So your car’s oil pressure gauge is behaving like a metronome or, worse yet, has flatlined altogether and you want to check the pressure manually? Wunderbar. Your engine’s oil pressure is vital to its ...

Since this column's inception, we've received a substantial number of questions concerning air-conditioning troubleshooting. Answering each one would take quite some time, but we will attempt to ...

• The need to have the old refrigerant reclaimed and the new refrigerant added by a certified A/C-repair shop This month we will provide you with detailed troubleshooting diagnostics using the ...