3
votes
2answers
84 views

Can I put 225/75R16 on a vehicle meant for 245/75R16?

I have a retired 2000 GMC Savanna 250 with 225/75R16 tires that have plenty of tread, no signs of dry rot, and are only 3 years old. My newer vehicle is a 2009 Ford E350 extended, and it needs at ...
4
votes
2answers
304 views

Is there correlation between fuel efficiency and preferred gear at certain speed?

It may very well be just my imagination, but 3 months ago i decided i can do 30 miles per hour on 3rd gear and not shift to 4th. It didn't seam like the engine was under any extra stress or anything, ...
5
votes
1answer
37 views

Where can I find statistics regarding car life expectancies?

I am in the process of buying a used car and I'm having some difficulty estimating the longevity of vehicles I encounter. One can speak of car longevity in different ways, but for this question let's ...
7
votes
1answer
64 views

What is a Blower?

I've heard of this component being used on Hot Rods. What is a blower? What does it do? Are there specific requirements for utilizing one? Are there any disadvantages of using a blower?
6
votes
1answer
57 views

'96 Saab starts, stalls

My poor Saab 900 is having touble getting going. I was away for about a month, and got the oil changed before I left. When I came back, I drove the car to my grandmother's and back, about 15 minutes ...
4
votes
1answer
25 views

2002 honda accord dim lights will not work

Both dim headlights quit working at same time, both brights headlights work fine. Fuses are ok and the relays in fuse box control right side and left side. There is no relay for brights and dims.
3
votes
0answers
23 views

1998 Mazda 626 LX

I have a 98 Mazda 626 LX. About a month ago it suddenly was shaking really bad took it to Midas for the check engine they told me it needed a fuel flush, trotted body cleaning, and fuel system flush ...
4
votes
0answers
37 views

I changed struts and got alignment done, shop said steering is “returning from the right too fast”

Vehicle is 2006 Toyota Sienna AWD. I changed struts and sway bar link arms and then got alignment done, shop said steering is "returning from the right too fast." They said the alignment was all ...
5
votes
2answers
541 views

Why do you have to replace brake pads on both rear wheels at same time?

I have a 2002 GMC Yukon 1500XL. The right rear brake caliper went bad because of a torn rubber boot, which caused the brake pads on that wheel to wear out really quickly. I replaced the caliper, rotor ...
7
votes
1answer
61 views

How to test gas station air compressors before use?

Yesterday I was with my wife and three children in the car, 300 KM from home just after sunset. I pulled into a gas station and as before all long trips, I dialed 31 PSI on the gas station's air ...
7
votes
2answers
187 views

Distinguishing between mechanical and electrical failure in ignition diagnosis

After a month and a half of not driving the car, yesterday I tried to turn it on, however the only sound that I heard was the rotation of the starter, which is not engaging the flywheel (the engine is ...
3
votes
0answers
23 views

What are the brightest bulbs for projector headlamps?

I bought some projector headlights with Hi 55 watt bulbs in both the high and low beam modes. The low beam, which is the projector lens, isn't that bright. What other bulb would be recommended for a ...
8
votes
1answer
49 views

Is it possible to extend the length of the shaft on an existing turbocharger, further distancing the compressor from the turbine?

I'm toying with turbojet engine ideas, and over the course of my research it occurred to me that the combustion chamber could be more power-efficient and space-efficient if it was aligned in the ...
5
votes
2answers
28 views

What kind of service to get done on a car in its 4th year but having only 10k miles?

My car (2012 VW Passat SE) is in its 4th year but only has 10k miles on it. I am wondering if I need to get the 40k/4year service done on the car which is going to cost $700 (I think it includes a ...
6
votes
1answer
67 views

What is the problem if my car's engine stops running in the middle of a ride?

My car's engine frequently stops in the middle of a ride. Its an old model of Hyundai Sonata 2004. This happens especially in high gears(3,4) and faster speeds (like 60-70 mph). It has also happened ...
1
vote
1answer
28 views

Is this PCV hose broken?

I asked a question earlier about a P0171 MIL in my 2007 toyota corolla. The question is here: Diagnosing P0171 2007 Toyota Corolla I only have a OBD2 reader, I just bought a scanner, which should come ...
1
vote
1answer
32 views

One time snow removal [closed]

I rent in an urban area, so I don't own a shovel - weather almost never requires! But the East Coast got hit with an unusual storm, and my car is snowed in. Is there a way to dig out my car short ...
15
votes
2answers
70 views

Does (forcefully) overriding the self-canceling damage my indicator levers?

Sometimes I don't want my indicators to self cancel, so I hold the indicator on while turning the wheel, and it makes a cracking/clicking noise. Am I damaging anything if I do this? EDIT: To ...
6
votes
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 ...
3
votes
2answers
44 views

Can the throttle position be high during idle

I used an OBD to get data from one of my friend's car - Volkswagen Polo 1.5L Diesel. But the car was idling at around 900 rpm, while the throttle position I got was around 22%. How is it possible? As ...
4
votes
2answers
97 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. ...
3
votes
1answer
15 views

reprogramming a key for 2006 chevy malibu

i changed the master key for my 2006 chevy malibu because the old key got lost. now i have lost the new key and found the old one. is there a way to reprogram the key to work again? Will the ...
3
votes
2answers
28 views

Temporarily stop fuel going to carburetor

A couple of days back I noticed my 2011 Yamaha Scorpio had begun leaking fuel whilst parked up. Upon close inspection it was just a slow drip coming from a tube near the rear of the bike. After ...
4
votes
2answers
60 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 ...
2
votes
2answers
27 views

Mysterious honda civic 2002 overheating some time

Okay, so lets start here. First my car started overheating. We changed the thermostat but it keeps on over heating. Let me explain my problem. I am driving on highways my heaters work perfectly ...
4
votes
1answer
35 views

Differences between Homogenous and Stratified-Charge operation

Gasoline Direct Injection (GDI) is becoming increasingly common in road-going production vehicles. From what I've read, GDI enables both stratified-charge and homogeneous modes of operation, which ...
3
votes
1answer
30 views

Lifetime transmission fluid

I'm looking a purchasing a 2006 BMW X5 3.0i and found out that the transmission fluid (by dealer) is not suggested until the vehicle surpasses 100k. They also state that the vehicle will let me know ...
4
votes
3answers
39 views

Would Pulling the Handbrake Help Remove Brake Rotor Rust?

