On the engine.
I'm not a mechanic / technician but on a 1988 Ford Ranger there might be ( 1 ) oxygen sensor ( upstream sensor )
The 2002 Ford Ranger camshaft position sensor is located on the back of the camshaft. The rear engine plate will need to be removed in order to view the sensor.
Where is the crank sensor located on a 94 ranger 4.0 motor
you can breath
The 1998 Ford Ranger speed sensor ring can be located on the passenger wheel. The speed sensor ring will be on the inside of the brake rotor.
Where is the camshaft position sensor located on a 1999 ford ranger 4.0 liter engine
Look by the balancer.
The external fuel pump of an 1988 ford ranger 4*4 xlt is located inside the fuel tank or gas tank.
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.
It should be located in the oil pan. On my ranger its on the drivers side.
sending wrong fuel ratio mix
the o2 sensor is located on the exaust manifold