Mercury 2009 Mountaineer - Engine Data

ENGINE DATA
Engine 4.0L SOHC V6
engine
4.6L 3V V8
engine
Cubic inches 245 281
Required fuel 87 octane 87 octane
Firing order 1-4-2-5-3-6 1-3-7-2-6-5-4-8
Ignition system EDIS Coil on Plug
Spark plug gap 0.052–0.056 inch
(1.32–1.42 mm)
0.039–0.043 inch
(1.0–1.1mm)
Compression ratio 9.7:1 9.8:1
Engine drivebelt routing
• 4.0L V6 Engine
• 4.6L V8 Engine
2009 Mountaineer (mnt)
Owners Guide, 2nd Printing
USA (fus)
Maintenance and Specifications
377