n.
The ignition of fuel in an internal-combustion engine before the spark passes through the fuel, resulting from a hot spot in the cylinder or from too great a compression ratio for the fuel.
preignition
Did you mean: preignition, Engine knocking
Dictionary:
pre·ig·ni·tion (prē'ĭg-nĭsh'ən)  |
| 5min Related Video: preignition |
Did you mean: preignition, Engine knocking
Learn More
 | combustion shock (engineering) |
| antiknock agent |
| Spark knock (mechanical engineering) |
 | What is the difference between preignition and detonation and how do they cause engine damage? Read answer... |
Help us answer these
 | 1995 1.5 Litre Lancer it preignites every time I turn the engine off What causes this and how can it be fixed? |
| Why are crucibles preignited? |
| What is causing your high-mileage F150 preignition knock? |
Post a question - any question - to the WikiAnswers community:
Copyrights:
 |
 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
Related answers
» More
Answer these
- Why are crucibles preignited?
- What is causing your high-mileage F150 preignition knock?
- How do you stop preignition in a mercedes model w124?
Mentioned in
- combustion shock (engineering)
- antiknock agent
- Spark knock (mechanical engineering)
- Gasoline (petroleum chemistry)
