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8
votes
5answers
34k 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 ;) ...
6
votes
5answers
33k views

How many amps should my car pull while it is turned off?

I've recently started having a bit of trouble with my car. I typically drive my car to and from work each day. A couple weeks ago I went on vacation and when I returned, my car battery was as dead ...
5
votes
3answers
12k views

Engine power specification at different rpm?

Car companies advertise 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 than ...
5
votes
3answers
3k 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 ...
5
votes
4answers
666 views

Why does the power output peak and then drop as engine speed increases?

I have been looking at the power bands for my car (2000 Opel Agila 1.2) recently, as I want to work out when it is best to change gear and stuff, as I have no life! This is the approximate graph I ...
5
votes
2answers
2k 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
5answers
467 views

What good is it for an engine to have lower CCs and higher BHP?

I was watching "The Perfect Road Trip 2" by Top Gear, where at some point Richard Hammond is driving a Mercedes A45 AMG. He says that the car develops a whooping 355 BHP, and all that comes from a ...
4
votes
2answers
47 views

What's an acceptable battery power drop on light load?

After an overnight rest in the warm weather (above 16 degC), unlocking my 2008 Jetta 2.5L SE, my OEM battery with the minimal "welcome" electronics -- remote open of the driver door a few seconds ...
4
votes
4answers
6k views

How does cold, dry weather affect horsepower?

It's now properly winter over here in Australia, and the butt dyno is very favourable of the cold, dry air. It's like a free cold air intake for everyone, right?? I can think of two scientific ...
4
votes
1answer
82 views

Could 1.9 Nm be enough to accelerate 130kg electric go-kart?

I'll apologize in advance for a fuzzy question. My problem consists of two parts. For starters, I'm trying to buy a DC engine for learning purposes and most of them only specifies the watt (which I ...
4
votes
2answers
124 views

how do i know if my lead-acid battery has been resurrected?

The OEM battery in my 2008 Jetta SE 2.5L has been nearly fully discharged one month back (had insufficient surface charge after a prolonged use without the engine running, but leaving it idle for 20 ...
4
votes
3answers
740 views

BMW e36 320i motor looses power significantly out of a sudden

I have a 1992 BMW e36 320i, when i start in the morning, or in cold weather, the cars functions normally and has a lot of power. However, after a little, or when the weather is hot, the car ...
4
votes
1answer
68 views

Alternator/Battery power question

Good Afternoon, I have a 2014 Ford Focus SE that i use as my Work Vehicle. I work in Emergency Roadside Assistance. I have to run a laptop In the car in order to direct calls to other employees and ...
3
votes
3answers
36k views

Possible reasons for loss of power, engine shaking, and smell of liquid fuel (not burning)?

The car (Renault Megane 1998 1.6e hatchback) lost power (about 500rpm in a bursty rhythm) after I re-ignited on a traffic light, the engine started shaking, and I could smell liquid fuel. There was no ...
3
votes
3answers
3k views

Does a car lose its pickup with age?

I bought a used 2001 Lexus ES 320 with 195K miles on it. It drives well, but I feel its pickup is not as good as I would expect from a 3.0L V6 engine. By pickup I mean the time it takes for the car to ...
3
votes
2answers
188 views

2006 Mustang GT: Left car for 1 week, no power when returning

I went on vacation for a week. The car was working fine before I left. I came back and there is no power. Can't turn on headlights or unlock/lock with remote, and the car gives a clicking sound when ...
3
votes
1answer
163 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 ...
3
votes
1answer
50 views

MX5 lost power after spark plug change

I own a Mazda MX5 mk2 1.6L. I had severe problems with engine misfiring, caused by the valve cover seal, to leak. The oil that was leaking was concentrated near the spark plugs, and periodically it ...
3
votes
1answer
54 views

What is the general rule, if one exists, for determining the difference between crank horsepower and wheel horsepower?

