Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [power]

Practical questions related to engine power – or the loss there off. Questions about electrical power and powered accessories should use [tag:electrical].

2
votes
2answers
2k views

Engine, sudden reduced power with soft shaking

I have a 2007 Holden with a 2.0 Turbo engine. On one day I decided to go through a light that had just turned orange- so I pressed down, not completely as I new how much power I needed to go through ...
1
vote
1answer
99 views

What could be causing High HC GPM, CO GPM, prevent the RPM from going over 4000, and creating an odd exhaust sound?

I have a Toyota Camry 94, it failed its emission test today with 2.62 HC GPM(Limit is 1.2) , 56.87 CO GPM (Limit is 15). The car also won't rev over 4000 RPM and acts as if it has a governor on when ...
0
votes
1answer
50 views

Low Power Even at Max Rev

I have a 200cc motorcycle which i use for daily ride to my work for just around 20 minutes only. I always had this problem of having low power after I decelerate using engine brake. Here is the ...
3
votes
2answers
1k views

Nissan X Trail 2001 engine RPMs increase, but vehicle does not accelerate, has no power

2001 Nissan Xtrail. After driving for more than 20 minutes, the car seems to have less power. The rpm will go way up, but the car is slow. Rpm can go near the redzone, yet I’m still driving at 10-...
10
votes
1answer
28k views

How does intake manifold runner length effect the power curve of a car?

Recently I learned that a number of things such as the cam profile, compression ratio and the intake manifold runner length and volume can all effect the power curve of the engine. Here is an ...
1
vote
1answer
26 views

Suzuki Intruder VL1500 Ignition Coil Difference in Front and Rear

My Suzuki Intruder VL 1500 (1998) has a front and rear ignition coil according to the OEM specifications... I'm curious if these are essentially the same even though the have different part numbers. ...
1
vote
0answers
7 views

Random high idle wont decrease speed when driving sies when still

2004 chevy trailblazer ls erratic idle speed, sluggish power when increasing speed, high power preventing speed to decrease bellow 35 when decreasing speed without breaking hard, last obd2 freeze ...
0
votes
0answers
7 views

Mazda 2 - year 2018 petrol car

Lost power down to 20 mph. Was checked by recovery chap running diagnostic but nothing showed up. No light to indicate fault. Went ok when chap tried car out.
1
vote
0answers
28 views

Can you use a flex (spider) coupler as a dog clutch in a motorbike/atv/go kart/lawn mower like setting?

My question is simple: I want to make a dog clutch system for a wakeboarding cable system and was wondering if a flex (spider) coupler could used? The power, velocity, torque is similar to a go kart /...
0
votes
1answer
29 views

Add Power Steering Fluid instead of Dextron II

I have a 1997 Toyota RAV4, I started adding power steering fluid, then I noticed it was not the same color, it ask for Dextron II instead. I only put maybe couple drops. Will it ruin my Power Steering,...
1
vote
0answers
13 views

Polo 9n SDI 2002

Help :-) My son has bout a polo 9n sdi with 120000 miles on. It was a bit smokey apperantly when he bought it. I now have it here on my drive and it smokes on idle and has a neat smoke screen trick ...
0
votes
1answer
49 views

Seat Ibiza Power steering doesn’t work on first turn over every time

It doesn’t happen every time but sometimes when I start my car the power steering light comes up saying it has failed and then all I do it turn it off and turn it back on and the power steering works ...
1
vote
0answers
32 views

Power cut while driving

I was wondering if you can advise regarding an issue with a vw jetta 2.0 tdi 140 bhp 2006. While driving on the motorway with 70 mph the car is loosing power like going into limp mode. After pulling ...
0
votes
1answer
25 views

Troubleshooting low engine power uphills

my 02 Corolla (230k miles) has low power, especially uphills. I did a vacuum test and fuel pressure test, as I was suspecting a clogged exhaust or a faulty fuel pump. Both readings are normal, ...
4
votes
1answer
114 views

Need help now with power steering

My power steering in my 06 lacrosse went out a few months ago. I have continued to drive just harder to turn. A few days ago the car started making a high pitched whining sound. Just wondering if I am ...
21
votes
5answers
186k views

What does the 'cc' mean on a motorcycle?

