn't getting a CEL . So I checked for air leaks , found none . ...
Jeremiah's user avatar
4 votes
1 answer
2k views

Idling motor and running AC for 4-8 hours in 100 degree heat?

Ok so I go to a lot of music festivals in the summer, stay up all night, then try to sleep during the day. A buddy swears by just idling his van engine and blasting the AC, like for 4-8 hours when it ...
Mohamed Hafez's user avatar
1 vote
0 answers
76 views

2000 Ford Focus zetec no idle after engine mount failure

I’ve been working on a friends 2000 Ford Focus/Zetec engine, he had his motor mount fail on him while driving which he fortunately stopped driving, after inspection I noticed that the engine had ...
Johnny's user avatar
  • 11
0 votes
0 answers
147 views

2006 ford 500 hesitation/lose of power when accelerating and more so when ac/heat is on

I have a 2006 ford 500 and having lose of power when accelerating, gets worst if I turn on ac/heat. Just started doing it a 2 months ago and it’s not getting any better with new mass air flow, fuel ...
Matthew kelly's user avatar
0 votes
0 answers
55 views

old American car started stalling on idle after long maintenance in a shop. What could be the causes?

Early 90s Buick, car has not stalled in a long time. After extensive maintenance which fixed injection issues, suddenly acquired distinct stalling on idle behavior. Starts ok in traffic, but still ...
access_granted's user avatar
6 votes
4 answers
5k views

Engine start is OK but dies when applying throttle

Triumph Tiger 900 (1994) The engine starts fine and idles with choke. When I reduce choke and try throttle it just dies. Regardless of choke position, when I throttle, the engine dies. Thus, I cannot ...
Hpoonis's user avatar
  • 61
0 votes
1 answer
60 views

After starting 2008 Suburu Tribeca, revs drop when idling after tapping on accelerator

After starting a 2008 Suburu Tribeca (automatic), the engine idles at around 1600rpm. Even if I leave it for a few minutes, the revs don't change. But, if I even slightly tap the accelerator, the revs ...
user avatar
0 votes
1 answer
230 views

Engine stalls only in hot whether when starting

I have a VOLKSWAGEN JETTA 2015 (Petrol) with 100,000KM approximately. It normally drives perfectly alright except when it's hot outside. If the whether is hot outside, the car stalls when starting, so ...
Kirk's user avatar
  • 101
1 vote
1 answer
465 views

Higher idle after throttle body cleaning in 2009 rav4

I had idle issues so I cleaned the throttle body after noticing quite a lot of carbon buildup. Before cleaning the normal idle was 700, but now it idles at 950 and increases to 1050 when taken out of ...
Jack Moresy's user avatar
0 votes
0 answers
34 views

Car Idles Really High Sometimes

I have a 2002 Ford Explorer 4.6l V8 (Automatic). I have this issue were randomly my car will idle high. I start it up and the rpms go to 2500 and eventually get down to 2000 which is a bug jump from ...
Hunter's user avatar
  • 1
0 votes
4 answers
144 views

how much does it cost to turn off the ignition to save gas?

Sometimes I am sitting in certain types of traffic where there are lines of cars that don't move for a minute or more then only move forward a couple car lengths. This is not on a highway but in ...
Michael's user avatar
  • 273
1 vote
1 answer
268 views

Elusive cause to a lumpy idle

Having been around cars for a long time, this has me stumped. 2005 Renault Megane Estate with 1.4 K4J engine. Approx 125 000 km. Engine is restless at idle. Revs are unstable and feels like misfiring. ...
eerik's user avatar
  • 21
0 votes
3 answers
68 views

2000 Ram van 3.9l overheated and now runs very rough

First, the belt came off and damaged a vacuum valve inline on the heater core hose. Valve broke and was replaced with straight half-inch pipe temp. But I still don't have heat. Then the upper radiator ...
Ken Nilsen's user avatar
0 votes
2 answers
174 views

