elmaalem68 Posted August 20, 2013 Report Share Posted August 20, 2013 my intake manifold short runner valve has a problem in idling, is that mean i need to replace ? cause my gas milage went way down but it runs fine. i do a lot of city driving. so i should drive it on highway to keep it working good. . its in a Freelander 2001 with new used engine of 2005 thank you Link to comment Share on other sites More sharing options...
markw Posted August 23, 2013 Report Share Posted August 23, 2013 Put good quality fuel system cleaner from STP or Formula 1 (45-50 dhs) in quarter tank and drive on highway at 120+ or 140 if you can until quarter tank finishes. If valve is sticky this will open it fully and you will get better idling and gas mileage. Tried and Tested on my dad's car as he always drive in city under 60km speed. Link to comment Share on other sites More sharing options...
elmaalem68 Posted August 24, 2013 Author Report Share Posted August 24, 2013 thank you mark, I will try it & update Link to comment Share on other sites More sharing options...
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