7
votes
1answer
138 views

How are diesel engines better for the environment than gasoline?

I understand that diesel engines have become much more efficient at controlling emissions over the last couple decades. Various websites like this one describe the technological improvements that have ...
4
votes
0answers
32 views

Toyota Raum Radio memory loss

Can you help me Unlock Toyota Raum 2003 Radio to its normal state? My battery ran flat, resetting my radio. I am getting some method on the internet about pressing the tuning Up and 1 buttons, but ...
11
votes
1answer
243 views

Are there different greases for inner and outer CV joints?

I was watching a video by Eric the Car Guy on changing a CV boot. In it he mentioned that there are two different types of grease, for inner and outer CV joints, which can be identified by the colour ...
4
votes
0answers
22 views

Chevy Cavalier 2002 2.2L

My antifreeze is leaking and my ECT sensor is wet. There is also smoke coming from the hose that's for the reservoir overload. What's going on?
9
votes
5answers
643 views

Cheap tyres on rear of car?

I've bought a car with two worn rear tyres (still legal, but between 3 - 4mm of tread left, so will need replacing soonish) and two brand new (but cheap off brand) tyres on the front. I'm wondering ...
6
votes
1answer
72 views

Can a crankcase venthilator hose being off cause misfiring?

I was taking a look at a 2004 Ford Escape with 100k miles yesterday because it was infrequently stuttering, and throwing a "cylinder 5 misfiring" error code that would come on and go away. I figured ...
7
votes
1answer
52 views

Grinding type sound in steering wheel of a 2011 Mitsubishi Lancer EX

Form the past days my car is having an issue when I turn the steering wheel (left to right) at the start point.and the same sound (grinding type) dissapear while I am on the continuous run.just a week ...
7
votes
1answer
76 views

My car will not start after being driven fine

I have a 2003 gmc envoy xl it has been running fine..drove it all day. Went home 4 hrs later it will not start.. It acts like it is dead but everything from the lights to the heat works fine..I mean ...
5
votes
1answer
446 views

Possible EGR problem on Fiat Idea Multijet 1.3 Diesel

I've been having issues with my 56 plate Fiat Idea for a while now. It seems to drive normally up to about 2500-3000 rpm where the car lurches a little, as though i shifted down a gear, the MIL light ...
7
votes
1answer
35 views

Craftsman 42" snowblower pulley removal part 47026

I have to put in a new gear but I can't remove the pulley from the back to remove the gear. Tried using a 3 arm pulley puller with no luck. Do they make a tool for this? Pulley part is 47026. Thanks, ...
18
votes
2answers
1k views

What possible causes for the “check engine” light can I check for myself?

The "Service Engine Soon" light came on yesterday and isn't going away on its own. The car drives fine, no weird noises, smells, or other symptoms. The manual is not very helpful, just directing me to ...
5
votes
2answers
74 views

97 Chevy lumina serpentine belt came off the bottom pulley

This morning my power steering stopped working and my heater and when I opened the hood there was coolant everywhere, looked like it came out of the radiator cap. The serpentine belt was off the ...
10
votes
1answer
162 views

How does tire pressure affect susceptility to hydroplane?

Is a tire's propensity to hydroplane proportional or inversely proportional to tire pressure? That is, if a tire is over inflated or under inflated, is it more or less likely to hydroplane?Edit: This ...
5
votes
0answers
511 views

What causes more gas consumption - Idling with AC or Heat? [duplicate]

So I have begun doing some research on the effects of idling. So my question is, does idling with the AC or heater on affect how much gas is given off? If possible, please give the percent of extra ...
6
votes
2answers
139 views

How to tell what color your car is (not in door jamb)

I bought my car used, it is a 2006 Scion tC. The original color of the car is silver, as I gleaned from looking at my door jamb. However, I believe the previous owner painted the top half of the car ...
9
votes
1answer
82 views

What exactly is a piston?

Here is a diagram of a disk brake. Notice that there is a piston (in red): This is a piston, most commonly used inside the internal combustion engine: Image 1 Source: ...
17
votes
4answers
946 views

What is regenerative braking and why don't we use it?