(2005 Jeep Grand Cherokee) P0420 Code, Heater not getting hot, and low idle after warming up

I have a 2005 Jeep Grand Cherokee that has a P0420 code which has recently shown up. I am not sure how long the heater has not been working as I live in GA and have just begun to start using it but ...
Ignoramus's user avatar
1 vote
0 answers
21 views

95 Chevy Monte Carlo LS 3.1 idling high in park

Upon cranking, car immediately shoots to 3000rpm and hold. Only drops down after I put the car in gear. Even then, pressing the accelerator the car tends to stall sometimes, as if its flooding itself ...
Kel Bates's user avatar
1 vote
0 answers
43 views

GMC Envoy stalls when air conditioner is on and idling

2004 Envoy only dies when A/C is on and idling if it is in park or neutral no problem. Also will not crank after fueling once started will continue to turn over till refueling again. And service ...
Diana Hunnicutt's user avatar
1 vote
1 answer
2k views

Engine runs with carburetor's idle mixture screws closed [duplicate]

I have a Rochester Quadrajet on my boat and have been attempting to tune it. It seems that I'm getting too much fuel in with my mixture as I'm blowing black smoke. If I close the mixture screws ...
Ryan Griffith's user avatar
1 vote
0 answers
544 views

steering wheel vibration only when the engine is warm

my car is a 16' BMW 750i (G12) with 26,000 miles on it currently. When I first start the car, there is absolutely zero vibration at all, but I'm starting to get a vibration only through the steering ...
Kal's user avatar
  • 11
0 votes
0 answers
35 views

1986 Dodge B250 - sudden fast idle and low "thudding" sound from exhaust

My 86 dodge van with the 318 engine recently acted up shortly after starting. This is a carburetted engine with an automatic transmission. I was letting it sit at idle to bring the engine up to ...
Cameron Roberts's user avatar
2 votes
0 answers
65 views

Carburetor adjustment ordeal: always rich on mid/high revs

So I'm trying to adjust a soviet K-22G carburetor which was placed long time ago in a Chevrolet 235 6L engine. It "works" but I don't seem to find the right spot to make it run as it should. ...
Aram Alvarez's user avatar
1 vote
0 answers
354 views

Possible causes of rough idle after changing Oxygen sensor...?

Got a 2005 Acura TSX 2.4L that I changed the upsstream Oxygen(Air/Fuel ratio) sensor after the check engine light came on. Since than, the car has never run the same. Engine idles very poorly (...
John Wilkkis's user avatar
1 vote
1 answer
668 views

Polo 6 1.4 overheating at low speed and idle

Polo 6 1.4 2012 model overheat at idle or slow speed. When i drive in traffic it overheats. If I drive fast, it immediately starts to cool down again. I took it to the mechanics, they diagnosed and ...
Bab's user avatar
  • 11
0 votes
0 answers
56 views

Why does the engine of some cars idle faster when the car is moving?

This is not a defect. It is a feature implemented on purpose. I've driven other cars that did the same thing. When in neutral, the idle speed changes from 750 rpm to 900 rpm when the car starts moving....
Paulo Siqueira's user avatar
0 votes
0 answers
211 views

Turning on rear defroster makes idle RPM stutter

I have an e46 BMW and I recently noticed a problem which hasn't occurred before. While at a stop if I turn on the rear window defroster I notice that the engine idle RPM starts to stutter (goes down a ...
TheSlavMan's user avatar
0 votes
1 answer
3k views

Check Engine light came on, turns out, i had a bad battery but it threw a bunch of codes?

