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SVT Shelby GT500
Rough idle -getting worse over time
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<blockquote data-quote="HKusp" data-source="post: 16928060" data-attributes="member: 194957"><p>I would look at injector duty cycle and fuel pressure commanded versus actual. Injectors should not be dirty enough to cause this issue after only 25k miles. I can't remember if you need to pull the SC to get to the drivers side injectors or not. I too had the Gen2R, and it seems vaguely familiar that you do have to. It sounds to me like the fuel pump itself may be going out, or the pick-up sock is dirty. You are way low on HP with set-up too. I had over 650rwhp with a Kenne Bell dual BAP that was on it's way out and half the injector you do. 635 is telling me either your tuner was VERY conservative or one of your components wasn't up to the task.</p></blockquote><p></p>
[QUOTE="HKusp, post: 16928060, member: 194957"] I would look at injector duty cycle and fuel pressure commanded versus actual. Injectors should not be dirty enough to cause this issue after only 25k miles. I can't remember if you need to pull the SC to get to the drivers side injectors or not. I too had the Gen2R, and it seems vaguely familiar that you do have to. It sounds to me like the fuel pump itself may be going out, or the pick-up sock is dirty. You are way low on HP with set-up too. I had over 650rwhp with a Kenne Bell dual BAP that was on it's way out and half the injector you do. 635 is telling me either your tuner was VERY conservative or one of your components wasn't up to the task. [/QUOTE]
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Rough idle -getting worse over time
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