3
votes
5answers
2k views

What are the problems in building 2 stroke engines with a large displacement?

I understand (from preliminary research) that when engine gets bigger, with a higher displacement that it is practically not possible to have a two stroke engine. What are the implications in ...
3
votes
0answers
11 views

What kind of sealer should go over bondo and primer?

I have some deep scratches on my fender that I filled in with Bondo glazing putty. Feels pretty smooth. I'm planning to spray on a filler primer and sand it down this weekend before spraying the ...
5
votes
2answers
61 views

2005 Dodge Caravan - Erratic Misfire

The engine was misfiring for quite a while. At some point, the battery went dead due to a bad alternator and all the electrical systems went nuts. I replaced the alternator & battery. At some ...
4
votes
2answers
6k views

Sidewall of my tire has a tear, can this be repaired?

I have a Subaru Legacy 5.0i wagon, which has all-wheel drive. Taking a right turn yesterday, my rear passenger tire bumped on a curb. About 20 minutes later the tire was flat. There is an 'L' ...
3
votes
2answers
92 views

Could a vacuum valve be responsible for a P1110 code on 2001 Saab 9-5 2.3T with check engine light on?

All of my monitors are in ready mode, only a P1110 code left, for which I have installed booster pipe O-ring, new booster valve or hooter valve, my only culprit left is the vacuum valve on firewall, ...
3
votes
1answer
17 views

Why are the spark plugs from the same 2 cylinders corroding faster than the others?

On my engine ('99, 360 v8 Magnum), I replaced the spark plugs less than 15k miles ago, because of misfires in cylinders 2 and 8. Those two plugs were badly corroded. Today I had to replace them again, ...
15
votes
2answers
964 views

What are the Advantages & Disadvantages of a Boxer engine?

I know that boxer engines are those which have pistons moving in the opposite direction. Also the fact that since they sit low the center of gravity is lower and causes better handling. Why dont ...
2
votes
2answers
27 views

2004 Dakota problems

I have a 2004 Dodge Dakota 4.7. My truck started to shake going down the road. I heard a pop unsure if it was metal slapping or a backfire. Had it towed home and hooked it up to a computer. The codes ...
0
votes
1answer
11 views

Hyundia i20 heater failure

The car heater is blowing only cold air in my Hyundai i20. I have run the car over a long distance but the air is still cold. Any suggestions please?
3
votes
2answers
260 views

Can I replace my R14 wheels/tyres with R13 wheels/tyres?

I have a Peugeot 107 with 14 inch rims. My tires are bald and require replacing ASAP. I have a friend who has a Ford Ka with 13" rims. They purchased five new tired (including the spare) less than ...
6
votes
2answers
93 views

what are the advantages of upside down forks

Recently I have come across many bikes which have upside down front forks. From browsing around the internet , I was not able to get a concrete answer for why it is preferred over conventional ...
2
votes
0answers
151 views

Car transmission jerky downshift to 1st gear when braking to a stop

I have an Automatic transmission 2002 Nissan Maxima and want to know if a faulty vehicle speed sensor can cause a car to lurch forward when braking. If I am travelling at 40 mph in 3rd gear and then ...
1
vote
0answers
19 views

Battery Draw while car is off at 3.24

I have a 2007 Saab 95 wagon... For about 6 months at random about once a month my car has been dead. After calling AAA and they told me there is a draw from the battery at apx 3.24 which is should be ...
1
vote
2answers
21 views

1990 Mercury Cougar LS stereo wire color diagram

I'm having trouble finding color coding for my Mercury Cougar. I found a diagram but it shows the stereo constant power wire is green and yellow, but there is no green and yellow in my Cougar stereo ...
0
votes
0answers
17 views

2000 HONDA ACCORD V6

I just bought the car with 143k I was getting check engine light it gave p03001 codes I replace the spark plugs with the OEM and the coils brand new now the light went away but the issue is that we ...
5
votes
1answer
45 views

Difference between fuel pressure and fuel rail pressure

In OBD PID wiki page, there are 2 PIDs listed: Fuel pressure and Fuel rail pressure. Are both of them the same? Can someone please give an elaborate explanation of it - What exactly are they ...
3
votes
2answers
40 views

What is the difference between “multi port” and “combined port” fuel injection?

