MAP Sensor Code Won't Go Away

Quite a few things can fool the PCM into thinking the MAP sensor has failed when it hasn't.

This is due to the fact that quite a few things can cause the engine to produce low vacuum and set a MAP sensor diagnostic trouble code.

So if the MAP sensor tested good (or you've replaced it) and you're still getting a trouble code for it, then the following testing tips may help you nail down the problem and solution:

  1. Check fuel pump pressure. A failing fuel pump that's not feeding enough fuel to the engine will cause a lean air fuel mixture that can affect engine performance and engine vacuum.
  2. Check that the EGR valve isn't stuck open (if equipped).
  3. Check engine compression of all six cylinders.
  4. Check for vacuum leaks around the intake manifold.

Where To Buy The MAP Sensor And Save

You can find the MAP sensor just about in anywhere. The best place to buy it and save a few bucks is is online.

The following links will help you comparison shop for the MAP sensor:

Not sure if the MAP sensor fits your particular vehicle? Don't worry, once you get to the site they'll make sure it fits by asking you the specifics of your particular 2.5L Dodge/Chrysler vehicle. If it doesn't fit, they'll find you the right MAP sensor.

More 2.5L V6 Chrysler Diagnostic Tutorials

You can find a complete list of Chrysler 2.5L tutorials in this index:

  1. Chrysler 2.5L Index of Articles.

Here's a small sample of the tutorials you'll find in the index:

  1. How To Test The Throttle Position Sensor (2.5L Chrysler).
  2. How To Test The Fuel Injectors (2.5L Chrysler).
  3. How To Test Engine Compression (2.5L Chrysler).
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