Chrysler 3.9L Index of Articles

PCM Pin Out Chart (1996 3.9L Dodge Ram Pickup)

PCM Pin Out Chart (1996 3.9L Dodge Ram Pickup)

The PCM has 3 connectors and are color coded (black, white, and gray). Each connector has 3 rows of slots for a total of 32 slots (terminals). IMPORTANT: The following pin out chart applies only to the 1996 Dodge Ram pickups with a 3.9L V6...   read more >>

How To Test The TPS (1997-2003 3.9L Dodge Ram 1500 Pickup/Van)

How To Test The TPS (1997-2003 3.9L Dodge Ram 1500 Pickup/Van)

The throttle position sensor, on the 1997-2003 3.9L V6 Dodge Ram 1500 Pickup/Van, is a simple 3 wire component that can easily be tested with a multimeter. In this tutorial I'll show you how to test it, and find out if it's bad, in 3 simple...   read more >>

PCM Pin Out Chart (1995 3.9L Dodge Ram 1500 Pickup)

PCM Pin Out Chart (1995 3.9L Dodge Ram 1500 Pickup)

The fuel injection computer (known in tech speak as the PCM = Powertrain Control Module) is located on the firewall (passenger side) of your Dodge Ram pickup. The PCM has a 60 pin connector and on the back side of the connector (wire side) are...   read more >>

How To Test The Camshaft Position Sensor (1996-1997 3.9L Dodge Ram Pickup)

How To Test The Camshaft Position Sensor (1996-1997 3.9L Dodge Ram Pickup)

If you suspect that the camshaft position (CMP) sensor, on your 1996-1997 3.9L Dodge Ram pickup, is bad and causing a no-start problem or a trouble code P0340, then this is the tutorial you need to test it. The cool thing is that the camshaft...   read more >>

PCM Pin Out Chart (1994 3.9L Dodge Ram 1500 Pickup)

PCM Pin Out Chart (1994 3.9L Dodge Ram 1500 Pickup)

The PCM has a 60 pin connector and on the back side of the connector (wire side) are embossed a few numbers to further aid you in correctly identifying the pins (circuits). IMPORTANT: The illustration above and pin-out table below apply only to:...   read more >>

How To Test The MAP Sensor (1992-1996 3.9L Dodge Ram Pickup/Van)

How To Test The MAP Sensor (1992-1996 3.9L Dodge Ram Pickup/Van)

The manifold absolute pressure (MAP) sensor, which is located on the throttle body, can be easily tested with a multimeter. Yup, no scan tool required to find out if it's bad or not. In this tutorial, I'll explain how to perform the 3 tests you...   read more >>

How To Test For A Blown Head Gasket (3.9L Dodge Ram Pickup And Van)

How To Test For A Blown Head Gasket (3.9L Dodge Ram Pickup And Van)

There are 4 tests that are done to test for a blown head gasket. 2 of those 4 tests require no tools at all to peform. In this tutorial I'll explain how to do all 4 so that you can find out if your 3.9L equipped full-size Dodge Ram pickup or van...   read more >>

How To Test The Camshaft Position Sensor (1992-1995 3.9L Dodge Ram Pickup)

How To Test The Camshaft Position Sensor (1992-1995 3.9L Dodge Ram Pickup)

Testing the camshaft position sensor, which is located inside the distributor, is not difficult at all. The cool thing is that you don't need any expensive diagnostic equipment to do it, since it can be tested with a simple multimeter. In...   read more >>

How To Test The Engine Compression (3.9L Dodge Ram Pickup And Van)

How To Test The Engine Compression (3.9L Dodge Ram Pickup And Van)

Engine compression problems can cause a no start problem or a rough idle/misfire problem. The cool thing is that testing and interpreting an engine compression test is not that hard. In this tutorial I'll explain the test and how to interpret...   read more >>

How To Test The TPS (1992-1996 3.9L Dodge Ram Pickup/Van)

How To Test The TPS (1992-1996 3.9L Dodge Ram Pickup/Van)

The throttle position sensor is probably one of the easiest fuel injection system components to test and you don't need any expensive test equipment to do it. In this tutorial I'm gonna' show you how to test the TPS in 3 tests. These 3 tests are...   read more >>