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What's the deal with your nickname? How did you get it? If your nickname is self-explanatory, then tell everyone when you first started using the internet, and what was the first thing that made you say "wow, this isn't just a place for freaks after all?" Was it a website? Was it an email from a long-lost friend? Go on, spill it.

Hey Philly MeFites! I'm an ASE certified automotive technician with the L1 Engine Performance Specialist credential. I specialize in drivability, electrical systems and now, HYBRID vehicles!
Check out Hauptman Diagnostic on Facebook!

Now! With minor MeFi Celebrity status!

reBaker is my real life spouse.

So, working on cars is fun and interesting and I believe that car owners deserve to know as much about their vehicle and its operation as possible. That being said, although I give lots of car advice and answer tons of questions on AskMeFi, please don't consider it an Official Diagnosis. I'm taking an educated guess based on the limited information that you've supplied in your original question. Even if I sound really convincing, please get it looked at professionally In Real Life. Also, please don't operate your car if it's unsafe. If it stalls abruptly, smells like fuel, doesn't go where the steering wheel is pointed, has an uncontrollable vibration or shimmy, or anything else that's frightening, please get a tow and don't drive it.
Additionally, please be safe when your working on your car. I'd hate to find out that you took my crummy advice and then hurt yourself trying to fix your car. Wear safety glasses, follow repair manual procedures, and use the right tools for the job. Always use jackstands, too.