I'm relatively new to motorcycles, my flat mate taught me how to drive his two Royal Enfields around New Delhi, and for the past year and a half I've been taking care of them as they break down ;) ...
1
vote
0answers
11 views

Power Steering leak

We had -30 this morning, when I went to leave in 08 Ram I had no P.S. and fluid leaking on ground. I put it into heated shop and refilled resevoir, let sit a couple house and now it works and no ...
0
votes
0answers
15 views

Steering Wheel Squeaks

My steering wheel has squeaked when turning the wheel left or right. I took it to a mechanic and he flushed the power steering fluid cause it was kinda dark but full. He also adjusted the belt. It is ...
0
votes
0answers
17 views

My bike isn't getting any power at all what should I do?

The bike is a 2013 Hyosung GT250 I've replaced all the fuses and the battery is good. But when I turn the key I don't get any power to anything at all.
19
votes
6answers
23k views

Why do car starter motors draw so much current?

I understand that most car starter motors' power is rated between 0.5kw to 1.5kw. Doesn't that mean that they are supposed to draw 40-120 amps? (500 w / 12 volts etc.. )? Yet when they start, they ...
0
votes
0answers
27 views

driving along and then stalling… and never to start again… what is it?

I brought a second hand Hyundai IX35 2015 model, which has less than 100k kms. I was driving home and felt it jerk forward, the motor sounded strange (at this stage I'd only had the vehicle 6 weeks), ...
0
votes
1answer
20 views

2011 Acura TSX 2.4l base model 6 spd manual transmision

I have 2011 Acura TSX 2.4 l, base model 6 spd manual transmission. In October 2018 it was experiencing a slipping clutch so had the clutch replaced at a garage. On the way back from the garage after ...
0
votes
0answers
17 views

2001 Suzuki Katana 600

Was riding down the road and the bike lost all power. Checked starter relay fuse was good. Put key in ignition absolutely no power at a with the exception of the clock
0
votes
2answers
596 views

Relationship between torque, power, specific fuel consumption, and AFR

How does Torque, power, and specific fuel consumption change with AFR? And why is it so? I found graphs relating these in books as well as websites but I couldn't find any good explanations.I have ...
1
vote
0answers
29 views

1zzfe low engine power

my 02 Toyota Corolla with a 1zzfe has 240k miles. It runs very well but has low power, especially uphills. What are your suggestions of things to look into? I have rebuilt the engine. I am thinking ...
1
vote
2answers
3k views

Used Wrong power steer Fluid in my Honda Accord

I used the wrong powersteering fluid in my 97 Honda Accord. Now the seal on the rack& pinion is so bad the fluid leaks completely out. Is there any way to correct this without having to get a new ...
2
votes
0answers
564 views

honda cb400 super four speed/power issue

Firstly, I have checked a similarly titled post (Honda CB400 Super-Four - Power Issue) and their symptoms are different so it's not relevant to me. My bike is a '97 CB400SF, all stock except for ...
3
votes
1answer
638 views

How many miles dare I drive when power steering fluid is foamy and orange, whining when turn?

My power steering fluid is foamy and more orange than red. There is a whining when I turn. It started 4 days ago. How long do I dare wait for an appointment to get it fixed? I will travel about ...
2
votes
1answer
76 views

On a V6 engine is it OK to replace one head and not the other?

Situation is the cylinder head of a Mitsubishi 3.0 liter V6 engine was damaged after sucking a washer into the intake manifold. Question: is it OK to just replace the one damaged head or do both ...
0
votes
1answer
21 views

Why Saab -90 loses suddenly all its power on 120 km/h but gains it back after restart?

I was driving uphill on the motorway, when the Saab lost all its power suddenly. I parked, restarted the machine, and the car worked again. I have rented the car. If anything happens to the car, etc ...
1
vote
0answers
62 views

Nissan Micra won't kick down into passing gear

My wife's car, 2008 Nissan Micra/March 1.2. Imported from Japan, if that makes a difference. Roughly 1/2 the time, the car won't kick down into passing gear. From a stop, the car goes through 1st, ...
1
vote
2answers
3k views

My motorcycle wont start unless jumped.

I have a 2009 Hyosung 250 and I've had this problem for as long as I've had the bike and through numerous batteries. I just purchased a new battery a few days ago and it checks out good puts out 12V. ...
0
votes
3answers
53 views

I found a car comparison with the following:

car1 car2 car3 Displacement (cc) 1591 1197 1497 Fuel Type Petrol Petrol ...
1
vote
1answer
215 views

Constant power to radio?

