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Questions tagged [rpm]

RPM = number of Revolutions Per Minute. Most commonly an acronym for engine crankshaft speed.

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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
0 answers
26 views

Why would my rpm stop?

When I leave my car idling and step on the gas my rpm goes up like normal then when it gets almost to the 3 it would stop for a bit or even drop a little then continue on. I know this is not normal so ...
wizard yangsta's user avatar
-1 votes
1 answer
77 views

What control the RPM of an engine?

can you tell me what controls the rpm of an engine? Is it more fuel, more rpm (if so plz explain this to me) or is it controlled by a computer?
Tintin's user avatar
  • 33
2 votes
1 answer
50 views

Manual car engine rpm dropped below idle rpm while in neutral

My car is 2007 Toyota Prado GX manual with the D-4D engine. I was waiting for green light so I put my gear in neutral. After about 1 minute the engine rev dropped below the idle rpm by a lot so it ...
Weeboo's user avatar
  • 21
3 votes
1 answer
191 views

Why does my cars rpms drop to idle when not pressing accelerator?

Context: I have an old (1994) diesel van. It has a transmission computer, and not an engine computer. It's not OBD2 compatible, so it's mostly just simple sensors and whatnot. From my recollection, I ...
Matt Strom's user avatar
2 votes
0 answers
40 views

Engine RPM continuously rising when using A/C in my Nissan Terrano Diesel

My Nissan Terrano Diesel has this weird problem. Whenever I turn the AC on, after a few minutes, the engine RPM continuously rises at shoots up above 3000RPM apprx at idle. Only when I apply brakes, ...
Barath Iraiyarul's user avatar
0 votes
0 answers
332 views

Royal Enfield classic 350 bs6 very low rpm and engine shutting down

My royal Enfield classic 350 bs6 reddit grey vehicle has some engine shutdown problem. Sometimes when I start the vehicle, it was not starting automatically, I need to give some accelerator to get it ...
praneeth kumar's user avatar
0 votes
3 answers
577 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
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1 vote
1 answer
3k views

RPMs at 0 while driving. Can't re-start car without 45 min cooldown but then runs normal for 30 min

During my last road trip I encountered the weirdest issue with my 2011 Hyundai Accent. On the highway the RPMs went down to 0 but I was able to drive completely normal. After I turned the car off, I ...
Mr.Floppy's user avatar
  • 113
2 votes
2 answers
321 views

Will an overheating engine result in higher rpm?

A mechanic claimed that one of the telltale signs of overheating is a noticeable increase in engine's rpm, among other signs including weak engine's performance etc. I have made several searches but I ...
learner's user avatar
  • 143
2 votes
1 answer
160 views

Possible misfire or another problem, car looses power

I would need some help here. Car: Clio 2, 2000, 1.2 58 Hp, gasoline, D7f, 8V, 90000 miles The car has trouble starting when hot. It runs nicely and can drive it, until that happens: RPM go up in the ...
Alex J.'s user avatar
  • 151
0 votes
0 answers
34 views

Rpm’s fall to 800 when decelerating from second gear into first

A 2004 Honda accord coupe exl’s rpm falls to 800 then back to normal when decelerating from 2nd gear back into first. The transmission fluid still has visible color to it and nothing else on the ...
Accord Owner 's user avatar
2 votes
2 answers
208 views

2002 gmc sierra 2wd rpms rise when applying brakes

Truck is 2wd 5.3 v8 non flex fuel When driving anywhere from 60mph to 80mph rpms rise when I lightly tap or touch the brake pedal. I also get intermittent abs and brake warning lights when hitting ...
Joe.'s user avatar
  • 21
0 votes
0 answers
42 views

What are the side effects that happen from high acceleration with brand new car? Does two or three times matter?

I had a new Honda Accord and I didn't know about break in period that is within the 1000 km, what I did I drove in 120 km/h for two or three times and I made two times acceleration test that reached ...
aliadly's user avatar
0 votes
0 answers
451 views

Automatic transmission truck drops in rpm when i left off the gas pedal in top gear

I have a 1988 Ford F-350 with 7.3 diesel v8 and 3 speed c6 automatic transmission. When i put it in D and im driving at high rpm and take my foot off the gas in 1st and 2nd gears the rpm stays ...
Timothy Scherer's user avatar
0 votes
1 answer
79 views

High rpm at idle

I changed my spark plugs and ignition coils a few days ago and I’m sure I did everything correctly , but after I put everything back together and started the car the rpm was up around 4000 . Idk if I ...
Kareem Bright's user avatar
2 votes
1 answer
205 views

2005 Honda Accord starting system issue, can not rev past 5000RPM

I have two issues on my 2005 Honda Accord (2.4L 4cyl engine) that may be related: Sometimes the engine will not start. The engine turns over a few times but eventually stops and then fast clicks. ...
moof2k's user avatar
  • 287
0 votes
0 answers
46 views

