Motor Vehicle Maintenance and Repair Stack Exchange
Motor Vehicle Maintenance and Repair Stack Exchange

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1500 questions
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1 answer

A lot of smoke coming from exhaust after oil change (mixed old with new oil)

I put new oil in my nissan earlier today (5w-30) and as I was driving I started to smell what I thought was burning oil, and I noticed behind me excessive amount of smoke while driving. I went from 3rd to to neutral just to glide and smoke went…
andyADD
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When stopping, should I put the transmission in neutral?

When I have to stop the car but I know that I will be moving again soon, on the red light for example, should I shift to neutral? When I was learning how to drive, my instructor said that there is no problem in stopping for a long time with the car…
Paulostation
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Is it common to fail engaging first gear or a manual transmission car occasionally?

I have a problem with my 2011 Toyota Yaris manual transmission car where the first gear occasionally doesn't engage when at standstill. This happens rarely, probably once per month. What I do to get the first gear to engage: I first try moving the…
juhist
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Is white powder on the battery terminals harmful?

I have a four and half year old car. I have recently noticed that there is white powder forming to the battery terminals. The car still has the original battery and probably should be replaced sometime in the near future. What is this substance? Is…
juhist
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How to interpret tire condition

What information can be gleaned by visual inspection of a set of tires on a car? How would I interpret excessive wear on the outside edge of the tires vs. wear on the inside vs. wear in the center? What if tires wear differently on one side or one…
NoCarrier
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Will an old engine have worse fuel efficiency than a new engine?

I have a gasoline-engine car that is four and half years old and has been driven for 60 000 kilometers. I have noticed that the fuel efficiency is not what it was when the car was new. However, I lived further away from the workplace and had a…
juhist
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6 answers

Can I charge a 12V car battery with a 16V 1.5A adapter?

Hello it's my first time here and I will try to address the issue as best as I can. I left my keys in the ignition a few days back and hence my battery drained itself. It is a 12V maintainence-free battery and I want to charge it enough for just one…
Ankan Biswas
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KTM Duke 390 - Does it have to be hot to ride?

I have a KTM Duke 390 - 2013, single cylinder 373 cc motorcycle for 4 months now. I bought it from another owner when it was around 9500 km. now It's at 12000. This is my first bike, and I'm trying to improve my abilities, technical and theoretical…
Tolga Evcimen
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5 answers

How to trigger an idle throttle position re-learn?

My Toyota Vitz 2007 idles roughly and I got advice to clean the throttle body and make the vehicle re-learn the idle by starting the engine and let it idle for some time. My question is, is it necessary to instruct the vehicle in some way…
Softcode
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Should I leave my wheels straight when I park my car?

I was told that I should leave my wheels straight when I park my car on flat driveway, I think this is rubbish and it doesn't matter personally Should I leave my wheels straight when I'm parked? What about when I stop the engine, and then turn the…
George
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Ford Focus with error code P242F (DPF failure)

I have a 2008 Ford Focus (UK) with a 1.6 TDCi engine and 60K miles. This weekend I got error code P242F stating "diesel particulate filter restriction ash accumulation" and the vehicle has gone into limp mode. I first had the same error a few…
Equalsk
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5 answers

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 for fairly cheap. I swapped the tires quite…
Lando
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Why should I clean bug and bird debris off my car?

I have a relatively new car with nice clean paint. I've read and been told that cleaning bugs and bird debris off of my car quickly is important because it can damage the paint. Do I really need to wash it off quickly? Can it really damage the…
Cellivar
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Are recommended tire pressures the same for non-stock tires?

This post on the TireRack blog http://blog.tirerack.com/blog/docs-advice-on-tires/what-is-the-best-tire-pressure-for-my-new-tires recommends that tires be inflated to the vehicle manufacturers specifications (usually printed on a sticker on the…
Egghead99
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Why the different the colors of terminal corrosion on the battery?

I have a 2001 Ford Windstar. When I went to clean the battery terminals: the one with the RED cover over it was a bright blue color; the other had normal white corrosion. I do not know why the this corrosion problem would show different colors. BTW,…
Sharon Maxon
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