Vitamin D deficiency can occur for a number of reasons: You don't consume the recommended levels of the vitamin over time. This is likely if you follow a strict vegan diet, because most of the natural sources are animal-based, including fish and fish oils, egg yolks, cheese, fortified milk, and beef liver.
The sensor is located under the intake manifold. It takes about 2 and half hours to replace the intake manifold, book time. Knock sensor is about $35 + $60-$90/h â¦ r labor. So you are talking about $300.
A) A knock sensor is a specially designed listening device for car engines. It listens for engine knock, or detonation (pinging). Detonation can be very bad for an engine and is the result of the fuel/air mixture exploding too quickly instead of burning evenly and rapidly.