3
votes
1answer
33 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 ...
4
votes
2answers
33 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 ...
3
votes
0answers
11 views

Car Making Noise After It speeds up

Car 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 engine is still running. ...
2
votes
0answers
4 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 ...
4
votes
1answer
113 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 ...
7
votes
2answers
63 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
48 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
289 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 ...
2
votes
1answer
20 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
2answers
60 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 ...
1
vote
1answer
16 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 ...
3
votes
0answers
10 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
21 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
18 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
45 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 ...
20
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
66 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
20 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
235 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
48 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
125 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
365 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 ...
7
votes
2answers
54 views

Okay to add new oil to old?

Title pretty much explains, I change my oil every 4-6k miles depending on how generous I’m feeling, however will the oil dirty oil that’s already in the sump mix with the clean oil when topping up? ...
4
votes
2answers
8k views

Mustang charging system warning light on, but battery and alternator both passed testing?

I have a Mustang that the battery light stays on. I changed the battery and the alternator was checked by Autozone, they said it was good. I need help
5
votes
1answer
28 views

Drive by wire disables steering when car is off?

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 (don't know how to tell if a car is drive by wire). I am a new ...
5
votes
1answer
40 views

What can you expect after applying leather protection? [on hold]

Brought a new car with leather protection, the brochure only says lifetime protection against cracking, splitting and discolouration caused by the harmful effects of ultra violet light permanent ...
6
votes
1answer
45 views

Are all drive-by-wire cars completely (brakes, clutch, gas, steer) 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 (don't know how to tell if a car is drive by wire). I am a new ...
3
votes
3answers
3k views

2008 VW Golf - no ignition lights on dash

I have a 2008 Golf 2.0 TDi GT with no ignition lights on the dash. I put the key in the switch and turned but nothing happened. The battery is fully charged, the key fob has a new battery and ...
4
votes
1answer
527 views

2001 Mk1 Renault Megane Central Locking Drivers Door Release

I have a 2001 Mk1 Renault Megane which has recently stopped unlocking the other doors when the driver's door is opened. The 'door open' indicator light also does not illuminate when the driver's door ...
7
votes
1answer
48 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 ...
1
vote
0answers
13 views

Volvo D13 Boost and fuel mileage problem

My Volvo diesel D13 creates boost at low RPM's at various amounts of level and at any given time; the fuel mileage has gone down by 1.5 miles per gallon. The waste gate was replaced and the computer ...
2
votes
1answer
72 views

How do I troubleshoot a P1443 code for a Chevy Equinox

I have a 2012 Chevy Equinox LT that started reporting code p1443, and has started to die from time to time. This happens when the Equinox is at rest, either in gear or in "Park," then begins moving in ...
7
votes
1answer
44 views

Is firing order sufficient to tell if a crankshaft is cross-plane or flat-plane?

If I know the order in which the cylinders on a V-engine fire, can I know for sure whether the engine has a cross-plane or flat-plane crankshaft?
6
votes
1answer
25 views

Car manual says I have to wait a few seconds before shifting to reverse, why?

I am the type to read the owners manual of everything I buy. I am a new driver and I have just read my owner's manual. As the questions says, it's telling me not to instantly shift to revers when I ...
8
votes
1answer
33 views

How does Audi Crown Gear Center Differential work?

I'm trying to understand how the engagement of the clutches is varied. I see the power is transmitted through the center input shaft and is transmitted through the four pinion gears, but I don't ...
13
votes
2answers
115 views

How does a transfer case split power between front/rear?

I've read somewhere that transfer cases (on 4x4 vehicles) split the power from front to rear, but don't do it equally. Something along a 60% rear/40% front (though I'm sure it could be any percentage ...
6
votes
2answers
84 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 ...
8
votes
4answers
27k views

My car has the wrong coolant in it. Now what?

Hello I realized today after beating my head about my car's overheating problems that I have the wrong coolant in it. About a year ago, my car ran dry. At the bottom of the expansion tank was an ...
8
votes
2answers
46 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?
4
votes
2answers
59 views

Start a circuit or device when you insert key in car ignition

I want to start a circuit in my car when I insert my key in car ignition and let it turn off when the key gets removed. I have Honda Civic 2007. Can someone just help me out as to from where do I take ...
5
votes
1answer
54 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 ...
5
votes
1answer
76 views

How do final stage resistors fail?

I replaced the FSU on my BMW today to restore normal fan speeds to my HVAC blower (having just 20% fan speed in 40+ °C isn't always comfortable). After removing the old resistor pack, curiosity got ...
4
votes
1answer
16 views

How to increse Idle Air OR Gas - 1986 ford ranger

I have a 1986 for ranger that sounds sluggish on idle not bad just not great. If I push a little on the gas the idle sounds perfect. I am wondering how I can achieve the same affect automatically?
5
votes
2answers
732 views

How to find out my car's specs?

I purchased my car secondhand a couple years ago but not sure anymore what are its exact specs, for instance in terms of engine power and stuff. Is there a way to know this easily, maybe some online ...
2
votes
1answer
42 views

What does an actuator part look like?

I found out that one of my actuators is broken. I found this part corresponding to the door that needs to be fixed. It's called 'door latch', so not sure if this contains the actuator. I'd appreciate ...
6
votes
5answers
33k views

Wobbly Steering-wheel after changing Rims/Tires?

I've just recently swapped Summer Tires/Rims for my Winter set on my own for the first time. As it should be an easy concept, I went to a "U-Wrench" type shop where you rent a stall with a lift/tools ...
6
votes
2answers
72 views

Driving slower at low constant rpms or driving fast to get to destination faster, which saves more gas?

As the question title says. I am a new driver and I understand that driving at higher RPMs can burn more gas faster. However getting to a destination longer would mean you were spending gas at a ...
4
votes
1answer
39 views

what is the normal operating temperature indication on the guage?

My radiator got a leakage so I made a direct connection to the fan from the battery i.e. irrespective of the engine temperature the fan would start as soon as you turn on the ignition switch on. It ...
5
votes
2answers
50 views

Honda EU3000is K1 Generator - Replace Gas Tank

I need to replace the fuel tank on a 3 year old Honda EU3000is K1 Generator. Unfortunately gas was left in the fuel tank and the tank is now rusted. I was able to get the generator working again but ...

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