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juhist's user avatar
juhist
  • Member for 6 years, 9 months
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56 votes
6 answers
53k views

Why do heavy vehicles almost always use diesel engines?

15 votes
3 answers
10k views

Why do many hybrids have little or no trailer towing capacity?

9 votes
3 answers
7k views

Is it common to fail engaging first gear or a manual transmission car occasionally?

9 votes
5 answers
4k views

Will an old engine have worse fuel efficiency than a new engine?

9 votes
2 answers
50k views

Is white powder on the battery terminals harmful?

7 votes
1 answer
330 views

Why vehicles use fuel and how can fuel economy be improved?

7 votes
5 answers
71k views

How long should the engine be off until checking oil level?

7 votes
1 answer
3k views

Why no exhaust gas turbine generator in hybrid vehicles?

7 votes
1 answer
104 views

Does thick snow considerably reduce fuel economy?

6 votes
1 answer
135 views

Why is there no drop-in biogasoline like there is drop-in biodiesel (e.g. NEXBTL)?

6 votes
2 answers
10k views

Can diesel engine be harmed as easily as gasoline engine by over-revving?

6 votes
1 answer
1k views

Is pre-heating a modern engine worth it?

5 votes
1 answer
9k views

Clutch failure symptoms

5 votes
1 answer
4k views

What is the purpose of secondary air injection?

5 votes
1 answer
2k views

Why can a reasonably new car consume oil?

5 votes
2 answers
26k views

What are the benefits of direct ignition (coil on plug) system?

5 votes
2 answers
5k views

Brake fluid heat

5 votes
4 answers
2k views

How many minutes to wait after turning off small air-cooled engine before oil change?

5 votes
1 answer
1k views

Why does my lawnmower air filter have a metal wire mesh?

4 votes
1 answer
142 views

If I start a previously unfueled small engine, do I keep choke on for first pull only or until it starts?

4 votes
2 answers
5k views

Is it beneficial to run high viscosity oil in an old engine near the end of its useful life?

4 votes
1 answer
2k views

Is stale gas a real problem with plug-in hybrids?

4 votes
1 answer
305 views

Is it harmful to hill-hold electric car with accelerator pedal?

4 votes
2 answers
12k views

Are bigger tires better in snow?

4 votes
2 answers
1k views

One tire worn 1mm more, what are the chances of an alignment problem?

4 votes
1 answer
628 views

Why would a lambda sensor fail?

4 votes
4 answers
337 views

What is the expected lifetime and failure mode of lead acid battery?

3 votes
2 answers
257 views

Wheel removal solutions

3 votes
1 answer
146 views

How does seat belt allow movement at slow speed but disallow at high speed?

3 votes
1 answer
2k views

Octane number definition differences in different countries