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In spark-ignition internal combustion engines, knocking (also knock, detonation, spark knock, pinging or pinking) occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but when one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front.
The MIL can present a legend, such as check engine, power limited, engine, or service engine soon; or it also can present a pictogram of an engine. In hybrid and electric cars, a fault with the hybrid/EV system shows the pictogram of the vehicle with the exclamation point to indicate a fault with the electric motor and/or hybrid/EV battery (in ...
Pages in category "Engine problems" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. B. Back-fire; C.
Engine flooding was a common problem with carbureted cars, but newer fuel-injected ones are immune to the problem when operating within normal tolerances. Flooding usually occurs during starting, especially under cold conditions or because the accelerator has been pumped. It can also occur during hot starting; high temperatures may cause fuel ...
Dieseling (in the sense of engine run-on, and disregarding combustible gaseous mixtures via the air intake) can also occur in diesel engines, when the piston or seals fail due to overheating, admitting engine oil into the cylinder. A structurally failing diesel engine will often accelerate when the throttle is released, even after fuel ...
Rated just 11th out of 15 overall in luxury compact cars, the car received a 2 out of 5 rating in predicted reliability and a 3 out of 5 in predicted owner satisfaction.
British Airways Flight 38 crash-landed at London Heathrow in 2008 after its fuel lines became clogged with ice crystals.. In an internal combustion engine, fuel starvation is the failure of the fuel system to supply sufficient fuel to allow the engine to run properly, for example due to blockage, vapor lock, contamination by water, malfunction of the fuel pump or incorrect operation, leading ...
With older engine designs, backfiring can be common or unavoidable. Backfire is rare in modern vehicles with fuel-injection and computer-controlled fuel mixtures. Cars with sports exhausts (both factory-fitted and aftermarket) are much more likely to backfire. In some circumstances the backfire is seen as an additional perk of the car.