If a vehicle has a known crank or wheel horsepower rating, is there a method that can reasonably estimate what the other horsepower value should be? If so, what is that method? For example, if a ...
3
votes
2answers
847 views

would a sulfated discharged 12V battery charge at 12.5V?

I got a Stanley FATMAX RE-CHAGEiT 8AMP Automatic Battery Charger & Maintainer from Walmart for 29,97 USD, which appears to have three states of charging the battery -- detecting the voltage, rapid ...
3
votes
1answer
570 views

2001 Hyundai Santa Fe power steering leak

Where is the power steering return hose on a Hyundai Santa Fe? Is there a diagram somewhere that shows how it is run?
3
votes
1answer
358 views

1995 Chevy s-10 4 cylinder running hot but not overheating

I am having an issue with my s-10. It runs hot but is not overheating. It started when I replaced the temperature sending unit and thermostat. I put in an additional thermostat to make sure the first ...
3
votes
1answer
403 views

Brake Specific Fuel Consumption of 2-stroke vs 4-stroke

How much fuel do various types of engines burn per power output? I'm especially interested in naturally aspirated piston engines, and comparing two-stroke to four-stroke. The wikipedia article gives ...
2
votes
3answers
128 views

Effects of significant draw on alternator and battery

Hypothetically speaking, let's say I've equipped a vehicle with an aftermarket audio system with an amplifier that has a higher draw (in amps) than my alternator produces causing my average voltage ...
2
votes
2answers
927 views

Larger cylinder volume, but less power, how?

KTM Duke 200 which has an engine of 200 cc, and, on the other hand, Royal Enfield Bullet 350 with a 345 cc engine. I.e. Enfield has 150 cc more than the Duke. But KTM produces 25 BHP of power, whereas ...
2
votes
1answer
95 views

1988 chevy k1500 350

I have a chevy that has a loss of power and stalling. About a week ago I drove it and it would spin the tires over, but the next day it wouldn't. it could be bad gas the truck was in the shop for ...
2
votes
1answer
3k views

how fast does the alternator charge the battery?

It would appear that the common word of wisdom is that car alternators provide 50A of output. I actually looked at the supposed specs for my 2008 Jetta 2.5L on the internet -- a compact car -- and it ...
2
votes
2answers
2k views

'98 Honda Accord electrical/power issues… What could the culprit be?

I've been having some gradually worsening issues with the electical & power functioning of my 1998 Honda Accord. Here's a detailed rundown of the symptoms I've been experiencing since I first ...
2
votes
2answers
739 views

Is it possible to install power door lock on KIA Forte LX?

My 2010 KIA Forte LX has no power lock from stock, but it has wires in doors. Is it possible to put lock actuator from EX model? Or in any other DIY way? I've checked a lot of forums, but there is no ...
2
votes
1answer
1k views

1999 jeep grand cherokee power loss (electric)

ok guys hopefully someone can help me with this one. i have 199 jeep grand cherokee laradeo all wheel drive 4.7 power locks windows ect. in the last few weeks i have an complete power loss.. ...
2
votes
0answers
96 views

97 Jeep Cherokee check gauges light came on and then my battery gauge dropped down to 9 didn't lose any power?

I'm so confused I had just left my house and got 3 blocks away and my check gauges light came on, then my battery gauge dropped down to 9v. My Jeep didn't lose power, and the radio, heat, lights and ...
2
votes
1answer
179 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 ...
2
votes
0answers
87 views

2001 Subaru Legacy L Wagon - Gas smell and light shaking

So... It is really freezing and has been really cold these past few days. But, my 2001 Subaru Legacy L Wagon started acting up. First, here are things I know been replaced before I got it - Tires, ...
2
votes
0answers
175 views

1992 Mitsubishi 3000gt sl. no power and won't go above 2k rpm

I bought an automatic 1992 Mitsubishi 3000gt sl 2 days ago. I got it cheap knowing it would have problems, and that's why I'm here. When I put it in drive and slam on the gas the car just simply ...
2
votes
1answer
2k views

can i split off another circuit from fuse box to run power to cigarette lighter?

