5
votes
4answers
2k views

Does the tachometer provide any indication of fuel usage?

So, I'm driving along on the highway with the A/C blasting when I notice the price of gas. It makes me think, "what can I do to increase my fuel efficiency?" Some of the tips I've heard have included ...
4
votes
2answers
296 views

Ways to increase driver space and comfort in a small car?

I'm the owner of a 2003 MG TF[see photo], I love the car although being 6'4" it borders on uncomfortable when driving longer distances and is not very dignified getting in or out, and my knees brush ...
4
votes
2answers
959 views

Dealership Installed “Oversized” Oil Drain Plug As Solution

In this question, we discuss stripped oil pan threads. I learned it is a result of user error - over tightening and cross threading, by the dealership I consistently go to. Many people have come ...
4
votes
3answers
4k views

Durability of automatic transmission boxes versus durability of manual transmission boxes? Their lifetimes?

My friend is against cars with automatic transmission because he thinks that they break easily and that their repairing cost a lot. He thinks that it is impossible to maintain an automatic ...
4
votes
2answers
36k views

Car Battery won't charge after sitting for a Year

I have a main starter battery and a leisure batter in my van. They have been left unused for around a year with my van off the road. I am now trying to get it up and running however I am unable to ...
13
votes
4answers
3k views

Is downshifting on hills harmful for non-trucks? [duplicate]

Possible Duplicate: Does Downshifting (Engine Braking) Cause Extra Wear and Tear? Since the days of taking drivers ed (many years back). I was told that when you encounter a steep or ...
12
votes
3answers
7k views

When car is standing still, I smell Diesel exhaust. Why?

In my 2003 Opel Vectra, the cabin air smells of Diesel exhaust while stopped at e.g. a red light. The exhaust smell goes away when driving, and it also doesn't come back if I turn the ventilation off ...
11
votes
10answers
63k views

Is Prestone “All Makes/All Models” coolant *really* compatible with all models?

My car's manual says to use the blue Honda coolant: Always use Honda All Season Antifreeze/Coolant Type 2 [MSDS]. This coolant is pre-mixed with 50 percent antifreeze and 50 percent water. ...
10
votes
6answers
21k views

Is it okay to leave a car for 5 months without driving it?

I need to travel to the east coast and work from there for a duration of 5 months. I can leave my car in covered parking here and ask a friend to start the car for a few minutes every week. What ...
10
votes
2answers
26k views

How should I remove stickers or pinstripe decals from paint?

I want to remove a dealer's sticker from my car. The sticker is on a painted surface. What is the best way to do it? Could I remove pinstripe decals in the same way?
10
votes
2answers
7k views

2005 Dodge Ram: easy way to diagnose code P0420?

My truck is reporting a code P0420, which apparently is "Catalyst System Efficiency Below Threshold (Bank 1)" which can either be the catalytic converter or the rear O2 sensor. The code came on at ...
9
votes
3answers
49k views

Just HOW urgently should I replace this tire? Is it safe to drive on at all?

It's my rear right tire. It has a significant bulge in the sidewall. Here are two pictures of the bulge (original URL): Do I need to replace it before I ever drive on it again? Should I put on ...
9
votes
7answers
29k views

Does a strut tower bar have any useful effect on chassis stiffness for a car with 100K miles?

Aftermarket strut tower bars are generally considered to be decorative on many brand new cars. However, it seems to be a bit more logical that a chassis with 100K miles would have developed some flex ...
8
votes
2answers
9k views

How much power (HP) do the components on the engine belt generally use?

In general, how much power (HP) to the components on the the engine belt actually use? I'm trying to come up with an estimate of how much horsepower an engine wastes on things like the AC compressor, ...
8
votes
2answers
3k views

What are the benefits to waxing a modern car?

I was taught that waxing a car helped protect the finish by preventing damage from the elements - water, salt, etc.. The first vehicles I owned (a 1981 Impala and a 1978 Thunderbird) developed larges ...
7
votes
1answer
374 views

What does a healthy spark plug look like?

