This weekly Q&A session answers your questions about cars and trucks. This week explores a broken Dodge Neon Crankshaft Position Sensor and a Nissan Altima throttle body.

Question: 1995 Dodge Neon

I have been searching for some effective way to remove a broken Crankshaft Position Sensor on my 1995 Dodge Neon. Now I am not even sure that was the problem! Anyway, when I was removing the old sensor, pulling it straight back, it broke right at the base. I am thinking that the original is ceramic rather than the new metal one I have. Big question is... if I take a drill to the remains... is the hole "open" to the block or is it just a closed end. Rather, when I get the remnants out, do I need to worry about chips and garbage getting into my oil and causing damage?