Light on… used the on board/key obd reporter, and got **p1391 and p0340** (cps circut “malfunction”). heading home it stalled on startup again. My scanner showed code **p1391** which I believe is a manufacturer code for a mechanical fault in alignment of timing vs cam/crank sensor validation? I had to drive it to work the other day and the chk-eng light was off and it behaved fine!!. Once it’s warmed up it runs normally it seems. unless I give it just gas, and keep rpms above about 800-1000. It stalls almost immediately, INSTANTLY when put in gear. When I starts it doesn’t wanna STAY started. My problem about 2 weeks ago my truck began to idle rough all of the sudden. I am working on a **2001 4.7L dodge dakota slt automatic** Hello and thank you for the offer of help! I have a few questions that forums and non mechanics have only made me question more. If this article didn’t help you take out and put back the camshaft position sensor in its previous place, let us know, or if you have additional questions, post it in the comment box below. Attach the electrical connector to camshaft sensor.Put the mounting bolt back in its hole and tighten it to 12 N.Before torquing down the CMP bolt, make sure the sensor is flush on the cylinder head mounting surface.Never use a twisting motion to get the sensor into position as this could damage the O-ring. Put the camshaft sensor back into cylinder head hole, use a slight rocking motion to encourage it in.Add a small amount of fresh engine oil to the sensor O-ring before you put the camshaft sensor back in its previous place.Clean the camshaft sensor mounting surface area and the hole in cylinder head.Put the air cleaner assembly back into the vehicle.Put the distributor cab back in its previous position and tighten the mounting screws.Re-connect CMP wiring harness connector to the engine’s main harness connector.Re-install the CMP sensor to distributor, making sure to align the sensor into the notch on distributor housing.Check to O-ring appearance and make sure it is in good condition.Īs previously mentioned, the camshaft position sensor on 3.9L 6-cylinder and 5.2/5.9 L 8-cylinder engines is located inside the distributor, see Fig.1.Use two flathead screwdrivers to carefully pull the sensor, in a rocking motion, from the cylinder head.Unbolt the CMP sensor mounting bolt (3) with 10 mm socket.Disconnect camshaft position sensor electrical wire harness connector (4). If using jack stands, be certain the stands are rated to handle the weight of the vehicle. Raise and support the vehicle on a flat even surface.If you plan to remove the camshaft sensor without lifting the vehicle, you will need to remove the air cleaner assembly to get access. In most cases it is less of a hassle to take out the camshaft position sensor and replace it from underneath of the vehicle. Take out the whole CMP assembly from the distributor housing.Take off the distributor rotor from the distributor shaft.Disconnect CMP wire harness from the main engine wire harness.Unscrew both screws from the top of the distributor and remove the distributor cap.Unfasten the negative cable from the battery’s lead terminal post.Take off the vehicle’s air cleaner assembly and put it to the side.Refer to the appropriate sections below based on the vehicle’s engine. How to Change Camshaft Position SensorĬamshaft replacement procedures differ for certain engine models. Camshaft Position Sensor Location – 4.7L Engine. The camshaft position sensor on 2001 4.7-liter V-8 engine is located at the front/top side of the right cylinder head, see (Fig. Where is the particular place of the camshaft position sensor located? The camshaft position (CMP) sensor on the 2001 Dodge Durango 3.9L V6, 5.2L, 5.9-liter V8 engine is located inside the distributor, see (Fig. The camshaft sensor works in conjunction with the crankshaft position sensor to synchronize fuel injectors with their individual cylinders and differentiate between spark and fuel injection events. The camshaft, of course, is a shaft that operates the position of the intake and exhaust valves on internal-combustion engines. The facts provided herein are specific to 2001 Dodge Durango sport utility vehicles.Ī camshaft position sensor CMP is an electronic device that detects or measures the rotation of the camshaft. This information provides instructions on how to change a broken or inoperative camshaft position sensor for a new replacement sensor.
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