Question about 2000 Dodge Caravan

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I have 2000 dodge carvan sport and tach and

I have 2000 dodge carvan sport the tach and speedometer work intermittenly and check engine light is on. Just replaced alternator

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  • Dodge Master
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Regarding the Check Engine Light: Do you have a Digital Odometer? If So with the Engine Light ON = you have a Code. Insert the Key in the Ignition. Turn the Key three (3) times from OFF to ON (not Start) which is the position just before Start. On the third (3rd) time leave the Key in the ON (not Start) position. Look at the digital odometer space. Write down and Codes that are present. For Example "P 0430". The last code will be "donE" = it is done giving you codes. Respond a Comment back to this Post and let me know what Code(s) are showing. I am assuming you have a 4-speed transmission?
There are 2-speed Sensors on the front of the transmission. Input and Output Speed Sensors.
They are level with each other, right above the top line of the Solenoid (wiring harness goes into this box-like assembly) The one that is closest to the Solenoid is the Input Sensor. The one (at the same level) towards the left side of the van is the Output sensor. The Output Sensor is most likely malfunctioning. Unplug this and ceck the electrical connnection. Remoe and corrosion or oxidation (white stuff) from both sides of the metal connections. Replug in and check operations. Because of it's location, these Sensors are prone to corrosion and oxidation. If that does not work: Unplug again and remove the Output Sensor. I believe a 1-in wrench or 1-inch Deep Socket will work, after you unplug the sensor. Before replacing the sensors - you may clean the metal particles off the interior tips of the Sensors and reinstall and check operations. IF this does not fix the problem: Unplug, Remove and Replace this Output Sensor.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

Posted on Feb 03, 2010

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