My truck is very sluggish....it seems that it is starting out in o/d and it takes for every to get up to speed. I don't think
it is shifting gears.
Do you have any dashboard indicators lit? Such as CEL or TCS? Especially a transmission light? If so, you MAY be in "limp mode" if a fault is detected in the transmission anywhere, the truck will reduce power to prevent further damage but get you off the road to a safe place. It is possible that it will go in to 'limp" without any indicators lighting up however.
Here is a good page to read: http://easyautodiagnostics.com/chrysler_map_2.0L_2.4L/map_sensor_troubleshooting_1.php~~ If you get a scan of P0700 that is transmission fault. Or it could be the MAP, or Manifold Absolute Pressure fault. That is P0107 or P0108
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