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1500 questions
9
votes
2 answers

How to test if oil is leaking into combustion chambers?

How can I test whether oil is leaking into cylinder combustion chambers and getting burnt in case of oil level loss? As opposed to, for example, leaking through the oil pan or the timing chain cover.
amphibient
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9
votes
1 answer

Where can I find a power adapter to run a car stereo from a wall outlet?

I have a car stereo head unit that I'd like to repurpose as a radio for my garage. Given that, I'm looking for some kind of power adapter / transformer that I can plug into a wall outlet and splice into the stereo harness. Presumably this would need…
Joseph
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9
votes
4 answers

Dent removal from passenger door

I have a huge dent in my front passenger door from where I was attacked by an elk. This dent has been in the door for probably 12 months as I previously did not care that it was there. Now I would like the dent removed, what is the most effective…
J-Nasty
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9
votes
2 answers

what sensors and formula are used to control VGT/VNT turbos?

I want to fit a variable geometry turbo to my car. Its vanes are usually controlled an electrical actuator (otherwise sometimes it's on vacuum). What information is used to to inform the state of the turbo vanes, though - throttle position, intake…
Aaron Brick
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9
votes
1 answer

What is the yellow precipitate in my outboard's carburetor?

I've got a 2008 Tohatsu 9.8 HP four stroke outboard. My low speed jet keeps getting fouled and on several occasions, I've found yellow almost crystalline "growths" for lack of a better word inside the carburetor. They look like tiny sulfur…
delliottg
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9
votes
3 answers

Why Does Coolant Flow Through the IAC and Throttle Body

On many engines I've seen coolant is circulated through the Idle Air Control valve and the throttle body. One such example is the Mazda 2L 4 cylinder FS used in the 626. The IAC is ECU controlled, and there is a coolant temperature sensor, so what…
Robert S. Barnes
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9
votes
1 answer

Hand turned the crankshaft while in gear. Clutch damage?

My timing belt broke on a 2008 Hyundai Accent and due to being broke I decided to try and fix it myself. I managed to get everything off, two slightly bent valves on the head which I took to a shop etc. While trying to prep the engine block for a…
Dave
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9
votes
1 answer

My feet turn black

I left the pedicure salon, started my car and drove less than 3 miles to pick up something from the store, when I stepped out of my car my feet were black... and I don't meant just from dirt, It looked like someone dumped a bucket of black paint on…
Morgan
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9
votes
3 answers

What are the pros and cons of installing a high-performance air filter on a bike?

What are the advantages and disadvantages of installing high performance air filters (K&N,Green cotton,etc.) over original filter? What are the changes/working occur internally?
KIRAN K J
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9
votes
2 answers

Why are H4 LED headlights not designed correctly?

In traditional halogen H4 bulbs the low beam filament (the one with the reflector/shield) point in a 180 degree field and the high beam has no shield and has a full 360 degree coverage. This is how all H4 light assemblies are designed to use. Why…
Tanenthor
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9
votes
1 answer

Does free revving a diesel engine to 4000 rpm (1.6 crdi- hyundai) cause any damage?

It's a Hyundai CRETA/ ix25 model... clocked 1800kms on the odometer, diesel spec engine 1.6 crdi unit, manual transmission! It has redline at about 4800rpm in the tachometer. When i took it for service! the idiotic mechanic FREE REVVED the engine…
Vivek S
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9
votes
2 answers

'Click' Sound on Applying Brake

I have 2014 Honda Civic; couple of months ago, my car's brakes started making a weird 'Clicking' sound when I would apply brakes first time after my car is parked for say around 30 mins or so. Once made the sound, it won't make that sound again…
Viv
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9
votes
1 answer

Purpose of highlighted mirrors in trucks

Whenever I see pictures of trucks made by Volvo, Scania or Daimler. I wonder what are the highlighted mirrors in the picture used for? I don't see those mirrors in most trucks made by Indian Commercial Vehicle makers like Tata Motors.
Chethan S.
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9
votes
2 answers

Is it Possible to Control Lights through OBD-II Port?

Is it possible to use a car's onboard diagnostic port to toggle the headlights, interior lights, or parking lights? If not through the OBD-II port, how would I go about remotely toggling the lights on a car?
Matthew
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9
votes
1 answer

Why am I not moving after starting car and shifting to Drive?

So I have had this issue for the last couple months where when I first start the car, shifting to Drive (automatic transmission) doesn't do anything. Pressing the gas only revs the engine, as if in neutral. Shifting down to low gears (1 and 2) has…
Nathaniel Davidson
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