11
votes
2answers
31k 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?
9
votes
1answer
95 views

Interference vs non-interference engines

What do people mean when they say that an engine has an interference design? How does it differ from a non-interference engine?
9
votes
2answers
12k 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
102 views

Fiat Punto Wont Start. Fuel Light & Three warning lights flashing

My Fiat Punto 1.2 Year 2000 MK2 (I believe) will not start. The engine turns over but the car won't start. The fuel light is flashing and petrol gauge says empty which isn't the case. There are three ...
8
votes
3answers
232 views

Car won't reach operating temperature

Here's a seemingly simple problem - I noticed that the temperature gauge of my mother's 2004 Opel Meriva 1.7CDTI won't ever climb above minimum. I checked the OBD readings to see if it was a defective ...
8
votes
3answers
136 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 brake pads online for years with few problems. Now the wheel bearings on ...
8
votes
3answers
19k views

Can I use lower octane fuel at high elevation?

Here in Colorado, gas stations sell "regular" gasoline which is rated at 85 octane ((M+R)/2). In most of the rest of the US, 87 octane is the lowest grade available. (As noted previously, higher ...
8
votes
5answers
11k views

Doing my own fuel induction service - how to, and how difficult?

I was recommended to get a fuel induction service for a 2002 V4 Camry, and am considering doing it MYSELF. The reasons for considering this are: My car idles a bit rough, especially when the AC is ...
7
votes
5answers
270 views

Fuel consumption at same speed of different engine

I am wondering why two car running at 100 km/h for example with a 100 hp consume less fuel that an engine of 300hp. Even if I take a supercar lighter and more aerodynamics it will consume more. But ...
7
votes
1answer
2k 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
4k 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 ...
7
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 ...
7
votes
4answers
14k 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 ...
7
votes
6answers
6k views

Fuel efficiency and Shifting/RPM

I was reading a thread in a car forum where someone wrote: The lower the RPM, the less fuel you use, the less strain you put on everything.. Another person then replied, stating: Not true. ...
6
votes
1answer
171 views

After brake bleed, pedal goes to floor

2005 Toyota sequoia. Brake pedal was fine most of the time but occasionally it would sink to the floor while stopping and it would be hard to stop. I bled my brakes and now the pedal goes to the floor ...
6
votes
1answer
69 views

Starting using a deep-cycle battery

This weekend, during a camping trip, the starter battery on my 2001 VW Eurovan camper started to show signs of weakness - cranking was much slower than usual and took about 5 attempts to get the ...
6
votes
3answers
4k 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
303 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
2k views

What do the numbers in 195/60/R15 mean? [duplicate]

As far as I know, each type or size or whatever of tyres has its own set of numbers which presumably mean something. In the instance of my last car these numbers were 195/60/R15. What do each of ...
6
votes
3answers
241 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
1answer
2k 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 ...
6
votes
3answers
9k views

Intermittently fluctuating/non-functioning speedometer in Volvo 940. Possible causes?

I have a 1992 Volvo 940. A few months ago, the speedometer started malfunctioning intermittently. Sometimes it would read correctly, other times the needle would wobble around, and sometimes it would ...
5
votes
1answer
76 views

What is spark plug heat range

I was watching a show and their project was adding a bolt on turbo kit. In the process they mentioned that they needed a colder spark plug. What does a hot or cold spark plug mean? What changes ...
5
votes
2answers
98 views

Is my gas pedal long enough to enable heel-and-toe shifting?

I've heard much and recently watched a video about performing the heel-and-toe technique. I tried some dummy actions, with my car shut off and in neutral but it feels too difficult to successfully ...
5
votes
2answers
682 views

Why are gears designed in this pattern in motorcycles? [duplicate]

On motorcycles with manual transmissions, the shifting gears goes (down to up) like this: 1st Gear (all down) Neutral (half up) 2nd (full up) 3rd (so on) What is the logic behind this? Wouldn't ...
5
votes
1answer
3k views

Do I have to rely on wire color to correctly wire up an O2 sensor?