I know that many electric cars use regenerative braking to enable the car to become more efficient by converting what would otherwise be lost heat energy in to a more useful, reusable form of energy. ...
5
votes
3answers
152 views

What causes more gas consumption - Idling with AC or Heat?

So I have begun doing some research on the effects of idling. So my question is, does idling with the AC or heater on affect how much gas is given off? If possible, please give the percent of extra ...
7
votes
2answers
102 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 ...
17
votes
1answer
743 views

LTFT and STFT values are off and don't make sense

Car is a 2015 BMW M5 and it has an aftermarket CAI and a catback (slip on) exhaust. No other performance mods or tunes. About 6-7 months ago, I bought a Kiwi OBD-II reader, simply out of curiosity ...
2
votes
0answers
21 views

Calculated vs absolute engine load [duplicate]

The OBD-II protocol (SAE J1979) has a couple of PID's that relate to engine load: +------+-----+---------------------------------+ | Mode | PID | Description | ...
6
votes
2answers
64 views

Calculate amount of fuel injected

How do I calculate the amount of fuel injected (both gasoline and diesel cars). I want an instantaneous value. http://www.rceng.com/technical.aspx Websites like these ask for 'Desired Crankshaft ...
6
votes
1answer
100 views

Hand Brake Loose

I have a 2008 Honda Accord, today I not that the parking hand brake has no resistance. Its really easy just to lift it up and turn on the parking brakes. Then I check the parking brakes and see that ...
5
votes
1answer
39 views

Fuel system question

See red arrow in the image. I place fuel additive in my car, all of the additives went into that pipe (in the red arrow image) because i didnt know how to place it. Will it still work? or just a ...
10
votes
1answer
178 views

How do I make all of this work together?

I have a friend with 1988 Jeep YJ. I'm not sure if this question is more appropriate for here or for Electrical Engineering. We want to mount this blender with an AC motor in it. I think it's 110 ...
10
votes
2answers
110 views

1982 Yamaha Virago - Several things are wrong and i'd like to repair myself

Several things have happened in the past couple days and I would like to know what could possibly be wrong before I take it all apart. Engine dies after letting off the throttle while on the road. ...
3
votes
0answers
21 views

1998 Plymouth Voyager

The oil pressure cluster light is coming on and the chime sound as well,the oil level seems fine. Wondering what the problem may be? The 1998 voyager has 138,000 miles and next oil change is not due ...
7
votes
1answer
171 views

What are crankshaft bearings and how are they different from camshaft end bearings?

I hope the answer is not too similar to this question. I have a basic understanding of the role a crankshaft plays in the internal combustion engine, which leads me to ask: Crankshaft Bearings ...
4
votes
1answer
71 views

What are cam shaft end bearings?

I now have a basic understanding of the role a cam shaft plays in the internal combustion engine, but what is a bearing? Or more specifically, what exactly is a "cam shaft end bearing"? Also, where ...
5
votes
0answers
61 views

How does Audi A6 C6 battery level meter work?

my Audi a6 c6 always show (through MMI) that my battery level is 100% despite if it's almost empty. Wondering how does it work? Does it only checks the voltage of the battery? If so wouldn't it be ...
5
votes
1answer
71 views

How to flush coolant with only access to expansion tank?

OPEL CORSA B Sedan 1.6 IE 1999. I would like to flush the coolant and bleed my brakes. For the coolant, I have bought German HEPU antifreeze, Anyways, I only have a reservoir bottle and I do not ...
5
votes
1answer
28 views

2000 Buick Century not running after spark plug change

I had someone come look at my car (big mistake I should have done I it myself). He said the spark plugs needed to be changed and while he was changing them he was revving the engine. He didn't put the ...
10
votes
1answer
74 views

How to Tell if an IAC needs to be Cleaned?

Is it possible to diagnose an IAC as needing cleaning without actually taking it apart? For example, I recently was having some idle issues with my 99 Nissan Almera 1.6L which were solved by ...
9
votes
3answers
277 views

What is the right tool to expand a large spring-type hose clamp?