I am not getting any power to my cigarette lighter or to the fuse in the fuse box. I have a 91' Ford Ranger with around 110k miles so other than that and the air conditioning it runs fine. I was ...
1
vote
1answer
893 views

What does 'peak power' mean in car inverter characteristics?

I'm looking for a power inverter to use it primarily to power up a vacuum cleaner in the car. The vacuum is 550 Watts. There are power inverters 600+ watts, but they are a bit more expensive and ...
1
vote
1answer
77 views

Why dual motor Tesla has more autonomy?

Maybe the question is more appropriate for Electronics Stack Exchange, I don't know. In the page http://www.teslamotors.com/models if we scroll down we see the several flavors Tesla sells its Model ...
1
vote
1answer
479 views

how to find if a car can drive on hills easily or not?

I have a Daihatsu Mira car with 650cc, it has a Turbo Engine with an automatic gearbox. I want to go to a hill station but not sure that this car can drive there easily or not. I want to go to a point ...
1
vote
1answer
92 views

Battery high voltage

I measured my "cigar socket / outlet" with a multimeter. Instead of 12v it had 19v. Is this normal? Is it my voltage regulator, alternator, battery that has problems? Car: Peugeot 307, 2.0 XSI 2003 ...
1
vote
2answers
174 views

2002 VOLKSWAGEN GOLF CL 1.4 - No power for first 3 mins driving

My car is displaying the engine management light on the dash. To date my mechanic has replaced a pencil coil and cleaned the airflow meter. First he said it was the lambda sensor that was not ...
1
vote
1answer
81 views

Renault Fluence voltage source under dashboard

I want to connect an electrical device that runs on 12V or less voltage. Where can I connect it from below the dashboard (the lighter doesn't count, unless it has an under the hood part).
1
vote
1answer
391 views

BMW 33D 2001 no power problem

I have: BMW 330D, 2001 year, saloon, 135kw Recently I have change the turbo charger of my car. There was a problem related with this post. Then I went to the garage and they ran the diagnostics. ...
1
vote
1answer
125 views

Access to front ceiling light box on a 2006 Acura TSX

I'm trying to follow these instructions for my similar TSX: http://tl.acurazine.com/forums/showthread.php?t=540405 But I haven't found the proper way to remove the front ceiling light cover (the one ...
1
vote
0answers
31 views

Renault kangoo 1.4 2006 has no power

My vehicle has no power.. she will drive and reach normal driving speeds for both town driving or open road..however when i need to gear down to overtake or when i need power, she falters and starts ...
1
vote
1answer
87 views

A Suzuki GZ125 marauder that won't power on at all

I've been having a problem with my bike. I went to go to work in the morning and it turned on ok. Left to run for a few minutes then cut out. It turned over again and same thing ... I tried a third ...
1
vote
0answers
49 views

09 honda vtr 250cc motocycle losing power

My Honda vtr 2009 250cc is loosing power during long rides. The throttle at this time does not pick and it slowly stalls. I tried replacing the plugs but still has not worked. It only solves the ...
0
votes
1answer
41 views

two 12 volt power sources into one device

How can I power one 12 volt outlet (feeding a xm radio transformer) from two separate 12 volts sources on a RV (ignition and coach power). Is it feasible to use 2 diodes
0
votes
1answer
37 views

Prestone power steering fluid

Can I put Prestone power steering fluid into a Buick Enclave? Or does it require OEM fluid?
0
votes
2answers
100 views

Mustang V6 sluggish pickup during day

Have been driving my stang 2013 V6 for almost 2 years now. Right from the day 1 I have noticed that outside temperature somehow made my cars acceleration/ pickup however you call it become sluggish. ...
0
votes
1answer
633 views

My Mazda 626 is loosing power steering; however, it is NOT leaking under car… What's wrong?

My Mazda 626 is loosing power steering; however, it is NOT leaking under car. What's wrong? I am not a mechanic; I'm puzzled why I'm loosing power steering fluid; however, it is not visibly leaking! ...