It seems that everyone and their grandmother has a different color-code convention for 4-wire O2 sensors, which complicates matters when one is trying to wire up a replacement "universal" O2 sensor. ...
5
votes
1answer
3k views

How can I diagnose gradual electric power loss in a VW Golf Mk5?

I'm experiencing loss of electrical power to my Mk5 Golf. It seems to happen mostly when the car hasn't been run for two or three days. We changed the battery a few months ago. More recently, there ...
5
votes
3answers
454 views

What do these compression figures mean

This is a follow up question to What are the causes of fluctuating intake manifold vacuum I have a 2005 Honda CBR600 F4i which suffers from occasional hesitation at low rpm when accelerating. After ...
5
votes
3answers
24k 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. ...
5
votes
4answers
357k 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 ...
5
votes
1answer
5k views

toyota corolla 2001 air duct smell [duplicate]

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 ...
4
votes
3answers
936 views

What exactly is a clutch?

I found out recently that the flywheel, driven by the crankshaft, is connected to (or part of) the clutch. I have a basic understanding of what a clutch does due to the fact that I know how to drive a ...
4
votes
1answer
112 views

How can I test my thermostat?

How can I tell whether a mechanical thermostat works as it should? Is there a test that can definitively tell me if a thermostat is good or bad?
4
votes
2answers
160 views

Is it reasonable to charge the customer $1000+ to assemble the top of the engine?

I recently have an engine overheat issue and see my previous post for details: How long does items in the engine last in general for standard size cars? This is an interesting follow up on that at ...
4
votes
1answer
77 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
1k views

Effects of driving through deep water WITHOUT hydrolocking (car still bogged down and died)

So, yesterday we had very heavy rains, and unfortunately I was driving in an unfamiliar area of town. I drove through high water, which caused my car to sputter and so I turned around. The car behaved ...
4
votes
2answers
3k views

What happens to a car engine when giving max throttle while not in gear

I was driving (well standing still actually) during rush hour, and I was suddenly wondering what would happen to a car engine when I would push the accelerator pedal all the way down while the engine ...
4
votes
1answer
145 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
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 ...
4
votes
3answers
4k 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
4answers
25k 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 ...
4
votes
2answers
9k 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.
4
votes
6answers
62k views

Is there a general fix or product I can buy to silence a squeaky belt?

I have a squeaky belt in my car that is driving me crazy! Is there a general fix or belt treatment product I can buy to silence a squeaky belt? If belts are squeaky, does that mean time for ...
3
votes
1answer
47 views

Should I change one spark plug and wire or all of them?

2 days ago I felt that something isn't right with my Ford. A mechanic told me that he wants to replace all four spark plugs and wires but could I just change the one? I'm scared that he's ripping me ...
3
votes
1answer
131 views

What CAN'T the check engine light tell you?

Usually when something goes wrong with my vehicle the check engine light comes on. I had an issue recently where the check engine light did not turn on, but the vehicle ceased functioning. I read the ...
3
votes
1answer
158 views

Timing chain cycle vs. sprocket marker position

I reinstalled the timing chain on my V6 Tacoma as per the Toyota official spec and the Haynes manual. I made sure that the marker notches on the intake camshaft sprockets line up to the marks on the ...
3
votes
2answers
99 views

1.6 Petrol engine overheats intermittently

I have a Vauxhall Vectra 1.6 (2007). The cooling system operated perfectly (a few kms after starting the engine the needle was pointing to optimum temperature without the slightest waver). 2 weeks ago ...
3
votes
1answer
13k views

What are the differences between a wet motorcycle clutch and a dry motorcycle clutch?

What are the differences between a wet motorcycle clutch and a dry motorcycle clutch? More specifically, what are the differences in applications performance reliability maintenance/repair
3
votes
2answers
5k views

Gas pedal not responding

It just doesn't work, as if I weren't even pressing it and it happens regardless of the speed. I have to turn the engine off and on again and it'll work for another 3 or even up to 20 minutes ...
3
votes
3answers
5k 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 ...

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