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How do you adjust the idle on a 2008 Chrysler Sebring?

You can't adjust the idle on a 2008 Chrysler Sebring (or most modern vehicles) in the same way you could on older carbureted cars. The idle speed is controlled electronically by the Powertrain Control Module (PCM). There's no idle adjustment screw.

If your Sebring's idle is too high or too low, the problem isn't something you can fix with a simple adjustment. Instead, it points to an underlying issue that needs professional diagnosis. Here's why:

* The PCM controls idle: The PCM monitors various engine sensors (like the throttle position sensor, mass airflow sensor, coolant temperature sensor, etc.) and adjusts the idle speed accordingly to maintain a stable engine operation. A faulty sensor, vacuum leak, or problem within the PCM itself can all lead to an incorrect idle.

* DIY adjustments are risky: Attempting to manually adjust anything related to the idle system without proper knowledge can damage the engine or other components. You could easily make the problem worse.

What to do if your Sebring's idle is off:

1. Check for obvious problems: Before taking it to a mechanic, visually inspect the engine for any obvious vacuum leaks (look for cracked or loose hoses). Also, make sure the air filter isn't clogged. A clogged filter can cause the engine to run roughly and impact idle.

2. Get a professional diagnosis: The best course of action is to take your Sebring to a qualified mechanic or a Chrysler dealership. They have the diagnostic tools (like OBD-II scanners) needed to determine the cause of the faulty idle. The mechanic can identify the faulty sensor, vacuum leak, or other problem causing the incorrect idle speed and repair it properly.

In short: Don't try to adjust the idle yourself. It's electronically controlled, and attempting to do so could cause more harm than good. Get it professionally diagnosed.