It should come on when you turn on the ignition and then go off after a few seconds. If it does not, then the bulb is burnt out or has been removed.
What to do before starting auxiliary engine?
When you turn the ignition key to the run position , just before starting your Explorer , the check engine light should come on for a few seconds to prove that the bulb works
Starting with the 2002 Ford Explorer 4 door there is no automatic transmission dipstick
Starting in 2002 the Ford Explorer ( 4 door ) does not have an automatic transmission fluid level dipstick
If the boat has a blower for the engine compartment, TURN IT ON for several seconds before starting the engine(s), to clear out any fuel fumes that might have accumulated.
Starting with the 2002 model year , the Ford Explorer four door does not have an automatic transmission fluid dipstick
Starting with the 1997 Ford Explorer the rear washer fluid is supplied by the windshield washer fluid reservoir in the engine compartment
Not only would the safety switch keep the engine from starting up, the starter would make no attempt to crank the engine over.
The "CHECK SUSP" light comes on in the run position just before starting the engine to check the bulb . If the warning light comes on with the engine running that indicates that the air suspension system requires servicing
As far as I know , the ( 2 ) oxygen sensors on a 1995 Ford Explorer are right in the outlets of the exhaust manifolds on both sides of the engine so they are both before the catalytic converter Bank 1 is the passenger side of the engine Bank 2 is the drivers side of the engine In a Ford Explorer
Starting with the 2002 Ford Explorer ( 4 door ) the automatic transmissions do not have a dipstick
On a Ford Explorer : Bank 2 is the drivers side of the engine Sensor 1 would be close to the engine before the exhaust enters the catalytic converter