Mercury 2009 Mariner - Engine Data

ENGINE DATA
Engine 2.5L I4 engine
3.0L DOHC V6 Duratec
engine
Cubic inches 152 183
Required fuel 87 octane 87 octane
Firing order 1-3-4-2 1-4-2-5-3-6
Ignition system Coil on plug Coil on plug
Spark plug gap
0.049–0.053 inch
(1.25–1.35mm)
0.045–0.049 inch
(1.15–1.25mm)
Compression
ratio
9.7:1 10.3:1
Engine drivebelt routing
• 2.5L I4 Engine
• 3.0L V6 Engine
2009 Mariner (mrn)
Owners Guide, 2nd Printing
USA (fus)
Maintenance and Specifications
302