20 Most Recent 2001 Dodge Durango - Page 3 Questions & Answers

the oil,sender unit is suspect as it is under the manifold and they can fail at the seal between the hard housing and the thread body or around the tin sides where they join check the oil level, clean around the area , start the engine and watch for oil spurts or drips

Are you saying it cranks good or won't start? If so, have a helper crank it while you check for spark at the plugs. If spark everywhere, use a gage and check proper fuel pressure and fuel injector pulse. With engine cranking or running, I can't hear the fuel pump. The initial prime may turn it on for a second or so. The battery connections are all good, both ends? Battery has a full charge? Some vehicles when battery voltage is lost, some modules may have to be reprogrammed. I can't help you with that? You may need a manufacturer specific scanner that can communicate with whatever module. One way to tell if computer is awake, turn on the key, Hopefully any sensor that uses a ref voltage, it goes hot with key on, so check ref voltage.

you will be better off if you get someone to do this that has done this before

shift sensor in trans bad take the tarns apart . well drop pan n fluid the drop out the valve body then u can see the shift sensor

If the ABS light is on, that means a trouble code is stored in the computer. Get the code read. That's always your starting point. Also, disconnect the electrical connector the seat heater element and check for power and ground going to the element. If you see power and ground, the element is bad. Buy a new element and take the car to an auto upholstery shop. They can remove the seat cover and replace the element.

Check the play in the diff,check for noise when driving check rev,s arn t to high at idle.

the noise is the free play in the side gears of the diff and is normal in a diff that has some miles there is a problem if the pinion moves forward or back when turning the shaft check for "U" joints as if they are failing you will get the noise when changing direction other areas to check are suspension rubbers and transmission rubber mounts

What was the code number? The oil pressure sensor isn't hard wired to the instrument. The oil pressure sensor is hard wired to pcm, the pcm makes the determination and sends serial data to instrument cluster telling it what to do with oil pressure gage. At the moment, I'm not sure where the oil pressure sending unit is located? It may be on top of engine at the back? In the diagram, the top wire should be ref voltage, key on, bottom wire should be a ground. If you don't want to do testing yourself. Take it to different repair shop.

Check your owners manual

The are vacuum operated via vacuum motors. Check the vacuum reservoir under the hood first if you have no vacuum.

Check the main wiring harness at the fire wall bulk head connector for corrosion. All power enters cab here. Use dielectric grease on the connector.