< 3.0L Engine >
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Wear rubber gloves while performing this test.
- Disconnect, one at a time, each of the spark plug cables while the engine is idling to check whether the engine's running performance changes or not.
- If the engine performance does not change, check the resistance of the spark plug cable, and check the spark plug itself.