I have heard these terms tossed around quite a bit and I understand that fuel injection is needed in order to inject fuel in to the engine (from a fuel rail/injectors?). What is the difference ...
4
votes
1answer
40 views

2010 mini cooper , Steering wheel unstable and tends to deviate all over. Unable to diagnose the problem

my steering wheel is unstable and has tendency to deviate and shakes. It's hard to drive and very accident risky. Mechanic inspected and asked me to replace two wheel Rims. He has asked for $275 to ...
2
votes
1answer
694 views

Car jerks when stopped in traffic

I replaced the PCV valve of my Toyota Vitz 2007 some time back, due to oil level reducing. After I got the car back from the mechanic, it had this weird behavior of making a sudden jerk after five or ...
4
votes
1answer
31 views

Ticking sound when stepping on Brake [on hold]

I have this ticking sound somes when I press on the brake while is not moving and on Parking but the Engine is on.I changed the rear rotors, pads , and the right rear right caliper, but the sound is ...
9
votes
1answer
750 views

Are older cars' cigarette lighters the same as modern

Do the Cigarette lighters in the older cars(like my 1986 ford ranger) have the same functionality as modern cars? For example: Should I be able to use a cigarette-lighter adapted phone charger in my ...
2
votes
0answers
28 views

2001 honda civic dx over heating problem

Two of my hoses in the front are very hard I took out the thermostat and the hoses are still hard and my car is still over heating what can it be
10
votes
1answer
37 views

How can I tell which parts of my car are “By Wire”?

I've recently purchases a manual transmission 1.5 Honda Mobilio. Which claimed to be a drive by wire vehicle and I assume it really is, but I don't know how to tell if a car is drive by wire. I am a ...
7
votes
1answer
196 views

Headlight conversion

I've decided to install a new headlight on my bike. The current setup is two bulbs, one is on for low beam and both on for high beam, with two wires going out of each (h11?). Here is a short video of ...
8
votes
1answer
825 views

Remote Key Fob working only inside the car (close to reciever)

I am struggling to get my Peugeot 308 2-Button Remote Key back to work. I noticed first issues when my Remote Key unlocked / locked the car after several attempts. Then one day it suddenly did not ...
3
votes
1answer
22 views

Car Making Noise After It speeds up

Car(2008 Volkswagen Jetta) makes high pitched noise like a cricket after I accelerate(to about 35 mph or 3rd gear) independent of braking. The noise continues even if I come to a full stop but the ...
4
votes
1answer
23 views

What is making this noise coming from the rear end of my car?

2004 Mercury Grand Marquis It starts to make a noise the faster that I go the more high-pitched the noise gets when you slow down the noise gets more low-pitched. It's coming from the rear of the ...
9
votes
3answers
58 views

Brake lights don't illuminate until pedal is pressed by about 5-10mm

2003 Opel Agila My brake lights do not light up until I have pushed the pedal down by about 1cm. If I rest my foot on the brake pedal, with the brakes applied a little bit then the brake lights do ...
8
votes
2answers
59 views

Keep Alive Memory (KAM)

What is "Keep Alive Memory" (KAM) and how is it different from RAM? From what I read over the internet, it is kept alive even after the ignition is OFF, but isn't that what a ROM is supposed to do?
11
votes
0answers
221 views

Vibration at idle, much worse after warm

My car is a 2001 Pontiac Firebird with a V6 (3800 Series II (L36)) and a manual transmission. These are all at a stop: When the car is cold, I don't feel too much vibration when sitting in it. (I ...
2
votes
1answer
92 views

Switched battery terminals when installing, 2008 Chevy Cobalt

2008 Chevy Cobalt LS I was installing a charged battery and accidentally put the positive wire on the negative terminal and then as soon as I touched the negative wire to the positive terminal I ...
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
0answers
21 views

97 dodge ram 1500 Laramie

Fixed a pulley tensioner and belt. Still a loud squeak and sound. Could it be bad pulley? ....and 4WD worked when bought the truck. Now the light wont turn on and it seems that it doesn't shift into ...
2
votes
0answers
43 views

How to calculate Car “Distance Till Empty” without knowing the fuel level

I've Renault Duster RxZ. I would like to calculate the DTE(Distance till Empty) which is based on the "how much fuel the car has" and the "mileage of the car" ? Currently the OBD doesn't return ...
5
votes
2answers
78 views

Why is it that the front of the car lifts up when releasing the clutch?

