3
votes
1answer
36 views

Disabling OBD2-Interface in a car

If a car-thief wants to steal a modern car, he often uses the OBD2 (On Board diagnosis) to "hack" the car. Simplified: He achieves this by plugging his "hacking device" in the port, which aquieres ...
3
votes
0answers
15 views

2000 Mercury Marquis Check Engine Light Issue

I have a 2000 Mercury Marquis. When the temps were -20+ I went out and started the car often letting it run at 20 minute intervals. On the last day of the cold spell the check engine light stayed on. ...
3
votes
0answers
27 views

1989 7.3 IDI wont start

I have a 1987 F250 with a 1989 7.3 IDI swap, the truck always used to run great. I went outside to try and fire her up and she wont start. I've tried plugging in the block heater and using ether. It ...
10
votes
1answer
331 views

What is the safest way to jumpstart a car surrounded by snow, ice and water? Can I get electrocuted?

All of the water and snow in the coming days can make jumpstarting a car pretty unnerving. With all the electricity in car batteries and jumper cables laying in snow and water, what are the concerns? ...
34
votes
5answers
3k views

What is the most efficient method of getting your car unstuck from snow?

If your car is stuck in snow and you don't have any chains, what can be done to get it out? This can be an unnerving problem to have and it happens pretty easily with normal driving on ice. You wind ...
8
votes
3answers
69 views

What are common cold weather starting issues with cars?

Based upon the current weather in parts of the Northern Hemisphere, I would imagine there are some people suffering from all manner of cold related vehicle issues. What are some of the leading issues ...
9
votes
1answer
114 views

How does intake manifold runner length effect the power curve of a car?

Recently I learned that a number of things such as the cam profile, compression ratio and the intake manifold runner length and volume can all effect the power curve of the engine. Here is an ...
7
votes
1answer
184 views

What is a head?

Due to this question I now have a fairly well-rounded understanding of what a head gasket is. I assumed that sometimes, when people would talk about "heads" that this was just an abbreviation of ...
5
votes
1answer
44 views

2006 Honda Fit loses power after starting, but runs normally when warmed up

I have a question similar to this one: "What would cause a car to lose power a few seconds after starting, then run normally?". The answers from that question didn't help me for my car and I am having ...
2
votes
0answers
19 views

What actually is brake horsepower (BHP)? [duplicate]

I know that BHP is the measure of power of an engine. I realised that I have no idea how the number (for example 540 BHP) relates to the engine itself. Does 1 HP mean one rotation of the crankshaft ...
5
votes
0answers
18 views

Need help installing engine with 2-wire crank sensor into 3-wire setup

My problem is the 2008 chevy trailblazer 4.2 has a 3-wire crank sensor and the reluctor ring on the crank looks similar to a bicycle sprocket. While I did not look at the reluctor ring on the 2005 ...
15
votes
8answers
2k views

Will having a radiator full of engine oil do damage to the motor?

I've got one question; I was looking over this car that I was going to buy and there was engine oil in the radiator. I asked the guys why it was in there and he said he didn't have enough coolant to ...
5
votes
1answer
33 views

Does a screw in the tire mean sidewall damage and tire replacement?

I bought my 2015 Hyundai Sonata last March (2015) and it has about 17,000 miles on it. I just found a screw in the rear driver side tire. Shows a slow leak when I took to a tire shop and they applied ...
4
votes
1answer
51 views

How to get the most money out of potentially totalled car?

I crashed my car :( Accidentally rearended a pickup :( It's not drivable because the radiator fell out, but I was told by the guy who towed it that the frame wasn't damaged. I don't know what to do ...
16
votes
3answers
140 views

What's the most environmentally responsible method of car parts cleaning?

