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
25 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
283 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 ...
3
votes
1answer
62 views

What are the possible causes of squeaking belts?

During the last few months my car developed a not too loud, but annoying squeak coming from the auxiliary belt area. Sometimes it starts as soon as the car is started, sometimes it seems to do it only ...
4
votes
0answers
20 views

Vibrations and Torque Converter Failure

I've read in various places that one cause of vibrations when shifting from Park to Drive in an ATX is impending torque converter failure. Another person asked about the different ways in which a ...
4
votes
2answers
70 views

Can I use any portable powerbank to jump start a car

Say I have some ordinary portable powerbanks I use for my smartphone, I wonder if all of them are able to jump start a car with flat battery as long as I have a correct connector (e.g. clamp). Or ...
0
votes
0answers
22 views

New alto clutch lasts not even a month with gear breakdown

A month ago I got my (78000 kilometer run)car serviced and the new clutch set was replaced. Within a month while applying reverse gear I got disconnected with gear and sent car for repair. Initially ...
1
vote
0answers
12 views

hard to start to start the car when weather is cold [duplicate]

I have a 2001, C240 Mercedes Benz. Recently i have noticed, when the weather is cold, it is hard to start. I checked the starter of the car and it is working. When i place the electrical key in the ...
4
votes
0answers
18 views

I have 2001 C240 Mercedes. lately since the weather is getting cold, I have problem starting the car.

I have 2001 C240 Mercedes. lately since the weather is getting cold, I have problem starting the car. when i try to start the car, it makes no sound. a local mechanic says that the starter is ok. ...
3
votes
1answer
28 views

My car won't crank

I started my car the other day and turned the car off. When I tried starting it back up it wouldn't crank. I took the key out and my dashboard gauges would stay on. I can start it up by the ...
5
votes
2answers
43 views

Which types of air filters are best at filtering, without causing notable problems?

What makes an air filter better or worse than an OEM air filter at removing debris and reducing engine wear?
6
votes
1answer
44 views

How can I dispose of the waste products I get from working on my car more effectively?

I have some real challenges disposing of various fluids and consumable objects from working on vehicles at home in my small workshop. Some of the more common things that I want to be able to dispose ...
7
votes
1answer
31 views

Is the smoke or powder produced from an airbag detonation dangerous/toxic?

When the airbag has gone off, you often see a lot of smoke and stuff and there is a load of dust and powder all over the car What is this powder and smoke normally (obviously all air bags are ...
1
vote
0answers
18 views

1999 Ford F250 xlt super duty

My truck has the 6.8l V10 Triton engine in it when I got it there was a lot of oil in the cooling system but no water in the oil it ran hot once but didn't do it again would it be the head gasket and ...
3
votes
1answer
65 views

Speed difference between rear wheel and front wheel drive

Hypothetically if we have two almost identical cars with identical attributes (horse power, engine size, weight, etc.) , but one of them is front wheel drive and the other is rear wheel drive. My ...
10
votes
2answers
224 views

What mechanical action is heel and toe (clutchless) shifting trying to accomplish?

I just ran across the phrase "heel and toe" shifting from this answer I've worn through the floor mat in two places trying to become better at heel and toe-ing, though. and this question: ...
9
votes
1answer
38 views

Why does the Check Engine code for emissions failure disable traction control and cruise?

I have a 2010 Forester with nearly 100k miles, and it just started giving the "emissions" check engine code (P0420, Catalytic Converter Efficiency Below Threshold). When that code is tripped in the ...
4
votes
1answer
55 views

I scraped my car against my moms and i need to remove the white scratches

This morning, I scraped my car against my mom's car by accident. I noticed a white scuff above her rear driver tire as well on the front of my Suzuki xl7 with a dent. Can I get it out without taking ...
11
votes
1answer
439 views

Safe way to drill through the engine bay firewall

I need to run cables through my firewall (the wall between the engine bay and the seating area) but I can't seem to find any factory placed holes to pull cables through. Now a lot of people told me ...
9
votes
1answer
40 views

How to Remove Core Plugs? (aka Freeze Plugs)

I have been removing core plugs from an engine I'm rebuilding with varying levels of violence. The engine block is aluminium and I'd like to reduce the chance of of me damaging it. How do I remove ...
5
votes
1answer
22 views

Looking for 2013 Ford Fusion Stereo wiring diagram - SONY system

I'm looking for the wiring diagram for a 2013 Ford Fusion with the SONY system. I am having a problem with my front left woofer, in that it sometimes it cuts out. Sometimes when it does finally cut ...
17
votes
2answers
940 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 ...
9
votes
2answers
253 views

Yamaha R1 intake tract configuration

Interesting Configuration The Yamaha R1 has a very strange intake design. Notice the intake horns in the image below. They sit above the throttle bodies and are not attached directly to them ...
5
votes
1answer
49 views

Brake Mean Effective Pressure, how is this an effective measurement tool for engines?

