Oct 03, 2019 · Nissan Navara Whining Noise When Accelerating. A whining sound when accelerating is almost always caused by a bad accessory attached to your Navara’s engine. Here are the most common causes of whining noises when accelerating: 1. Bad Alternator. When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. It ...
On the other hand, when the engine is in parameters (normal hot), whenever i push the gas pedal a little harder (to climb a hill, to accelerate a bit faster), I hear a noise coming from the engine, like the spark is not given at the right time, and pistons...