The spark plug pictured here: Has some black carbon on the underside of the ground electrode and has black carbon on the "base" area below the centre electrode (not pictured). Is this normal and ...
7
votes
1answer
3k views

Engine revs up when braking

Background: 2012 Honda Civic EX, 5-speed automatic, with no mods except a non-stock tire (ran over a large bolt). I keep it maintained per the manufacturer's manual and always see the Honda dealership ...
6
votes
3answers
563 views

Do you really need to cool down your turbo after hard driving? [duplicate]

Vehicle: 2012 Subaru Sti I have been driving turbocharged cars for a while now and I have blatantly accepted that before shutting down you must let your car idle for a few minutes after driving hard ...
6
votes
1answer
95 views

Oily Sludge in the Intake Manifold

When taking off the throttle body to clean my IAC, I noticed that there was a thick layer of oily sludge coating pretty much everything inside the intake manifold: I have two queastions: How did ...
6
votes
1answer
107 views

Buying Car Parts Online

It's clear to me that car parts are cheaper when purchased online rather than through the mechanic. I've been buying tires and break pads online for years with few problems. Now, the wheel bearings ...
6
votes
2answers
219 views

How to know if I need new tires?

For the first time in my years of driving, I slid pretty badly the other day. I've slid before a little bit, but this is the first time I slid badly-- I nearly went off the road. Granted, it was ...
6
votes
3answers
2k views

How should I prevent my battery going flat when I leave my car alone for a month?

I will be leaving my Focus alone for around a month in (scottish) winter weather. Ordinarily I would make sure to take the vehicle out at least once a week to prevent the battery going flat in the ...
6
votes
4answers
11k views

How to know if timing belt failure will result in immediate engine damage?

I own two cars: a 2003 Acura TL and a 2005 Volvo S60. I've been told that depending on what car you drive, a failed timing belt can result in immediate engine damage. I would like to know (not just ...
6
votes
1answer
1k views

Heater smells like sulfur

I drive a 2006 Toyota Sienna. When driving with the heater on I often smell sulfur. This is more common when I am driving up a hill, but if I turn the heater off, the smell goes away. What causes this ...
5
votes
4answers
234k views

The car won't start, not even click, but everything else works fine in the car

The car has powerful new battery (1 week old). I drove the car and after 4 hours, the car will not start, not even click when you try to start the car? All the lights are ok and they are not dim. What ...
4
votes
1answer
25 views

Evaporator canister purge system advice needed

1995 Blazer - 4.3 L Vortec V6 CMFI (vin W w/ PCM) 230,000 miles There are no trouble codes. This is a OBD-I or 1.5 system from a GM transitional year (I have the OBD-II style connector). I have ...
4
votes
1answer
121 views

Is it necessary to have the good car's engine running when jumpstarting

When jump-starting a vehicle, one first connects the positive and negative terminals between the two cars: positive to positive and negative (good battery) to a bolt head on the vehicle with the dead ...
4
votes
3answers
3k views

Ford Taurus common oil leak area?

On my last oil change, the technician noted some oil around top and side of the engine block and said there is a small leak. The only way to find where it is coming from is doing the whole dye test, ...
4
votes
3answers
20k views

Cost of replacing struts on a 99 camry - and is it doable on our own?

My girlfriend is having a heck of a vexing time with navigating her options for getting the rear struts on her 99 camry replaced. One major chain auto repair store quoted $580-$600 for the job. ...
4
votes
3answers
3k views

Low beam headlights don't work, High beam headlights do

The vehicle is a 2003 Chevrolet Trailblazer. The low beams aren't working. High beams are. The fuse is perfectly fine (tested and swapped out). The bulbs are fine too. A mechanic told me it could be ...
4
votes
1answer
4k views

toyota corolla 2001 air duct smell

My 2001 Toyota Corolla recently started smelling very foul whenever the air system was turned on. According to the research I've done online, there is no cabin air filter to change. The glove box ...
3
votes
4answers
3k views

Does switching to neutral on an automatic transmission improve braking for immediate stopping?

I've been told that when needing to brake quickly, throwing the gear into neutral on an automatic transmission actually allows for better/quicker braking. I understand how things work pretty well but ...
3
votes
4answers
18k views

What precautions are needed when charging a car battery in an apartment?