Cold start rpm issue

My car Toyota Allion 2005 with 80000 Kilometres. Recently I have my mechanic cleaned the throttle body (TB) and the idle air control (IAC) bulb. Before cleaning the TB and IAC, parking/neutral rpm ...
user42786's user avatar
0 votes
2 answers
59 views

RPM fluctuation when driving

Nissan Altima 2009 RPM goes up and down and car jerks when driving below 60mph and going up and down the hill.
Prashin Prasad's user avatar
0 votes
1 answer
390 views

Why is my car revving high when I get past 60km/hour

I have a 2005 nissan x-trail (ua-nt30, 1990cc 4wd) with just over 200,000km on the clock. It starts okay, idles okay and kicks back ok during gear shift. Revs remains okay (1,500-2,000 RPMs) when I ...
Kkman kku's user avatar
3 votes
1 answer
98 views

Jeep Patriot RPM Gauge bounces / not right

I have a Jeep Patriot 2012 2.4L 4 wheel drive limited. While all other dash gauges work well with no issues, the RPM gauge will stick (not move after a certain position, around 1000 RPMS and then ...
user71922's user avatar
2 votes
0 answers
69 views

Car is taking longer to start as it warms up? (Vid included)

2007 Lexus ES350 with 132k miles. I recently started using it for uber eats this past Friday and I'm in NYC. The car starts up fine when cold. But I notice after a few stops and shutting the car off, ...
TheCoolest2's user avatar
3 votes
0 answers
469 views

What would cause RPM's to drop when pressing the gas pedal?

Bunch of issues on a 2018 Ford Focus SE, less than 50,000 miles still. Took it to the dealership then the oil low pressure light came on. Apparently, they replaced the oil pump, crankshaft, timing ...
Philip Rollins's user avatar
1 vote
1 answer
175 views

RPM high in fifth gear

I'm a newbie to driving and I'm in need of advice for my Peugeot 308. It's the 2009 five door hatch back - 1.4 petrol. Usually the RPM's of the car are between 1500 - 2200, but when i shift to fifth ...
In_need_of_help's user avatar
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
2 votes
1 answer
2k views

Does always driving in a low RPM harm the engine?

I am not a very sporty driver because high speeds frighten me. My car is a 2013 BMW F30 with N13 engine. I always drive slowly whether i am in a city or on a highway. I never ever go past 90 kph (56 ...
Yusuf K's user avatar
  • 23
0 votes
2 answers
5k views

Is it harmful to drive downhill in low-gear with high RPM? [duplicate]

I went to a mountain range the other day with my Seat Toledo from 2001. Going downhill, with 12% inclination, I downshifted to 2nd gear to avoid braking all the way. The car still picks up speed, ...
BlueMoon93's user avatar
1 vote
2 answers
329 views

Possible clutch disengagement problem causing lingering reving when clutch pedal pressed on Renault Master diesel 2006

Can I ask a question about my clutch on my diesel Renault van? My clutch stopped working; A garage fitted a new clutch kit (including master cylinder); now, when I push the clutch pedal down, the ...
user9954434's user avatar
0 votes
0 answers
51 views

2001 Avalon requires a lot of power to move

From a stop, I have to press the gas pedal down and the RPMs to about 2500 in order for the car to move. The engine light has gone on, but now it's off and when I take it the mechanic, they can "...
Erin Craven's user avatar
0 votes
2 answers
940 views

Why does rpm drop when you disengage clutch and let go off accelerator pedal after revving it?

The obvious answer to this question would be that you are no longer supplying fuel to cause combustion and the frictional losses slows down the rotating and reciprocating parts of engine causing ...
Abhishek P G's user avatar
1 vote
0 answers
103 views

CB400SF Hyper Vtec Spec 3 Sluggish performance @ 5000 rpm onwards

my 2005 CB400SF is experiencing sluggish performance at 5000rpm onwards. I deemed it sluggish because the sound is not as "smooth" as before. It behaves like how a rev limiter would. Vtec ...
Hakim's user avatar
  • 11
1 vote
1 answer
94 views

Max RPM while going down a hill [closed]

I drive a Dacia Sandero 2 Stepway with a 0.9 TCE gasoline engine. I live on a mountain side and every day, sometimes multiple times a day, I have to drive down a rather narrow, curvy and steep hill (...
Emeric Francisod's user avatar
2 votes
0 answers
34 views

2019 Subaru Impreza

I have a ‘19 Subaru Impreza, sometimes my rpm will go up to 2000 and will not move when I accelerate or slow down. Example: I sped up to 75mph and slammed on my brakes at 50 mph and the rpm still did ...
Kyara's user avatar
  • 21
1 vote
1 answer
1k views

New Kia Stonic, vibrations and clutch noises

I have a new Kia Stonic 2020 1.0L T-GDi ISG , got it on July and 8500km on it It already had an issue with miscalibrated hill assist sensor (already fixed) so I wonder if it has other issues ... what ...
Claudiu's user avatar
  • 111
1 vote
2 answers
136 views

Why did car just overheat and aftermath?