I'll be the first to admit that this one has been hard for me. I clean cylinder heads, axle bearings, calipers, crankcases....the list goes on. I want to be clear here. I am not talking about ...
4
votes
2answers
28 views

2006 Pontiac torrent

2006 Pontiac torrent won't start. Brand new battery one week old, will not start with remote starter or either key! All the lights come on , radio and electronics but when I turn the key the final bit ...
5
votes
0answers
36 views

Steering ratio for European Ford Focus Mk2 (2004-2010)

What is the steering ratio for the European Ford Focus Mk2 that was in production between 2004-2010? I can not find it anywhere... I need it for a research project. There is somewhat relevant answer ...
3
votes
1answer
32 views

98 Saturn SL2 Starter and Water Pump Will Not Work [closed]

I just put in new radiator and sometimes the car will start, but not lately. It is also heating up quickly. I think that both the starter and water pump are not working due to some sensor or fuse they ...
5
votes
1answer
39 views

Engagement delay when shifting from neutral to drive or reverse

My 2001 VW Eurovan (T4) has automatic transmission and about 160k miles on the clock. When I use the transmission selector to move from N to D or from N to R, there is a noticeable delay until I feel ...
7
votes
1answer
74 views

Natural Gas Engines - What are these things?

Someone I knew when I was younger converted a car to run on compressed natural gas (CNG) because CNG was extremely cheap in comparison to petrol or diesel. How can cars be converted to run on CNG and ...
6
votes
3answers
63 views

Steam Engines - What are these things?

I know that steam engines are considered to be old fashioned, impractical and rarely used. Why are they considered impractical therefore rarely used? How exactly might a steam engine work to power a ...
6
votes
1answer
45 views

External Combustion Engines - What are these things?

What are external combustion engines? How do they work? What types of external combustion engines are there? What are all the common advantages and disadvantages of external combustion engines in ...
5
votes
1answer
27 views

Is the Ford Fiesta 2008, style climate D, 1.4 TDCi engine made by Peugeot?

Is the engine made by Peugeot or Ford? Apparently if it's Peugeot, it could be prone to the turbo failing due to engine fault.
1
vote
1answer
19 views

What “type” of engine does a Ford Fiesta, 2008, style climate D, 1.4 TDCi have? [duplicate]

a mechanic asked me this and I didn't know the answer.
9
votes
3answers
241 views

Location of exhaust manifold

In four cylinder engines, why are some cars designed with the exhaust manifold towards the front of the car while other cars have it towards the back? Is there any advantage in one design over the ...
3
votes
2answers
47 views

Hyundai Accent starting issue

My car started fine a couple of days ago and today when I went to start it, it won't even turn over. The lights work, the battery is only a year old. Not sure where to check next. Any suggestions??? ...
8
votes
1answer
40 views

How do I get the sway bar link to line up with new strut and spring?

I am swapping the struts and sway bar links on a 2006 Toyota Sienna AWD. I got the first strut in place and started to put the sway bar link on but it does not want to line up with the mounting hole ...
4
votes
1answer
52 views

will not start, when I just had driven it about a hour ago

2003 grand am 4 door automatic,everything works, lights, radio, windows,buzzes when key is in ignition. I hear nice noise, if it was the battery all the other things in the car would not work. What ...
23
votes
3answers
3k views

Why does a gas engines torque and horsepower curve always meet at 5252 RPM?

I'm watching a TV show called Tech Garage and they just made the claim that an engines torque and horsepower curves always meet at 5252 RPM. Assuming this is true, why does this happen? Is it ...
6
votes
1answer
30 views

Heim joints with zerk fittings

On my truck I have heim joints setup in the steering to provide additional strength. Currently I have a 3/4 by 3/4 heim with teflon coatings, and with the mud and dirt where I live, they are getting ...
12
votes
2answers
62 views

What is an A/R ratio?

I heard the term A/R ratio today while watching a video about turbochargers. What does the term A/R ratio mean? Does it just apply to turbos? If not, what else does it apply to? How is it computed? ...
6
votes
2answers
42 views

Fault code 27 with engine light on '94 Jeep Cherokee

I own a '94 jeep cherokee 4.0 liter. The 27 code indicates the injector circuit is not syncing with the input signal. How do I trouble shoot this?
6
votes
1answer
27 views

Radio and Charging Outlet Stopped Working

I have a 2000 Honda Accord V6 LX. The radio was working yesterday and the charging outlet was working earlier today, but now neither are. Did some research and I'm assuming it could be a blown fuse. ...
6
votes
1answer
49 views

Alternator grinding - Is it OK to drive to mechanics?

