It is located behind (toward the rear of truck) The oil add chamber on the passanger side valve cover. Pull the hose out of the valve cover and there you'll find the PCV Valve
The 2.0 liter 4 cylinder , the 2.3 liter 4 cylinder , or the 2.9 liter V6
I believe the 2.9 liter V6 engine in a 1988 Ford Ranger is rated at : ( 140 horsepower )
10 degrees BTD
Coming out of intake manifold and going into rocker cover
1-3-4-2
haynes online the have auto manuals
1-4-2-5-3-6
That would depend on which model year of Ford Ranger in North America : I BELIEVE this is correct : 2.0 liter ( 1983 to 1988 ) 2.3 liter ( 1989 to 1997 ) 2.5 liter ( 1998 to 2001 ) 2.3 liter DOHC ( available in 2001 , 2002 and newer )
http://www.planetisuzoo.com/articles.htm?id=64&How_to_adjust_your_own_4cyl_Isuzu_valves
On the passenger side, on the interior wall, below the glove box, behind a plastic cover panel
In a 1988 Ford Ranger : With the 2.9 liter V6 engine , 4X4 : It has the Mitsubishi FM146 5 speed manual transmission ( transmission code " D " ) that takes ( 2.4 U.S. quarts of 80-90W gear lube )
i need help with the temp.gage in a 1988 ford ranger