no it is not your timing belt. when they go bad you get bent valves or cracked pistons or ever broken wrist pins leading to catastrofic engine failure.
Revved Up - 2013 This Is Revved Up 1-1 was released on: USA: 10 July 2013
An automobile engine usually shakes when it is being revved due the crank rotation. When revved in neutral, a torque is produced due to the reaction of the motor.
Revved Up - 2013 was released on: USA: 10 July 2013 (internet)
The engine has a short rev range, like a diesel.
Lack of lubrication would be the primary reason. Although another possibility might be that the engine is being over-revved at the time the OB computer senses the need to engage the AWD capability and the shock of the sudden engagement, while being over-revved, snaps the joints.
Revved Up - 2013 The Party 1-5 was released on: USA: 7 August 2013
On newer cars, the fuel injection has that setting just to get "the juices flowing" so it can idle normally after. On carbs, it may just be leftover gas.
Teen Titans - 2003 Revved Up 5-9 was released on: USA: 10 December 2005
Revved Up - 2013 The Pit Crew 1-2 was released on: USA: 17 July 2013
The cast of Revved Up - 2010 includes: Greg Caine as Detective 1 Amanda Jermyn Fabrizio Omodei Judd Wild as Rob
There are many reasons why an engine will sputter when revved. There may not be enough fuel getting to the engine, there may not be enough electricity getting through the car, or the computer could be going out.
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