A car is a wheeled, self-propelled vehicle. Normally, a car has 4 wheels and is designed for the transport of passengers. Depending upon locale, cars may also be called 'autos.'

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City Jetta Passenger Windows Unresponsive

I have a 2008 VW City Jetta. About a month ago, I had a remote car starter installed - big mistake. Upon installation, all passenger automatic windows were no longer responsive from either the driver ...
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3answers
13k views

What disadvantages a car with 4-speed transmission have compared to 5, 6 or 7 speed with similar engine?

This seemed to be most relevant site to ask my question. I am planning to purchase a new car and my shortlisted car has 4 speed automatic and 1.6 litre engine. The thing that worries me is that it ...
8
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2answers
37 views

Losing coolant fast after just fixing radiator

I have just got my coolant tank and radiator replaced after a leak in the radiator and a cracked coolant tank. I filled the coolant tank last month and now it is nearly empty. I am just wondering if ...
10
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1answer
81 views

How does the tachometer on my dashboard actually work?

Recently, I asked a question about the speedometer, how it works and how accurate it is. But that got me thinking... how does the rest of the dash actually work? I understand that the RPM measurement ...
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2answers
51 views

2004 VW Passat B5.5 - Why are my wing mirrors being weird?

Today whilst I was trying to park my 2004 VW Passat B5.5, I noticed that something to do with my wing mirrors wasn't working quite right. When the toggle was on the left position, the left wing mirror ...
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0answers
19 views

How to maintain a car's interior when left unused?

My friend owns a five year old Skoda Fabia, which he uses once in a month or two as he goes out of the town frequently. His car is fully covered while it is parked in the garage. Recently when he ...
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2answers
39 views

Peculiar Interior Lighting Issue

Recently a friend of mine was driving a VW Fox (not new, I'm not sure what year but it was certainly 5+ years old) home in the dark with the lights on. Strangely, after a minute or two of driving all ...
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2answers
33 views

Why might you choose to change to using an aftermarket throttle body?

I have heard that some people might want to buy an aftermarket throttle body. Is the reason for this simply to replace a broken one or are there also other specific advantages (and disadvantages) to ...
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1answer
45 views

What are slip rings with respect to a cars alternator?

This is not a physics forum, and as such I don't expect answers to explain Faraday's law of induced emf (electromotive force), which is the basic physics principle behind how an alternator is able to ...
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1answer
47 views

What is the effect of the throttle body on the power curve produced by the engine?

I heard from another member of this community that the throttle body, among other things, has the ability to change the power curve of the engine. What exactly is a throttle body? How might the ...
6
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1answer
57 views

How come gears don’t normally change in an automatic car?

I know that there is a similar question here, and another one here that asks when an automatic gearbox knows how to change gear, but I want to know exactly how it does that. It was brought to my ...
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3answers
71 views

How can you use the headlights to tell the quality of your battery?

I understand that all headlights do dim briefly when you turn the engine on and that this is normal. I also believe that the headlights will dim more if the car battery is in poor condition. I hope ...
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2answers
96 views

What is wrong with my car?

My car had a broken piston, and broke down completely. I bought a new engine, and had it installed. everything seemed to be working aside from a low clicking sound when driving coming from the engine. ...
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2answers
57 views

How does the speedometer on my dash actually work?

So pretty much everyone knows what a speedometer is, the thing on your dash that tells you how fast you are going, whether or not you're speeding, and what speed you have the cruise control set to ...
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0answers
19 views

New 2015 no wrecks a lil fender bender still runs fine [closed]

It's a jeep patriot 2015 I had a fender bender still runs fine but every once in a while I'll start and it ticks a few times then nothing also on occasion when I accelerate it clicks a few times
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2answers
369 views

How can you optimise the rate at which your electronic devices will charge in the car (fast in-car charging)?