Many engine designers measure success with Brake Mean Effective Pressure What are the equations used to calculate Brake Mean Effective Pressure? Why is this a more or less effective measurement ...
7
votes
1answer
29 views

Vespa PX 150 Fuel and Carbon issue

I am using Vespa PX 150.It is using Contact Point system. The issue is it is consuming fuel more than average and the plug is full of carbon after approx 50 Km.The engine not start unless I clean the ...
7
votes
1answer
40 views

Pneumatic Valve Spring Operation in Formula 1

In the 2006 Formula 1 World Championship the rules allowed for pneumatic valvesprings. These engines were required to have a 90° V8 engine with 2.4 liters of displacement, 4-valve-per cylinder layout ...
4
votes
1answer
25 views

Mercedes Benz E300 BlueTEC HYBRID

Could anyone please tell me what BlueTEC HYBRID and Blue Efficiency mean and the pros and cons of those ? Are those better than BMWs Efficient Dynamics ? Common faults they undergo ? Maintenance ...
6
votes
1answer
43 views

2000 Celica engine dies or shakes when I pump gas

I have a 2000 Toyota Celica. At first it used to slip gears and then I had a mechanic check it out. He said its a solenoid in the transmission which he changed. The car sputters sometimes when at ...
1
vote
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 ...
10
votes
2answers
43 views

Do I need to replace both front struts if one is OK

I have a car that is 7 years old and unfortunately hit a curb which bent the front strut on the drivers side. Do I need to replace both struts? Or just the damaged strut? It is similar to this ...
1
vote
1answer
19 views

Toyota Premio SMART Key

I have lost my Toyota Premio Smart Key, how do I get a replacement? Is there anything I should do to prevent the old key from being used if it was stolen? Thanks in advance
4
votes
0answers
30 views

Nissan Leaf 2013 - 2015 Model

I like the Nissan Leaf. I want to know if it can travel a maximum 180 Kms. Is there a portable device that could charge the vehicle? Why do car experts say it is not good to charge it daily from a ...
3
votes
0answers
18 views

LandRover Defender Discontinues [closed]

Today morning I came across this sad story. Land Rover Defender production to end this Friday (29th Jan 2016). Link : ...
7
votes
2answers
143 views

Key Doesn't come out of Town and Country

A few days ago I could not get my keys out of my 2005 Town and Country. Soon after, the battery ran out of juice. If I jump the battery, I can start the car and drive it. But when I park the vehicle I ...
2
votes
1answer
14 views

Where can I buy the i-mid wheel button's for a 9th generation Civic? [closed]

I have a 9th Generation Honda Civic (2012). It has wheel buttons which have worn down (actually transparent the cheap paint came off), and one of the sides even chipped. This is on the left side of ...
5
votes
0answers
30 views

My engine stalled and wont restart - after downshifting - Automatic Trans

My engine stalled and wont restart - All I did was downshift... 2005 Chrysler Town & Country Limited. V6 - 3.8 Liter EFI. For some history, a couple days ago I noticed a clicking sound - it ...
3
votes
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 ...
3
votes
1answer
15 views

2006 Mazda 3 low brake pedal

I have an problem with the brakes after the ABS has been activated on snowy roads the brake pedal drops about 75% and stays there for quite a while. Eventually it comes back up to a regular pedal ...
6
votes
2answers
49 views

What is the best “automatic” gear to be in when going up a snowy incline?

My car is a Volvo S80, it's great in ground-level snow. I tried going up an incline in "D" and it wasn't having it, basically just slowed down and stopped dead in its tracks. I have never used the 3 ...
10
votes
3answers
312 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 ...
13
votes
6answers
2k views

Why or why not increase engine efficiency by running the car “fuel-lean” (using a turbo or supercharger)?

Everyone wants their cars to use less fuel, right? I read the following passage about running the car fuel lean from this website: Run the engine fuel-lean, that is, use excess air. It is well ...
3
votes
1answer
46 views

How to control a car (accelerating, braking, steering) programmatically? [closed]

I would like to make a prototype autonomous car out of an off–the–shelf car (Toyota Yaris to be exact, but the instructions should be universal). One of the first steps is to get access to the ...
4
votes
0answers
41 views

Using clutch with exhaust brake and compression brake

My truck supports 2 types of engine brakes: Compression release brake Exhaust brake Both can be selectively deactivated using switches. While pressing clutch pedal for changing gears during ...
4
votes
1answer
32 views

Blows cold until the car is moving

2009 Equinox Sport. The car is warm but, the air blows cold until the car is moving. I am assuming the thermostat is stuck until the flow is increased but, would like to verify or troubleshoot better. ...
13
votes
1answer
799 views

What is a governor and what is it used for?

I was watching a classic car restoration program on YouTube in which they were working on a '50s Cadillac with an automatic transmission. The mechanic in the video diagnosed a transmission glitch as ...
6
votes
1answer
157 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. ...
1
vote
0answers
22 views

BMW 320D E46 Facelift [closed]

I`m about to get a BMW 320D E46 Face lift model (2000) and that is 120K driven. I would like to hear whether its worth in terms of repairs, maintenance cost ? Do I need to go each and every garage for ...

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