Normally, my understanding is that power to the radio is cut when the ignition is turned off. I am looking at installing a normal computer in a car (not an Android) and the problem is that if you ...
1
vote
1answer
227 views

ESP/ASR fault and no power on my Peugeot Expert 2015 2.0 Diesel

My car accelerated very much (kind of like pressing the clutch while accelerating) with a ton of white smoke coming from the exhaust, then it lost power, and the triangle and ESP lights showed on the ...
2
votes
0answers
232 views

2009 Honda Accord door locks only work with key fob - not door power buttons

Having a strange issue with my 2009 Accord. The door locks just stopped working when using the buttons on any of the doors. They lock and unlock just fine using the remote key fob buttons. I hear ...
7
votes
3answers
4k views

Motorcycle randomly loses power

I have a single cylinder, 200cc, carbureted, 5 speed, 12V, 2006 Lifan LF 200 motorcycle that typically runs fine. It will sometimes randomly lose power and I cannot get it to go above 25 mph. When ...
3
votes
1answer
619 views

Will a 12 V cooler box significantly affect the performance/gas mileage of my car?

I have an Apollo brand 12 Volt Cooler/Warmer, designed to plug in to my car's 12 V cigarette lighter. I am wondering if the power this device uses will significantly affect my car's performance or ...
1
vote
0answers
106 views

Help me diagnose my lack of power & lean condition

I have a 2000 Mercedes CLK 320 with the M112 V6 engine at 125 000 kms. The car has rough unsteady idle and is lacking a lot of its power - to illustrate, 0-100 km/h takes exactly 10 seconds, while ...
5
votes
3answers
24k views

Problems with Power Door Locks

I have a 2009 Honda Accord with approximately 95k miles. About 2 years ago, I began having periodic trouble with the rear driver's side door lock. All other doors would lock/unlock with the power ...
4
votes
0answers
48 views

Use electric vehicle as a mobile power source

I have a mobile car-wash company and I want my guys to have a fully 220V (2000W-3000W) power outlet available to plug their vacuum cleaners into. I thought I could buy an electric vehicle to "...
4
votes
2answers
2k views

How can a model with a smaller engine produce more power?

I am from India, here we have Ford Ecosport. Tt has different models, out of which one model with less cc produces more power than a higher cc model (999cc and 125ps) & (1497cc 123ps). How is this ...
0
votes
2answers
33 views

Limiting power from inverter

I have a Honda Accord 2003 which has a 7.5A fuse going to the accessory power sockets. I want to run something which would need an 8A fuse, but I recognize I can't simply swap it out. Could I ...
1
vote
0answers
23 views

Kia rio 2012 engi. 1.4 power supply relay

Dears, I have checked a car kia rio 2012 using active test for engine in diagnostic tool all test are succeed except the power supply relay i tried to locate it but I failed. Could you help me to ...
4
votes
2answers
3k views

Engine RPMs increase, but vehicle does not accelerate, has no power

2001 Nissan Xtrail. After driving for more than 20 minutes, the car seems to have less power. The rpm will go way up, but the car is slow. Rpm can go near the redzone, yet I’m still driving at 10-...
17
votes
6answers
96k views

Engine power specification at different rpm?

Car companies advertise the power of an engine at different rpms. Car 1: 80 PS at 6000 rpm Car 2: 85 PS at 6500 rpm What does the power at different rpm mean? Does it mean Car 1 has better power ...
1
vote
1answer
320 views

Sienna lurching, loss of power

OK drove my previously functioning 2000 Sienna, it was driving fine/like normal for a minute, then it started "lurching" when I hit the gas. Felt like it was losing power or starved or something, it ...
14
votes
4answers
14k views

Does accelerating faster worsen fuel efficiency?

I've often heard that accelerating harder makes for bad fuel efficiency, but have yet to be given a sound explanation of why. Naturally this makes me question this advice. Now obviously when you ...
0
votes
1answer
56 views

Power steering went out and temperature gauge running hot

We have a 2016 Jeep Compass. The temperature gauge goes all the way to H and the power steering went out. We put power steering fluid in but it's still really hard to turn.
1
vote
0answers
58 views

How to do system validation/verification tests for power window switches with anti pinch function, remote key door lock, smartphone control [closed]

I am planning to write test specifications for verification, validation of power window switches: driver side: auto up/down, manual up/down, door lock, window lock passenger, rear right , rear left: ...