Like many people who use their car regularly, I like to charge my phone when I'm driving so that it isn't flat with I get to wherever I'm going. I know that some computers have a fast charge port ...
6
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1answer
50 views

What does it mean to have a stiff first gear?

This problem is a small one and it can only occur with manual cars, but I have been curious to find out more about it for a while now. Sometimes, when the car is attempting to pull away from a ...
5
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1answer
38 views

How to tell if you have a bad clutch?

I drive a 2004 VW Passat B5.5 that I bought used with quite a high mileage so it has therefore had a relatively large amount of usage (at 118k miles). I am curious to know how to tell if the clutch is ...
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2answers
935 views

How exactly does a differential work?

I understand that the differential (or "diff") is the thing that allows the drive shaft to transfer its rotational velocity to the front or rear axle in order to move the car. As far as I know, the ...
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3answers
310 views

What exactly is a catalytic converter and why does it need to operate within a certain range?

I heard here that a catalytic converter needs to operate within a certain "chemical range" otherwise it will generate unnecessary heat. What exactly is a catalytic converter? How does it work? What ...
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1answer
28 views

Water Powered Cars - What are these things?

Whilst looking up the answer to another question using Google regarding the water output from a normal internal combusted engine powered car, I noticed that - to my surprise - all the top hits were ...
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1answer
18 views

1995 Mercury Grand Marquis, loud whine corresponding to engine revving

My '95 Grand Marquis (or as I like to call it, a Grandma Rquis) is suddenly very loud. There doesn't seem to be any issue with the performance, and when it's idling, it's as quiet as can be. I'm ...
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1answer
58 views

What exactly is meant by the phrase “plugging in your engine”?

I have found a relevant quote from here that might be related: Plugged-in engines are already half-warmed when started. Fuel consumption is thus reduced by an average of 15 per cent over the first ...
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1answer
155 views

Alternative fuel consumption metric to MPG to measure actual engine efficiency?

MPG is all very well and good, considering that most people that are concerned about their fuel consumption tend to want to get as many miles as they can out of it before they need to fill up again. ...
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3answers
118 views

Why does my RPM drop when sitting idle at traffic lights?

While I'm sitting idle at traffic lights I put the car into neutral. The engine stays idling at about 1000 RPM. However every now and then it drops down to about 500 RPM and then quickly back up to ...
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1answer
66 views

Why is my car so icy in the winter?

The car is a 2004 VW Passat B5.5. The last few days have been colder than usual where I live (below 0 degrees Celsius). The outside of my car has been covered in ice in the mornings and I use a ...
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1answer
105 views

How do old cars actually lose horsepower?

I have heard that when a car gets old it slowly but surely loses its horsepower to some degree. For example, I used to drive a 1997 Ford Fiesta with a 1.25L 1242cc engine that supposedly produces a ...
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123 views

Can I buy a used car to learn auto repair & DIY?

I am seriously considering learning some auto repair knowledge. I don't want to use my good car as my experimental starter kit. So can I buy a used car somewhere and have it towed home just for the ...
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2answers
201 views

What are all the different types of fluid in a car and a short summary of their use?

A fluid is defined as anything that flows, hence for our purposes a gas or a liquid. I know that there is fuel, engine oil, engine coolant and brake fluid. Also air is normally taken in through a ...
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1answer
31 views

Displacement sensors for car wheel and datasheets

Probably title says it all, but I am on my design work for car suspension and cannot find a good displacement sensor for each of the wheels of the car. I tried to look up for accelerometers, which can ...
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1answer
28 views

Auxiliary input status and Auxiliary input / output supported OBD2 PID

I want to know what does Auxiliary input status (PID 1E) and Auxiliary input / output supported (PID 65) OBD2 PID mean. Do they tell me whether my car is in the Aux mode (while I am listening to the ...
3
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1answer
33 views

What exactly is a gearbox?

