rqb2001 Posted May 21, 2017 Report Share Posted May 21, 2017 Stalls at traffic light and slightly rough idle Quote Link to comment Share on other sites More sharing options...
macbwt Posted May 22, 2017 Report Share Posted May 22, 2017 Mileage? All city with High idle hours? 50K miles with all city and high Idle would indicate spark plugs. Change plugs clean TB and Intake. Check your Emissions purge valve also it should hold about 21 Vacuum if it is down below 7 change it. Also change the PCV valve when you change the spark plugs. Spark plug change should only take you an hour. Stalls at traffic light and slightly rough idle 1 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted May 22, 2017 Report Share Posted May 22, 2017 Which engine do you have? 2.0 Ecoboost, 3.5L, or 3.7L? That knowledge would also help in diagnostics. Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted May 23, 2017 Report Share Posted May 23, 2017 Throttle body? 2 Quote Link to comment Share on other sites More sharing options...
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