When faced with the frustrating issue of an ignition key that won't turn in a 1994 Subaru Legacy, it's essential to adopt a systematic diagnostic approach. Start by checking for a steering wheel lock, as this is a common and easily fixable problem. Gently wiggle the steering wheel while attempting to turn the key; if the wheel is locked, this simple maneuver may resolve the issue. Next, inspect the key itself for any signs of wear or damage, as a compromised key can hinder ignition. If the key appears fine, consider the ignition lock mechanism, which may have internal mechanical issues. In this case, a more forceful shake of the steering wheel might help, but be prepared to replace the ignition lock if necessary. If the key turns partially but fails to start the engine, investigate potential electrical issues, such as worn solenoid contacts. Cleaning electrical connections or replacing faulty components may be required. Additionally, ensure the ignition lock is adequately lubricated, as a sticky mechanism can also prevent smooth operation. Lastly, while less common, check for any blown fuses or electrical system problems that could indirectly affect the ignition. By methodically assessing these factors, you can effectively diagnose and address the issue, getting your Subaru Legacy back on the road.

When dealing with a 1994 Subaru Legacy where the key won't turn in the ignition, several common problems may be at play. One of the primary culprits is a worn or damaged ignition switch, particularly the tumbler, which can hinder the key's ability to turn smoothly. If this component shows signs of wear, replacing it can often restore functionality. For manual transmission models, the clutch pedal switch is another critical element; if it malfunctions, it can prevent the car from starting altogether, necessitating a check or replacement. Additionally, issues with the starter relay or interlock relay can disrupt the starting circuit, leading to intermittent starting problems. Another factor to consider is the steering lock mechanism, which can engage when the steering wheel is turned too far; gently turning the wheel while attempting to turn the key may help. If the key and ignition lock mechanism itself is jammed due to wear or debris, lubricating the lock can often resolve the issue. Lastly, while less common, electrical system problems such as faulty wiring could also be a factor, though this is less likely if other electrical components are functioning. By systematically diagnosing these potential issues, DIYers can effectively troubleshoot and resolve ignition problems in their Subaru Legacy.