Is it running rough? I am wiling to bet you need to replace the plugs/wires. The roughness you experience is the sparking or arching with old plugs/wires. They cost about $45. Use a light coating of bulb grease on the ends of the the new wires, and replace them in the right order.
what is the spark plugs firing order for a mercury villager 1997
With a spark plug socket and socket wrenches and extensions.
According to one of Ford's websites : The spark plug gap for a 1993 Mercury Villager , 3.0 V6 is : ( .032 inch )
1995 Mercury Truck Villager Van 3.0L EFI SOHC 6cylThe Spark Plug Gap.032 (In thousandths of an inch)
The distributor in a Mercury Villager is the round thing at the front of the engine with the six spark plug wires attached to it.
According to fordparts.com the spark plug gap is ( .032 inch ) on a 1993 Mercury Villager with the 3.0 liter V6
According to one of Fords websites : For the 3.0 litre V6 engine in a 1994 Mercury Villager : ( the spark plugs are gapped at .032 inch )
A spark plug socket.
In the cylinder head .
According to one of Fords websites : For a 1993 Mercury Villager , 3.0 liter V6 engine : ( the spark plugs are gapped at .032 inch )
I was looking at one of Fords websites and it shows for the 3.0 liter V6 engine in a 1993 Mercury Villager : The spark plugs are gapped at ( .032 inch )
I was looking at the 1998 Mercury Villager Owner Guide ( and one of the Ford websites ) and they both show the spark plug gap as ( .034 inch )