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  • in reply to: Electrical Connector #535632
    RickRick
    Participant

      You’re probably right college man, that will most likely be easier. Just kind of wanted to see how difficult it would be and if it’s worth it.

      in reply to: Electrical Connector #532276
      RickRick
      Participant

        You’re probably right college man, that will most likely be easier. Just kind of wanted to see how difficult it would be and if it’s worth it.

        in reply to: Electrical Connector #535630
        RickRick
        Participant

          I did end up swapping my TPS for a new one and still throws a TPS code, so I knew that wasn’t the issue. I went back to the service manual and found a section I overlooked. I disconnected the TPS connector and the PCM connector that holds the TPS signal wire. You then check the signal wire at the disconnected TPS connector with ground. If there is no continuity, which there wasn’t, there is a short in the wire between the TPS connector and the PCM.

          in reply to: Electrical Connector #532274
          RickRick
          Participant

            I did end up swapping my TPS for a new one and still throws a TPS code, so I knew that wasn’t the issue. I went back to the service manual and found a section I overlooked. I disconnected the TPS connector and the PCM connector that holds the TPS signal wire. You then check the signal wire at the disconnected TPS connector with ground. If there is no continuity, which there wasn’t, there is a short in the wire between the TPS connector and the PCM.

            in reply to: Map Sensor #532962
            RickRick
            Participant

              Those services sound awesome, I might have to look into that. If I reconnect the PCM the original voltage situation presents itself with 4.9v on the signal circuit (to PCM) and no voltage on supply and ground. But just a few minutes ago I disconnected the TPS and turned the engine over. When I accelerated the engine did not stall (which has been my issue every time I hit the gas and open the throttle). I plugged it back in and tried again, instant stall. So could a bad TPS be causing these wacky voltage readings, the engine stall, and the codes?

              in reply to: Map Sensor #529680
              RickRick
              Participant

                Those services sound awesome, I might have to look into that. If I reconnect the PCM the original voltage situation presents itself with 4.9v on the signal circuit (to PCM) and no voltage on supply and ground. But just a few minutes ago I disconnected the TPS and turned the engine over. When I accelerated the engine did not stall (which has been my issue every time I hit the gas and open the throttle). I plugged it back in and tried again, instant stall. So could a bad TPS be causing these wacky voltage readings, the engine stall, and the codes?

                in reply to: Map Sensor #532956
                RickRick
                Participant

                  Yes, sunset, exactly.

                  in reply to: Map Sensor #529668
                  RickRick
                  Participant

                    Yes, sunset, exactly.

                    in reply to: Map Sensor #532907
                    RickRick
                    Participant

                      So, I removed the connectors to the PCM and checked the TPS and MAP sensor. I read 3.4v on the 5 volt supply, ground, and PCM signal wires for both sensors. I assume that I must have a short somewhere, because those sensors shouldn’t be reading anything if the PCM is not connected. Anyone have any advice on tracing a short?

                      in reply to: Map Sensor #529610
                      RickRick
                      Participant

                        So, I removed the connectors to the PCM and checked the TPS and MAP sensor. I read 3.4v on the 5 volt supply, ground, and PCM signal wires for both sensors. I assume that I must have a short somewhere, because those sensors shouldn’t be reading anything if the PCM is not connected. Anyone have any advice on tracing a short?

                        in reply to: Map Sensor #529111
                        RickRick
                        Participant

                          No, there isn’t power on the ground wire, I was just stating that it has continuity. What is happening is that there is 5 volt supply on wire 1, which is incorrect according to the diagram. There is no voltage on wire 3. So I’m thinking that somehow the connector is wired incorrectly, I can’t think of any other reason.

                          in reply to: Map Sensor #532330
                          RickRick
                          Participant

                            No, there isn’t power on the ground wire, I was just stating that it has continuity. What is happening is that there is 5 volt supply on wire 1, which is incorrect according to the diagram. There is no voltage on wire 3. So I’m thinking that somehow the connector is wired incorrectly, I can’t think of any other reason.

                            in reply to: Oil Pan Gasket #481500
                            RickRick
                            Participant

                              I’m not familiar with your particular vehicle’s oil pan, but I wouldn’t recommend loosening the pan and shoving the gasket back in. Most likely I think you’d end up pinching the gasket, compromising the seal, and creating a more serious leak. I had a slow leak in my gasket and was able to drive my vehicle for a couple months before I replaced it. $800 also sounds like a ridiculous price to play, do you have to drop a section of the exhaust? If you do it yourself, it’s really not that much of a chore, most of the work comes from getting other components out of the way and removing upwards of 20 (10 mm I think) bolts. An air ratchet definitely comes in handy. Consult a service manual too, I had to add RTV to 4 parting lines on the crank case, but definitely do not add it all the way around as you defeat the purpose of the gasket.

                              in reply to: Oil Pan Gasket #482066
                              RickRick
                              Participant

                                I’m not familiar with your particular vehicle’s oil pan, but I wouldn’t recommend loosening the pan and shoving the gasket back in. Most likely I think you’d end up pinching the gasket, compromising the seal, and creating a more serious leak. I had a slow leak in my gasket and was able to drive my vehicle for a couple months before I replaced it. $800 also sounds like a ridiculous price to play, do you have to drop a section of the exhaust? If you do it yourself, it’s really not that much of a chore, most of the work comes from getting other components out of the way and removing upwards of 20 (10 mm I think) bolts. An air ratchet definitely comes in handy. Consult a service manual too, I had to add RTV to 4 parting lines on the crank case, but definitely do not add it all the way around as you defeat the purpose of the gasket.

                                in reply to: 2003 Dodge Caravan 3.8 v6 start and instant stall #471407
                                RickRick
                                Participant

                                  Eric, can you point me in the right direction as to how to get started diagnosing mechanical timing issues? Thanks!

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