2003 Ford Focus Repair Question
Topics covered: Engine, Runs rough.
Mileage: 105,000 miles.
Mileage: 105,000 miles.
Asked on March 23, 2011
2003 ford focus se
2003 FORD FOCUS 2.0L SOHC SPI RUNS ROUGH at idle and cuts in and out when maintaining constant speed getting codes misfire first 1000revs and misfire cylinder #2 i have replaced plugs and all filters and vacuum lines
Answer
Replied on March 23, 2011
Does this engine have coils over the plugs? if so try swapping out with another cylinder to see if the misfire changes to another cylinder.