Okay, so I drive a 13 Hyundai Genesis Coupe 2.0T. Last night my check engine light came on. I took it to advance auto today to have the code read. It threw a bunch of codes which were Throttle ...
Charles Billings's user avatar
0 votes
0 answers
16 views

Idle goes up and down [duplicate]

I buy my first real motorcycle!It is awesome but on idle rpm goes up and down.It’s scares me because it’s injector motor not chinese.Can i drive with it or thats not nice for engine?Does someone now ...
Kristers Ārgalis's user avatar
0 votes
0 answers
67 views

Rpm goes up and down on idle

I buy my first real motorcycle!It is awesome but on idle rpm goes up and down.It’s scares me because it’s injector motor not chinese.Can i drive with it or thats not nice for engine?Does someone now ...
Kristers Ārgalis's user avatar
1 vote
2 answers
6k views

How about how many amps does a vehicle pull at idle

Assuming the lights and stereo are off, how many amps can you expect an idling vehicle to pull? In this particular case I'm wondering about an F350, with flexfuel engine?
Frank's user avatar
  • 163
2 votes
0 answers
65 views

Powering a large electrical load with an alternator and high idle system

I have to install an inverter in a work truck that will power work lights, some power tools, and other equipment too be used while the truck is parked. I've calculated the load to be at max 750 watts, ...
Frank's user avatar
  • 163
0 votes
0 answers
50 views

Peugeot 206 2002 16valve twin Cam will not idle. What controls the idle. It doesn't appear to have a stepper motor Help

It is a two door coupe and it will not idle i don't understand why. It doesn't appear to have a stepper motor that i can see
anthony  stokes's user avatar
3 votes
1 answer
322 views

93 Eurovan - Accelerator pedal/stalling issues

Recently picked up a '93 Eurovan Automatic. It has had a couple of issues since I've owned it. Currently driving across the US after being told the van was mechanically alright. There are a couple of ...
THommus's user avatar
  • 31
1 vote
1 answer
642 views

Engine stalling while idling (Honda Fit 2007)

I have a 2007 Honda Fit Sport. When idling (e.g, at red lights), my engine often dies. It seems to happen at least once per day. It has about 70k miles, and is in otherwise good condition. From ...
NL3294's user avatar
  • 111
1 vote
0 answers
173 views

Benelli 600i - Hanging Revs when decelerating and idle surge but fixes after restarting the motorcyle

Having this strange issue lately where the RPM hangs when closing the throttle or drops slowly. The idle also surges to around 2k rpm. As weird as it sounds the problem seems to go away when I restart ...
Gaurav Sorot's user avatar
2 votes
0 answers
2k views

Scooter stalls when idle

I have a 1995 Yamaha Zuma sports scooter. It's a 2-stroke 50cc. Approx. 13,000km. It hadn't been used in probably more than 10 years. I recently cleaned out the carburetor and put fresh fuel and oil ...
user9506231's user avatar
24 votes
7 answers
8k views

How slow ( not zero) can a car engine run without hurting engine and saving on fuel

New cars have stop-start system (even though this has been available for a long time). My question is: why are car companies emphasizing shutting the engine down at a traffic light, rather than making ...
Raj's user avatar
  • 359
0 votes
0 answers
435 views

Rough Idle - Car feels like it will stall

2008 Mazda 2 1.3 25000 miles. The car drives fine with no issues, but when it is warm/hot, it feels like it is going to stall at idle. The needle drops to 0 revs but it 'catches' itself and doesn't ...
sillysandwich's user avatar
1 vote
1 answer
2k views

Loud humming noise from the back of the car when idle

Last year, after driving a long distance (about 200km), my 2013 Kia Cee'd started making a high pitch humming noise. It was loud when I was stopped but completely drown out by the engine noise as when ...
Ndech's user avatar
  • 111
1 vote
1 answer
74 views

Fuel was chocking while entering into the carburetor

I'm having an old model TVS Scooty ES, as the petrol was chocking while entering into the carburetor. After cleaning the carburetor and replacing a new spark plug and I had neither rotated the Air/...
Nɪsʜᴀɴᴛʜ ॐ's user avatar
1 vote
2 answers
143 views

2006 Honda Civic hybrid low idle

I changed my air intake and everything seems fine except I noticed my idle is below zero rpm now the car feels fine. Is the car not use to the normal amount of air it's getting now? It seems to be ...
Brian's user avatar
  • 11