According to the 1999 Ford Ranger Owner Guide :
For the 4.0 liter V6 engine :
( the spark plugs are gapped at .052 to .056 inch )
* confirm with the Vehicle Emissions Control Information ( VECI )
decal located in the front of your engine compartment
On a 1999 Ford Ranger : Check the Vehicle Emissions Control Information ( VECI ) decal in the front of the engine compartment , it will show what type of spark plugs to use , and the spark plug gap
According to the 1999 Ford Ranger Owner Guide : For the 4.0 liter V6 engine : ( the spark plugs are gapped at .052 to .056 inch ) * confirm with the Vehicle Emissions Control Information ( VECI ) decal located in the front of your engine compartment
Yes , the 2.5 litre four cylinder engine in a 1999 Ford Ranger is a Single Over Head Cam engine
Its an 8 cylinder motor. Answer The 2.5 L - 4 cylinder engine used in the 1999 Ford Ranger has a twin plug ignition system , two spark plugs per cylinder , one plug fires for combustion , the second plug fires on the exhaust to achieve lower emissions
The 1999 Ford Ranger 3.0 liter engine throttle positioning sensor is located on the cylinder head. The sensor will be near the middle of the cylinder head.
top rear of engine
According to the 1999 Ford Ranger Owner Guide : With engine oil filter change ( 4.5 quarts of engine oil ) for your 2.5 liter 4 cylinder
For a 1999 Ford Ranger , 2.5 liter four cylinder engine : ( 117 horsepower at 4500 RPM from the factory )
If you open the hood and can see only 3 spark plug wires: you have 6 cylinder engine. Otherwise you have 4 cylinder engine (you can see only 4 spark plug wires).
For a 1999 Ford Ranger : Either the : 2.5 litre four cylinder engine The 3.0 litre V6 engine ( and it's flex fuel version ) The 4.0 litre EFI , V6 engine ( which is an Over Head Valve / pushrod design )
The 2.5 liter 4 cylinder engine in a 1999 Ford Ranger takes ( with engine oil filter change ) 4.5 quarts / 4.3 liters ( according to the Owner Guide )
There are many causes to this problem, in a 1999 Ford Ranger 3.0L. It is usually caused by a spark plug firing when its not suppose to, or late/delayed timing.