I don't know much about the inner workings of a car. For driving one, I find that having an rough idea about what the gearbox, engine and clutch do and where they are is often enough. However for the ...
4
votes
0answers
63 views

How to apply brakes so there is minimal wear and tear?

I am looking to conserve energy and increase brake pad life in the following scenario - Say I need to stop 500 meters from where I am at. Assume I am a very aware and an expert driver and that there ...
5
votes
3answers
301 views

Are there cars that can shift to reverse even while moving?

I am aware that a car has to be at full stop in order to shift to reverse. Then I saw a video which was able to do a reverse without even stopping. Insane parking ...
4
votes
2answers
66 views

Tried to shift but failed at very high rpm how much damage did I cause

I went up to 6 rpm and then tried to shift to second gear aggressively and unknowingly the clutch was not fully depressed I think and the gear change failed of course I heard the gears grinding but I ...
4
votes
0answers
18 views

What is Neo-Chrome?

Is anyone familiar with the process of neo-chrome plating and how it works? It is a different finish than burnt titanium, but seems to involve a heating method in some way to give it the rainbow ...
2
votes
1answer
34 views

stuck in park no power to dash or windows

My Honda out of the blue would not go from park and so I had to use shift lock release and I have no power to my windows or dash what would cause this?
3
votes
0answers
22 views

Is there any benefit in performing a 4/7 swap on an LS engine?

Based on some resources, I was able generate a list of all theoretical firing orders for an LS engine with a cross-plane crankshaft. Here they are (L,R denote which bank each cylinder in the firing ...
3
votes
2answers
1k views

“tick-tick” sound in Enfield Clasic Motorcycle

BIKE ENFIELD CLASSIC 350 2013 Model ODOMETER: 14000 One and half year old Oil changed one and half month before general servicing. There is a particular sound from the engine while riding ...
0
votes
1answer
48 views

Turbo shaft broken [on hold]

Ford Fiesta 1.4 diesel TDCI There was a rattling noise. Checked and found that noise is due to damaged turbo turbine. So turbo replaced. But after replacement with new turbo and 10KMS road test, the ...
21
votes
4answers
4k views

Why do pickups and large SUV's use 4x4 and generally not AWD?

In almost every case I can think of, the larger vehicles with four wheel power are 4x4, and the smaller ones AWD. As far as my experience goes, AWD is much more convenient, and also works at least as ...
6
votes
2answers
67 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 ...
4
votes
1answer
25 views

How often should I change my Nissan Sentra's (2012 model) oil?

I have a 2012 nissan sentra. Here is the manual. I looked into it but it doesn't seem to indicate the frequency of which I should change the oil. It does mention that the oil change light indicator ...
7
votes
2answers
243 views

Why do Formula 1 cars use engines with many volumetrically small cylinders?

What's the benefit to Formula 1 using engines like a 3.0L V8 or a 2.4L V8? I read this Reddit discussion on why it's not practical to put small many-cylindered engines into production cars. Cost ...
8
votes
1answer
50 views

2005 Mazda 3 at warning light at cold start ups

I've noticed recently that my mazda 3 on cold starts would show the at warning light. When I start it, it normally flashes it for a few seconds then disappears. Then when I pull it out of the garage, ...
5
votes
1answer
139 views

Why do electric motors produce peak torque instantly vs gasoline engines

On a separate forum someone had asked why do electric cars do not have a transmission. The simple answer was that electric cars produce peak torque at any RPM but the gasoline engine needs to rev ...
5
votes
3answers
366 views

Alternator draining battery

My alternator has been draining my battery in my Datsun 240z since I swapped the engine (VQ35). It takes around 4 days to drain the battery to the point I can't start it. It charges it fine when the ...

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