The Check Engine light can have many meanings from low oil level to needing water or more serious matters. It's always best to take the car to a mechanic who can "read" the codes and will be able to tell you what is wrong and/or what needs repair. It could be a simple issue or it could be very serious, and do keep driving and ignoring that light could lead to major engine damage and very costly engine rebuilding costs.
According to the 2006 Lincoln Zephyr Owner Guide : ( 17.5 U.S. gallons / 66.2 litres )
According to the 2006 Lincoln Zephyr Owner Guide : ( 17.5 U.S. gallons )
In a 2006 Lincoln Zephyr : The fuse panel is below and to the left of the steering wheel , by the brake pedal ( it has a cover on it ) Also , the Power Distribution Box ( which is " live " ) is located in the engine compartment between the battery and the drivers side fender
Under the dash.
The 2006 Lincoln Navigator has a V8 engine.
" regular " unleaded , 87 octane ( according to the Owner Guide )
The 2006 Lincoln Navigator has a 5.4 L base engine size.
The 2006 Lincoln Navigator's engine produces 300 hp @ 5000 rpm.
The 2006 Lincoln Navigator's engine produces 365 ft-lbs. @ 3750 rpm.
More than likely 4.5 quarts. Park the vehicle on a level surface. Drain the oil and replace the filter. Pour in 4 quarts of the correct weight oil. Start the engine a let run for 1 minute. Shut it down and wait 15 minutes. Check the oil level and add until it is at the full mark. Do not overfill. You now positively know the capacity. ======================================================== According to the 2006 Lincoln Zephyr Owner Guide : With engine oil filter change : ( 6.0 U.S. quarts of engine oil ) is used in the 3.0 liter DOHC " Duratec " V6
According to the 2006 Lincoln Navigator Owner Guide : With engine oil filter change : ( 7.0 U.S. quarts / 6.6 litres of 5W-20 engine oil )
I believe the 3.9 liter V8 engine in a 2006 Lincoln Ls is rated at : ( 280 horsepower at 6,000 RPM )