The method you're attempting (removing components for visual access) is not the correct way to check the timing on this engine. Trying to find timing marks by removing components is risky and often unproductive.
To check the timing on a 1994 Ford Taurus 3.8L, you need a scan tool that can read the engine's crankshaft position sensor signal and calculate the timing based on that data. Here's why:
* No External Timing Marks for a Timing Light: The ignition timing is completely managed internally by the computer. While there might be timing marks *somewhere* on the engine, they aren't readily accessible and not designed to be read with a timing light.
* Electronic Ignition System: The distributorless ignition system (DIS) eliminates the need for a distributor and mechanically adjusted timing.
What to do:
1. Obtain a Scan Tool: You need a scan tool capable of reading live data from the Ford OBD-II system. A basic OBD-II code reader won't suffice; you need one that shows live data, including crankshaft position and calculated ignition timing. Many more advanced scan tools are available.
2. Consult a Repair Manual: A factory service manual for your 1994 Ford Taurus 3.8L will provide specific procedures for checking the ignition timing using a scan tool. This is crucial because the procedure might involve special steps and considerations for your specific vehicle.
Important Note: Incorrect timing can severely damage your engine. If you're not comfortable working on your car's ignition system, it's strongly recommended you take it to a qualified mechanic. Improper diagnosis or adjustment can lead to significant engine damage.