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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
slight jerking/shaking at idle
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<blockquote data-quote="iscrni" data-source="post: 1939302" data-attributes="member: 66497"><p>Hi All,</p><p></p><p>I have been trying to track down the cause of a jerking sensation while in gear (1st or Reverse) at idle rpms. it happens when I go to inch forward or backwards like creeping forward at a stop light or backing into a parking space. It feels almost like a sticky brake caliper (which it's not). I replaced the MAF and air filter and cleaned the throttle body, after it seems to have gotten better but is still present. Also replaced the PCV solenoid just to rule that out as I've read it can cause problems. No CEL lights or pending codes. at idle with the truck in neutral or park the idle bounces a little between 580-630 rpms and can feel a light vibration when it drops and goes back up in that range, A/C on/Off does the same thing. goes away instantly with throttle. It's not the brakes/Rotors because in neutral while inching forward/backwards is smooth, only feel it while the engine is under load. Truck is a 2012 6.2, 140k miles, engine 100% stock.</p></blockquote><p></p>
[QUOTE="iscrni, post: 1939302, member: 66497"] Hi All, I have been trying to track down the cause of a jerking sensation while in gear (1st or Reverse) at idle rpms. it happens when I go to inch forward or backwards like creeping forward at a stop light or backing into a parking space. It feels almost like a sticky brake caliper (which it's not). I replaced the MAF and air filter and cleaned the throttle body, after it seems to have gotten better but is still present. Also replaced the PCV solenoid just to rule that out as I've read it can cause problems. No CEL lights or pending codes. at idle with the truck in neutral or park the idle bounces a little between 580-630 rpms and can feel a light vibration when it drops and goes back up in that range, A/C on/Off does the same thing. goes away instantly with throttle. It's not the brakes/Rotors because in neutral while inching forward/backwards is smooth, only feel it while the engine is under load. Truck is a 2012 6.2, 140k miles, engine 100% stock. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
slight jerking/shaking at idle
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