I have a 2000 Suburban and the alternator is making a grinding sound. The Suburban still starts up and I am wondering if it could harm other engine components (like the serpentine belt) trying to ...
8
votes
1answer
42 views

How is a power steering pump vacuum leak test performed?

There have been a few power steering pump questions lately. I've heard responders mention a power steering pump vacuum leak test to identify where air is getting into the power steering fluid system. ...
7
votes
1answer
36 views

Roller rockers to a stock valve train

78 Nova but the engine is from a different car; casting # V0707CMH. I have a 350 with 305 heads. Stock valves, pushrods, cam, and lifters. The nuts on my stock rocker arms are in need of replacement; ...
4
votes
1answer
38 views

Acceleration pickup of a car

When I say "Tata Winger can accelerate from 0 to 100 Kmph in nearly 19 to 20 seconds, which is quite good for this class" - how is it measured? Is this by accelerating the car from 0 to 100 kmph on a ...
6
votes
1answer
38 views

2005 Ford Escape airbag light & beeps

When I first started having the problem the airbag light started flashing, after a week or so airbag light stayed on. When ignition is on for two minutes I get five (5) beeps Five (5) times for a ...
5
votes
3answers
45 views

leaving the rear defroster on constantly

So the front defroster of my vehicle seems to work by blowing air up at the window. The rear defroster seems to work having a bunch of wires that run the length of the window. My question is... would ...
2
votes
0answers
48 views

2000 Dodge Ram 8 cyl Doesn't want to run, Have to keep foot on the gas [closed]

Today, went to leave and my truck would not start. It is not the Battery. When checking all my fluids noticed I needed water. Pour water in radiator and it all came out under the motor area.
10
votes
1answer
68 views

Do any car batteries come dry with the electrolyte in a seperate container?

Small batteries for Motorcycles and Lawn Tractors are typically sold with the electrolyte in a separate bottle and must be added to the battery at home before installing it. I've never seen a "dry" ...
6
votes
1answer
65 views

Do car batteries degrade when left charged, boxed and unconnected for long periods, e.g. in a shop?

I was discussing where to buy car batteries with a friend who is a professional driver and who has briefly worked as a mechanic. He suggested buying from one particular shop for several reasons, one ...
22
votes
6answers
1k views

When is a cold air intake system beneficial?

Cold air intake must be one of the popular mods there is, and one subject to the most controversy as well. Manufacturers of such systems advertise 5-20 HP gains, yet there are claims that this mod ...
3
votes
0answers
30 views

How does one fix peeling paint on a car?

Do i need to repaint it? Its peeled to the black with silver paint.
11
votes
1answer
84 views

Why don't cars use Sequential gearboxes?

I have always felt that the Sequential Gearbox configuration is much much faster than a ordinary gearbox used in cars. Why is this design used ? Any advantages? Note: I am aware that racing ...
3
votes
2answers
29 views

Mitsubishi lancer 2003

is it ok to shift from 95 octane to 91 octane? as my car is suitable to use 91 octane only..but because of ignorance we use 95 octane from the start until now.my car is a 2003 mitsubishi lancer 1.3.. ...
8
votes
3answers
116 views

Why does my RPM drop when sitting idle at traffic lights?

While I'm sitting idle at traffic lights I put the car into neutral. The engine stays idling at about 1000 RPM. However every now and then it drops down to about 500 RPM and then quickly back up to ...
6
votes
1answer
37 views

Steering tight and orange fluid on ground after failure to start

This morning, my car wouldn't start so a friend of mine and I tried to push start it, with no luck. We got around a corner in my neighborhood and fortunately found someone who could jump it. ...
17
votes
4answers
2k views

How do you un-seize an engine?

I have an older engine that is seized. It is a 1953 Desoto Hemi. How can I un-seize it? I have sprayed Sea Foam Deep Creep down the plugs and let sit for weeks. As well as transmission fluid. To no ...
9
votes
4answers
152 views

Can you run an engine without a radiator?

I've heard of people starting engines in a build without a Radiator hooked up, to see if it fires. If you have an old engine and want to see if it will run: Can it be started without a radiator? ...

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