Table 15
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Engine Noise (Under Hood)
NOTE:
Attempt to identify the source of the noise. If the noise is from a source other than those listed below, refer to NO DIAGNOSTIC TROUBLE CODE (DTC) PRESENT SYMPTOM TABLE INDEX (for noise such as spark knock) or the applicable Workshop Manual.
ENGINE NOISE (UNDER HOOD) SYMPTOM TABLE
| SYSTEM/COMPONENT | REFERENCE (Pinpoint Test unless noted) |
|---|---|
| Secondary Ignition System Snap noise that may be due to secondary ignition arcing. |
CHECK the condition of the coil-on-plug (COP) spark plug boots. |