Suppose a car owner lives in an apartment building and parks his car nearby. He wants to detach the battery, bring it home and charge it with a mains-powered charger indoors. How to properly handle ...
3
votes
2answers
7k views

How do I add a second key fob to my 2008 Prius

I have a series II 2008 Toyota Prius. I purchased a second key off of eBay and would like to program it for ignition and remote control.
3
votes
3answers
4k views

turning right causing small vibration and noise

My 2004 Ford Focus makes small grinding and vibrating noises when turning to the right. The problem was much more severe earlier this month. I took it to the shop and had them get me new tires and an ...
3
votes
5answers
5k views

2006 Kia Sedona intermittently not starting

What could be causing my (non-)starting issues? Occasionally (once every two weeks or so) when the keys are inserted and turned to the start position, nothing happens. No noise, no dome lights dimming ...
3
votes
2answers
1k views

Occasional Vibration at specific highway speeds.

Symptom: At certain speeds (70 mph, 40 mph, etc.) there is a noticeable vibration. Vehicle: 1998 GMC Sonoma (2 wheel drive) The vehicle was purchased used and had similar symptoms at the time. ...
2
votes
2answers
247 views

Mileage varies by driving at different speeds

I drive my car a lot. I do lot of experiments with speeds while driving. Following are my observations: Driving at 60 - 70 km/h gives maximum mileage Driving at 70 - 90 km/h gives good mileage ...
2
votes
1answer
107 views

Should replacing the brake pads make braking feel “softer”?

I've just had the brake pads replaced on my Skoda Fabia- apparently they'd worn very thin. But now when I brake I have to push down much harder on the brake pedal than before. Is this to be expected? ...
2
votes
1answer
4k views

Slow acceleration, high fuel consumption after spark plug change

I have a 2000 Ford Ranger 4.0 L V6 4x4 model. I recently was having some problems with the truck idling too low when cold and I decided to change the spark plugs. I put in 4 out of the 6 new plugs and ...
2
votes
3answers
3k views

92 Civic engine won't start after replacing head gasket

I just replaced the head gasket in my 1992 Civic. Started it up before putting everything back together (just a second since it had no coolant, exhaust wasn't connected, etc.) and it ran fine. But now ...
2
votes
3answers
305 views

Is my mechanic ripping me off?

My 2002 ford focus (built after may 23) died and the AAA and tow guy both said that it needs a new fuel pump. Anyway I went to the mechanic and he said it'll be 350 for the pump and 200 for labor. I ...
2
votes
1answer
9k views

Check Engine Light on '94 Jeep Grand Cherokee

How do I get Check Engine Light codes (ODB-I) from a '94 Jeep Grand Cherokee, and where can I look them up?
1
vote
0answers
1k views

Fuel Consumption and other Fuel related data from basic OBD-II parameters

I want to know how can i obtain the values of Fuel Consumption, Fuel Economy and other fuel related information from basic OBD-II parameters like Vehicle Speed, RPM, TPS etc. I have noticed that not ...
1
vote
1answer
153 views

Volvos with the same parts as the Volvo 440 GL with 2 liter motor?

I have an old Volvo 440 GL (~1994) and I need to find a part to the exhaust system that costs the same amount as the car itself if bought from the Volvo company itself: this is the flange part in the ...
1
vote
2answers
1k views

How do I know if I need new brakes?

I recently purchased a car with 135k miles on it and I have no idea when the brakes were last replaced. I've done work on my cars before but never have changed the brakes, so I'm not sure how to tell ...
0
votes
3answers
7k views

Approximately how many hours of labour is involved in a clutch replacement

Because the cost of labour varies dramatically from country to country, region to region, city to city and sometime even suburb to suburb it doesn’t make much sense to ask how much the labour portion ...
0
votes
0answers
83 views

How to Get Basic Car Repair Knowledege [duplicate]

Possible Duplicate: Getting Started in Auto Repair I'm looking for some teach yourself sources for auto repair. I'd like to start restoring an old car in my dad's garage, but I don't have ...
20
votes
7answers
194k views

what is the difference between DOT3 and DOT4 brake fluids?

What is the difference between DOT3 and DOT4 brake fluids? What could possibly go wrong if I use a (4 times cheaper) DOT3 brake fluid instead of the DOT4 which manufacturer recommends (but allows ...
15
votes
6answers
56k views

Is it safe to drive a car that has a broken suspension spring?

Yesterday I was driving home from work and heard a loud noise which I can only really describe as a "clang". After looking at it today, it looks like the spring for the front left (passenger side) ...

15 30 50 per page