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.
An oxygen sensor in an older car is a $168 part, according to CarMD data. Replacing it is a good idea. Ignoring it can lead to a more costly catalytic converter repair, which can cost more than $1,000. 2. Drive the car at highway speeds for the two weeks prior to the smog test.