Hyundai coupe 2006. I tried to recharge a deeply dead battery by attaching jump wires from donor car directly to terminals of isolated battery(not in car). I kept the donor car constant at 4000rpm for ...
James Wilson's user avatar
  • 2,736
0 votes
1 answer
99 views

Is it normal that the RPM jumps to 800 from 600 when I switch on the AC in my Toyota yaris automatic 2015

I own a Toyota yaris 2015 AUTOMATIC. normal RPM is 600 but when I turn the AC on the rpm jumps to 800.is it normal, is there any issue
Abdul Jaleel's user avatar
0 votes
0 answers
26 views

RPM running to high and don't kick down on 2005 trailblazer

My 2005 trailblazer automatic ! had a almost new engine put in April. Ran perfect. It started pour oil and my rpm would not kick down without me letting off gas. Both started at the same time ! Oil ...
Karol Kingsley's user avatar
0 votes
1 answer
51 views

Is the AC compressor drawing a large load to the engine causing it to idle poorly?

This is for an 04 Honda Accord 2.4L that's been acting strange. When the car is running and AC is off, car runs fine while driving but when I come to a stop, the engine sort of shudders and RPMS ...
John Wilkkis's user avatar
0 votes
0 answers
424 views

Unsteady RPM when ac is on

Hi guys I have a 2019 Lexus GX460 with a mileage around 8000. Recently I noticed that whenever I turn the ac on in idle, the rpm went up and down every few seconds with loud noises from the engine bay,...
max G's user avatar
  • 1
1 vote
0 answers
66 views

Rough RPM idle transition when AC is ON

I have Kia Picanto 2017. I noticed that when I'm driving and depress the clutch (say would switch to neutral to stop for a red light), normally the RPM should go down to the "normal" idle level but ...
SquareBox's user avatar
  • 111
1 vote
1 answer
184 views

Why do some motorbikes need consistent throttle/acceleration/raise to keep the engine alive even if i have pressed full clutch?

I am used to riding Pulsar 150, when I press full clutch in that, the engine is still alive without the need of throttle/acceleration/raise to keep the minimum rpm. But I was riding a TVS Apache RTR ...
Gagan G's user avatar
  • 13
0 votes
0 answers
263 views

Toyota Tacoma running high rpm

I have a 2003 Toyota Tacoma 4wd with manual transmission. It is running at 4000 rpms at 70 mph. What would cause this?
Kristopher Chamblee's user avatar
1 vote
3 answers
250 views

RPM AND TORQUE IN INTERNAL COMBSUTION ENGINES

IN internal combustion engines, when the explosion in the chamber occur producing power this power appears as an increase in torque and RPM, what confuses me is that how I could raise the RPM while ...
A.ELAK's user avatar
  • 11
0 votes
1 answer
54 views

Hyundai i20 1.4 glide 2012 model

Evening guys, my car has a very serious problem, it consumes too much fuel and i have noticed that my rev counter is very high when driving, if am driving 100km\h the rev counter would be at 4100rpm, ...
Isaiah's user avatar
  • 1
1 vote
0 answers
47 views

Car idles low when cold but increases when it warms up

Toyota Camry car 2001; Idle at start up is low when engine is very cold and gradually becomes "Normal" as engine gets hotter? I thought it was suppose to have higher RPM's when engine is cold and ...
Edosa's user avatar
  • 11
1 vote
2 answers
1k views

Does the flywheel really complete 33 revolutions per second when the engine is set to 2,000 RPM?

My car's RPM meter says x1,000 for each notch, therefore when set to 2 this implies 2,000 RPM. I can't visualise an engine's flywheel turning 33 times per second when the car is set to 2,000 RPM - it ...
Nicholas Hill's user avatar
2 votes
1 answer
108 views

RPM Sometimes Jumps

I have noticed an issue today when driving and was hoping someone might have some ideas. Car is a 2008 PEUGEOT 207. I have noticed that sometimes when I floor the accelerator at 4th and 5th gear, the ...
Jordan's user avatar
  • 21
2 votes
0 answers
186 views

Why does the RPM (revolutions per minute) fall drastically when I use the windshield washer?

I have a Ford Fiesta 2013 model and when I use the windshield washer the RPM falls drastically, it's almost like the car is braking by itself. Does anyone know what might be causing it?
Ilse's user avatar
  • 21
1 vote
1 answer
4k views

Engine splutters and dies when I rev it at low RPM, but at high RPM it revs fine

My Datsun 240k runs very rough at low RPM, and if I push the accelerator to the floor quickly, the engine splutters and dies. If I slowly rev the engine to about 3200 RPM, and then floor it, it revs ...
Oscar Chambers's user avatar
0 votes
0 answers
25 views

Aerox 155 max rpm dropped to 7000 rpm [duplicate]

Good day everyone, need help with my aerox 155 issue after installing an after market pulley and driveface. Including iridium spark plug. My aerox 155 cannot go beyond 7000 rpm at full throttle. As a ...
Mharco's user avatar
  • 1