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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
High idle problem
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<blockquote data-quote="Ratpatator" data-source="post: 1463930" data-attributes="member: 20527"><p>I did do everything at once and I agree I don't think it's the tune because it ran good for the first two days. And because when I returned it to stock tune it still did the same thing. </p><p></p><p>No I'm not running a pedal commander never really liked the thought of it basically tricking the throttle control.</p><p></p><p>Everything is up dated now it wasn't at first, I didn't even think about that but that was one of the first things the 5 star guys said to do. Disconnected the the battery, and the rear o2 are hooked up and tuned for. It has the high flow catted y pipes. </p><p></p><p>A vacuum leak was the next culprit I looked and felt around all the hoses and even sprayed some throttle body cleaner around everything with it running at a last resort and there wasn't even a flinch. There is a hole in the front of the new throttle body that intersects with one in the back, looks like a defect from the factory but I plugged it and no change. </p><p></p><p>A friend said it almost sounded almost exactly like a bad fuel problem or bad fuel pump issue she had on her truck so I added some Lucas fuel additive. Now if the truck sits for several hours it will idle fine for a few minutes and then start acting up again. As soon as I get this tank drained down I'll make sure I get some good fuel in it with more additive. On a second note it ran fine untill some time after the last fill up and the tank was under a quarter full. </p><p></p><p>Man I miss carburators, distributors and timing lights...</p></blockquote><p></p>
[QUOTE="Ratpatator, post: 1463930, member: 20527"] I did do everything at once and I agree I don't think it's the tune because it ran good for the first two days. And because when I returned it to stock tune it still did the same thing. No I'm not running a pedal commander never really liked the thought of it basically tricking the throttle control. Everything is up dated now it wasn't at first, I didn't even think about that but that was one of the first things the 5 star guys said to do. Disconnected the the battery, and the rear o2 are hooked up and tuned for. It has the high flow catted y pipes. A vacuum leak was the next culprit I looked and felt around all the hoses and even sprayed some throttle body cleaner around everything with it running at a last resort and there wasn't even a flinch. There is a hole in the front of the new throttle body that intersects with one in the back, looks like a defect from the factory but I plugged it and no change. A friend said it almost sounded almost exactly like a bad fuel problem or bad fuel pump issue she had on her truck so I added some Lucas fuel additive. Now if the truck sits for several hours it will idle fine for a few minutes and then start acting up again. As soon as I get this tank drained down I'll make sure I get some good fuel in it with more additive. On a second note it ran fine untill some time after the last fill up and the tank was under a quarter full. Man I miss carburators, distributors and timing lights... [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
High idle problem
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