The car is a Nissan Almera (N15) -99 with a 1.6 L gasoline engine. It has been standing still for over a year and some rust has developed on the brake rotors. The car has been standing under a roof ...
5
votes
1answer
32 views

Diagnosing P0171 2007 Toyota Corolla

First time poster trying to get into cars. So my 2007 Toyota Corolla (with around 89k miles) has a Check engine light that reads error code P0171 (System too lean Bank 1). I was looking that up and ...
1
vote
1answer
16 views

Remote will not always unlock car plus cannot insert key into ignition? [closed]

Remote will not always lock & unlock car doors + key will not turn in power ignition. I did have it changed twice plus replaced remote battery twice 06
6
votes
2answers
370 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 ...
3
votes
3answers
74 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 ...
3
votes
0answers
24 views

Ticking sound when stepping on Brake

I have this ticking sound somes when I press on the brake while is not moving and on Parking but the Engine is on.I changed the rear rotors, pads , and the right rear right caliper, but the sound is ...
6
votes
1answer
120 views

Starter solenoid clicking continuously

Any advice on this would be greatly appreciated. My car would not start yesterday. When the ignition was turned, all that could be heard was a continuous clicking which then slowed after a while, ...
6
votes
1answer
52 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 ...
4
votes
1answer
16 views

Vespa Plug,Contact Point and Condenser

For my Vespa P150 x I want to know technically regarding to Plug What should be the color of a healthy plug spark? Mine is a blue red like color. Contact Points How can I check that the points of ...
3
votes
0answers
23 views

malfunction indicator light after a charge to low battery

malfunction indicator light on after I charged my battery. My low battery often needs a quick charge 3 min or so in the morning then car starts all day. light went on after a quick charge and would ...
6
votes
0answers
22 views

Mercedes ML350 M272 random misfire on cylinder 3 and 4

I have replaced spark plugs but am still getting misfire on cylinder 3 and 4. Sometimes it runs ok. and then other times theres no power.
7
votes
3answers
46 views

2005 Toyota Corolla intermittant battery drain when not running

I have a 2005 Corolla CE with manual transmission. About one month ago the car would not start, and the battery was discharged to about 8.5V. Car had been not running for a couple of days but nothing ...
5
votes
1answer
28 views

Motor and radiator problem will there be and damage to motor or anything [duplicate]

Hi guys ive got one question i was looking over this car i was going to buy and there was engine oil in the radiator i ask the guys why it was in there he said he didnt have enough coolant to fill it ...
5
votes
2answers
46 views

The top speed in the my owner's manual seems to be too low. Is this normal?

How the quoted figures for top speed determined for a car (from 2003)? To be specific, my 2003 Opel Agila 1.2i has a quoted top speed of 96mph, but I have exceeded this on several occasions on flat ...
12
votes
5answers
513 views

How exactly does running fuel-lean increase the temperature of ignition?

I learned in this question that running an engine fuel-lean will increase the temperature of ignition, among other things such as causing problems with the catalytic converter. I have no idea how or ...
4
votes
4answers
242 views

What exactly is ram air induction?

As far as I can tell, a ram air induction kit performs a similar purpose to a turbo or supercharger in that it is designed to force more air in to the engine, boosting power output of the engine. Fuel ...
5
votes
1answer
41 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 ...
7
votes
1answer
37 views

My rpms are going high and my mph take a minute to go higher on my GMC Yukon

When I put my truck in drive and step on the gas the RPM's go up to 3,000 but my MPH will stay at 10-15 When I let go of the gas a little bit I can feel the truck kind of pull and the RPM's will go ...
6
votes
0answers
24 views

'04 Daewoo Nubira brakes keep sticking on after disc and pad replacement

On my '04 Daewoo Nubira I have been and had new discs and pads all round and now the brakes keep sticking on, I have been advised I now need new calipers all round, how can I tell if its them or that ...
6
votes
1answer
43 views

Fan accelerates increasingly when idle/at a stop

I have a 2004 Jeep Grand Cherokee. While sitting in idle/at a stop, temperature increases a little to just above 210 and the fan is increasingly loud - sounds like it's going to burst out. It also ...
4
votes
2answers
44 views

Engine MPG / Economy

I drive a 4 cylinder Mitsubishi lancer evolution and I CAN get UP TO about 20 mpg on the highways. What determines MPG? How is it that engines with twice the number of cylinders, and in some ...
11
votes
6answers
282 views

What is the difference between torque and horsepower?

A very basic question - what is the difference between torque and horsepower? Its all over Google, but I am really confused and can't get any satisfactory answers. I'll tell you my confusion: Torque ...
4
votes
1answer
33 views

Toyota Corolla '70-'73

I am seriously thinking about acquiring a Toyota Corolla from the E20 or 30 series (1970-1973, 1974-1979),but I have some concerns I would like to discuss and clarify if possible: The car does not ...

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