Ford Ranger 4 0 Engine Diagram O2 Sensors

Testing the oxygen sensors on your ford 4 0l.

Ford ranger 4 0 engine diagram o2 sensors. The electronic engine controls consist of the following. We also get to see the interesting backup strategy employed by ford for o2 sensor issues and how this can potentially mislead you if you re not aware of it. O2 sensor 2 heater element test 1994 3 0l ford ranger and mazda b3000. Inducing a rich condition.

Page 2 of 3. Ford aerostar explorer ranger mountaineer. Bank 2 houses cylinders 4 5 and 6. Oxygen sensor diagnostic basics.

Due to factors beyond the control of hank s garage. You can find the o2 sensor 2 heater element test here. Ford ranger 4wd v6 4 0l complete list of sensors location. More 3 0l ford ranger tutorials.

Oxygen sensor 2 is located on the left side driver side of the engine. It measures the o2 content of the exhaust of bank 2 of the engine. Engine performance diagnostics chapter 5. List of common automotive sensors.

Testing the upstream oxygen sensors o2s11 and o2s21 on your obd ii equipped 4 0l ford aerostar explorer ranger or mountaineer can be accomplished in a few easy steps and in this article i ll show you how as you might already be aware if you ve done some research quite a few things can cause the pcm powertrain control module fuel injection computer to think that the oxygen sensor. Mine is a 1994 easier to do if there is no rust on your truck. Pcm throttle position tp sensor idle air control iac valve engine coolant temperature ect sensor 4 0l camshaft position cmp sensor crankshaft position ckp sensor.