Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

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1500 questions
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3 answers

Can a car with automatic transmission be damaged by being towed in neutral with the engine not running?

My daughter had a friend tow her 1996 chevy (automatic transmission) SLOWLY, without engine running and while in "N", probably for 7 or 8 miles. Do you think she has damaged the transmission? The car overheated due to a leaking heater hose.
wendy evans
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Fuel consumption at same speed of different engine

I am wondering why two car running at 100 km/h for example with a 100 hp consume less fuel that an engine of 300hp. Even if I take a supercar lighter and more aerodynamics it will consume more. But physicaly it require the same energy to drive…
user43968
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Blocked water flow in engine?

My dad has a 1993 Subaru Legacy L 2.2L (no turbo) with a perplexing cooling problem. It overheats, and there doesn't appear to be flow through the cooling system. The upper radiator hose is extremely hot, the lower radiator hose is cold. The…
Chuck
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Can a conventional car be used to charge an electric car?

A friend who drives a Leaf recently came very close to running out of charge, which prompted another friend to ask if it was possible to "jumpstart" a Leaf from another car. Obviously you couldn't do that in the usual way, but in principle you…
ShadSterling
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1983 Mercedes Diesel - Loses Power Over Time

I picked up this car as a gift, and on day one drove it the 370+ miles home. After the first 160 miles or so I noticed that the car was struggling to maintain highway speeds. So I pulled over into a rest stop, and took a short break. When I hit the…
Joe
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5 answers

How to become a self-taught amateur mechanic?

I'm a computer systems engineer (we did a lot of embedded systems and some electrical at university) and I own a Suzuki SV650S. I am considering doing several upgrades to it (e.g. replacing the front with a GSXR one etc.) I've seen this post about…
georgiosd
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Why is cold-start fuel mixture enrichment necessary?

I know a rich mixture is more fuel added than air in the ratio required (14.7:1), but how can it affect anything? I mean, if fuel is added but with no air it can't combust, so how can that affect the ease of starting an engine when cold? Since it…
user3407319
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Skoda Fabia - reverse parking sensors not working?

I bought a used Skoda Fabia that is fitted with a parking assistant (reverse parking sensors) which does not seem to work. According to the manual when I change into reverse it should either make a short beep (for everything alright) or a long beep…
magnattic
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Brake Lights Won't go On, Tail Lights Won't go Off

I noticed that my tail lights stay on even with no keys in the ignition, but that my brake lights have stopped working. Also, my left turn signal blinks double speed. When I remove the fuse for the brake lights then the tail lights go off, but if I…
Robert S. Barnes
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Cleaning fuel injectors?

I took my car (2006 Honda Civic) to firestone to get an oil change and they told me I should get the fuel injectors cleaned. I was in an Advanced Discount Auto Parts store the other day and I noticed that you can buy a bottle of fuel injector…
Xaisoft
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What bolt is a replacement for the front sway bar bolts on a 2004 Subaru WRX wagon?

In replacing my worn endlinks recently with lovely Kartboy pieces, I noticed that I had a seized bolt in one of the rear links. I was able to get a short-term replacement until I order a new Kartboy bolt but I noticed that they do not carry bolts…
Bob Cross
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Failing starter motor - why does whacking it help?

Starter motors can be notorious for intermittent cranking issues towards the end of their useful life. Why is it that some starter motors can be persuaded to crank the engine by hitting or tapping them? Does the hitting have an effect on the brushes…
Zaid
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Will any starter relay / solenoid do? For my motorcycle

I'm looking for a starter relay / solenoid for my 2004 Yamaha TT600RE. That part seems to be scarce for this bike. How interchangeable are solenoids for motorcycles? Will any Yamaha 600cc solenoid fit this bike? If I find just any ol' solenoid with…
bevanb
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Why do LED running lights turn off while the turn signal is blinking?

I've noticed in several new vehicles the following scenario: Vehicle is traveling with LED day-time running lights around/adjacent to the headlights Vehicle activates turn signal indicator Vehicle shuts off LED running light while turn signal…
Trevor D
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Should a tire with cracks along the outer perimeter of the sidewall be replaced?

I have creases or small tears running throughout the perimeter of my tires. Does this warrant replacing the tire completely?
Allen
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