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It could be "knocking" your are referring to. This occurs when combustion of the air/fuel mixture in the cylinder starts off correctly in response to ignition by the spark plug, but one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front. The fuel-air charge is meant to be ignited by the spark plug only, and at a precise time in the piston's stroke cycle. The peak of the combustion process no longer occurs at the optimum moment for the four-stroke cycle. The shock wave creates the characteristic metallic "pinging" sound, and cylinder pressure increases dramatically. Effects of engine knocking range from inconsequential to completely destructive.
What else can I help you with?
What causes engine tap when starting that stops after engine heats up?
if it is the z32 model more than likely its the variable timing sprocket
What causes rods or valves to tap in an engine?
Wear from high mileage, lack of oil changes or abuse could cause that.
What causes a cars engine to miss when turning right?
its not working properly ...should bought a ford
What causes cars to hesitate?
"What causes cars to hesitate?
What is engine choke?
Choke is a mode of air/fuel mixing that causes a rich mixture (meaning a lot of fuel). This is often used upon starting the engine. it is applied manually in older cars, but newer cars have an ECM to control such functions.
What causes 1999 suburu legacy to knock-click during idle?
Sometimes the Timing belt tensioner will cause a tap or click until the engine is warm.
How does friction affect cars?
in many different ways including the whole braking system, but engine friction causes lose in MPG's because the engine is working against itself
What kind of wave is produced when an engine bumps into a string of coupled railroad cars in track?
When an engine bumps into a string of coupled railroad cars on a track, it creates a compression wave. This wave travels through the cars and causes them to move as the energy is transferred from one car to the next until the wave dissipates.
What is the goal of the website Cars 4 Causes?
The goal of the website Cars 4 Causes is to collect new/used cars and auction them off. The proceeds are then donated to a variety of charities promoting various causes.
What is hood in cars?
its the cover on top of a cars engine
What causes air injection system pressure to be stuck in cars?
what causes air injection system pressure to be stucked in cars
What causes a cars speedometer to sometimes not work and the car to lose power and the engine light to come on all at the same time?
Have vehicle scanned to determine the problem