You know that gear stick that we all use so much? Well, I know what it does in the sense that I know how to change gear and drive a car with a manual gearbox, but I don't know much more than that. ...
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1answer
71 views

How much does a driver weigh?

I was amused when I saw one of the statistics for my VW Passat B5.5 car, which stated as follows: Kerb weight with driver - 1425kg I know this is a very weird question and I hope its not too ...
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2answers
62 views

2004 VW Passat B5 What and Where is the Locking Wheel Nut?

I was asked recently where I keep the "locking wheel nut" on my car. What is this? What does it do? How can I find it on my car? Do I even have/need one?
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1answer
67 views

New Case - Watered the battery and got rust on one of the engine pipe

I bought new car and I added battery water to level. But some spilled on the engine and one of pipe got effected and it has rust on it. I went to mechanic, he told me to apply diesel on it. I did, ...
4
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1answer
81 views

In the US, how do I tell if a car is in good condition?

Say I am planning to buy a used car in the US. How do I judge the car is in good condition? Are there a specific set of documents I should ask for? What are the tests I can conduct before deciding ...
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1answer
44 views

Poor battery condition, replacement required! Or is it?

I drive a 2004 VW Passat B5. Recently, my insurance company came round to fit a black box to my car as part of the terms and conditions of my car insurance policy. Whilst they were doing this they had ...
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6answers
65k views

The battery is fine but my car will not start not even a clicking sound

When I turn the key in to start all the lights on the dashboard go out completely and when I turn it back to the off position the dash lights back up. What could the problem be if the battery is okay? ...
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2answers
85 views

Camshaft problem not sure what needs replacing

I'm Looking for a part name and info on what could have caused the problem. So I have an 03 peugoet 206 1.4 HDI and I lost a cylinder after going though them by disconnecting each injector and can ...
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1answer
40 views

Cam Belt vs Belt Drive vs Serpentine Belt vs Fan Belt vs V Belt vs Timing Belt

I have a 2004 VW Passat B5 and having started to learn a bit more about engine theory, I was wondering how many belts I have and what names each of the belts have. So, I have a two part question: ...
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4answers
1k views

Should I fill my tire?

I measured the PSI on my rear driver tire (using a gauge pin - push it into the needle and a stick pops out with a reading), and I got a reading of 22 PSI. My tires are supposed to be anywhere from ...
3
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1answer
80 views

What kind of tools could I use for some aluminum body finishing work without doing any cutting?

I got into a really bad wreck last winter. My power steering was leaking and had locked up in the middle of an icy road, while I was trying to find a median at night. The guy hit me going around 70 ...
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2answers
154 views

VIN information such as Moonroof, engine, etc

Supposed I want to buy a new car and I have its VIN. Is it possible to find information about the car such as whether it has a moonroof or turbo engine from its VIN number? There are services which ...
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1answer
180 views

How to program spare key for Toyota Premio 260

I have a Toyota Premio 260 model vehicle, anybody please help me to pair my extra smart key to my vehicle. your help highly appreciated.
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2answers
354 views

Scratch front bumper white car

I have scratched my car tonight reversing in the garage, when I turned the wheel I scratched the front to a concrete column. My car is a Subaru Impreza Wagon 2007, white This is a link to a photo. ...
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2answers
50 views

I'm planning to buy a 2nd hand car, how do I know if a car won't give me headaches in the future? [duplicate]

To set your expectations, I haven't owned a car before. The only experience that I have with cars is for 20+ hours (this was driving school). After having read discussions about buying a new car vs a ...
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4answers
195 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 ...
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1answer
63 views

What is the area in front of a car where brand logo is held called?

I have seen the design of so many cars out there specially there front panel where logo is rested, it really looks eye catching. What do we call that panel in automotive terms ?
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5answers
9k views

Adding a additional battery to car

I have purchased a brand new Toyota Innova. I need to install a a mac mini, 2 laptops and make this car a mobile office. I need to know if I can install another car battery in parallel, and will ...