My Touareg has the intake piping secured with a bunch of spring-type hose clamps. I currently use a miniature C-clamp to expand them, but it is painfully slow, prone to slipping and access can be a ...
6
votes
1answer
112 views

High revs after changing spark plugs

I have an '07 Chrysler Town & Country. Check Engine Light came on 2 weeks ago, ran the diagnostics : Misfire in cylinder 3. So we changed the spark plug in that cylinder to see if that was the ...
22
votes
1answer
484 views

5-Stroke Engines - What are these things?

What is a 5 stroke engine? Why aren't they using them in vehicles right now? Is this a new thing or has it been around for a while?
7
votes
1answer
55 views

Magnetic Active Suspension or Magnetorheological Damper

GM developed magnetic dampers for the Corvette several years back. What is magnetic active suspension and how does it work? I understand there is a magnetic fluid in the shocks but how, deep down, ...
1
vote
0answers
42 views

Heater only Blowing cold air

I have a 1997 F150 4.2L engine. The engine warms to normal operating temp. Blower motor is fine. No matter what the AC/Heater control switch is turned to I only get cold air. Im thinking the switch ...
7
votes
1answer
31 views

1973 CB350-four, no spark on 1 and 4 when it's cold

When this bike is cold the 1st and 4th cylinders do not fire. Pulling the plugs and checking them, there is not spark. If you get the bike hot, it runs really bad on the way there, 1 and 4 come ...
12
votes
1answer
93 views

What is cold tire shearing?

I have friends that goto Track Days frequently on their motorcycles. If the first session is very cold they use their old tires and don't ride real hard because they don't want to shear their good ...
12
votes
5answers
4k views

Should negative trickle charger clips be attached to the battery negative terminal, or ground?

I'm trickle-charging a car using direct connections to the battery. I thought this couldn't be simpler: ventilate, unhook the battery, connect the positive first, then the negative, then turn on the ...
4
votes
1answer
46 views

1997 Ford Fiesta Strange Ticking Noise

The 1997 Ford Fiesta I sometimes drive has started to make a strange sound. It has started to make a ticking sound after I was pushing the tiny little 1.25L engine very hard on the way up North with ...
9
votes
2answers
214 views

What are Performance Camshafts?

I read the following question recently: What is it about performance cams that make engines produce more power when they are installed? I know there are a few components for cars that have "cam" ...
5
votes
1answer
96 views

How to increase horsepower? [closed]

How can you increase horsepower on an engine through general modifications without modifying the internals of the engine? Are there benefits or tradeoffs from doing so? What kind of things could I ...
10
votes
1answer
561 views

What is a 6 Pack and will it add performance to my engine?

What is a 6 pack in the hotrodding world? Does it improve performance of my engine?
7
votes
1answer
76 views

When doing body paint, do you cover up bolt holes?

I'm about to Herculine some body parts on a Jeep, and I'm wondering if you normally when doing body work cover up threaded bolt holes or paint over them? Is it difficult to put in a bolt if there is ...
5
votes
1answer
46 views

Why does my 2005 Mitsubishi Pajero use excessive amounts of fuel?

I have a Wagon with excessive fuel consumption. It's using 30 litres of petrol per 100 ks. I have seen many mechanics who can't find the problem. I know it has good intake and no exhaust problems. ...
4
votes
2answers
90 views

Bad Cat? Bad smell in Car when heating on [duplicate]

Have a 2004 Toyota Corolla with about 110,000 miles. When I ride the car with the heat on, every now and then it smells like rotten eggs. I looked online and people say I may have a bad catalytic ...
3
votes
1answer
88 views

Why is the Volvo dash dimmer so complicated? [closed]

Last year I had occasion to replace the dash light dimmer in my Volvo (after first trying unsuccessfully to repair it). It looks like this: Inside that plastic casing, believe it or not, are TWO ...
5
votes
1answer
53 views

How to build a palm coupling to compressed air coupling adapter?

Trucks use yellow and red coded ISO 1728 "palm couplings" for connecting the air supply and braking compressed air lines from the towing vehicle to a trailer. I want to build an adapter from the ...

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