What are the main causes for camshaft position sensor to not work?

Question

1996 Dodge B2500 Van 3.9L, what are the main causes for the camshaft position sensor to not work?

Answer 1

Simply old age. Not uncommon for most vehicles to eventually have that issue

Comments

Thanks, but after I replaced it the check engine light came back on with the same code 343. I had driven it only 70 miles. What should I look for that may cause it. The van is still running like there is not a problem.