Did you also change spark plug wires ? It may also be a lose spark plug wire or coil pack...
The 2004 Volo XC90 5 cylinder gets 16mpg city, 22mpg highway, and a combined 19mpg.
The 1998 Ford Expedition SUV gets 12 miles per gallon in the city, and 16 miles per gallon on the highway. This vehicle is powered by an 8-cylinder engine.
The EPA range estimate for the 2013 Ford Expedition is 392.0 mi. in the city, 560.0 mi. on the highway.
The EPA range estimate for the 2002 Ford Expedition is 364 mi. in the city, 494 mi. on the highway.
The EPA range estimate for the 2009 Ford Expedition is 392.0 mi. in the city, 560.0 mi. on the highway.
The EPA range estimate for the 2006 Ford Expedition is 336.0 mi. in the city, 476.0 mi. on the highway.
The EPA range estimate for the 2011 Ford Expedition is 392.0 mi. in the city, 560.0 mi. on the highway.
The EPA range estimate for the 2010 Ford Expedition is 392.0 mi. in the city, 560.0 mi. on the highway.
The EPA range estimate for the 2001 Ford Expedition is 364 mi. in the city, 494 mi. on the highway.
The EPA range estimate for the 2007 Ford Expedition is 336.0 mi. in the city, 504.0 mi. on the highway.
The EPA range estimate for the 2004 Ford Expedition is 392 mi. in the city, 504 mi. on the highway.
The EPA range estimate for the 2014 Ford Expedition is 392.0 mi. in the city, 560.0 mi. on the highway.