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New Edge Cobras
Persistent cammed 01 cobra stalling issue
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<blockquote data-quote="IronSnake" data-source="post: 16866671" data-attributes="member: 46336"><p>You can do an idle reset, which may mess with the IAC settings a little bit and require a tune fix up.</p><p></p><p>Best way to do this is get the car up to temp. Shut it off. Unplug the IAC. Start it up. You will likely have to peddle it. Go out to the TB and adjust the set screw to get the car to idle on the lower side of your desired idle. Shut the car off and plug the IAC in. Start it up and see how it does. If it does okay and idles down to where you want it, great, settings were close. If not a retune will be needed. </p><p></p><p>What's happening is your target idle in the tune may be 850. The set screw may be only able to support 600rpm without the IAC. You're requiring the iac to carry the motor 250 rpm to target, which makes it work a lot harder. </p><p></p><p>Whenever I build a new tune I start with no IAC help (IAC Off). Get the car warm. Set the idle screw to just below target idle. Then turn the IAC back on, adjust the PWM values as needed to get the car to target idle. Rev it, drive it, etc. Make sure idle comes down and maintains without dipping too hard or struggling to maintain </p><p></p><p>It's an art and a science.</p></blockquote><p></p>
[QUOTE="IronSnake, post: 16866671, member: 46336"] You can do an idle reset, which may mess with the IAC settings a little bit and require a tune fix up. Best way to do this is get the car up to temp. Shut it off. Unplug the IAC. Start it up. You will likely have to peddle it. Go out to the TB and adjust the set screw to get the car to idle on the lower side of your desired idle. Shut the car off and plug the IAC in. Start it up and see how it does. If it does okay and idles down to where you want it, great, settings were close. If not a retune will be needed. What's happening is your target idle in the tune may be 850. The set screw may be only able to support 600rpm without the IAC. You're requiring the iac to carry the motor 250 rpm to target, which makes it work a lot harder. Whenever I build a new tune I start with no IAC help (IAC Off). Get the car warm. Set the idle screw to just below target idle. Then turn the IAC back on, adjust the PWM values as needed to get the car to target idle. Rev it, drive it, etc. Make sure idle comes down and maintains without dipping too hard or struggling to maintain It's an art and a science. [/QUOTE]
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Persistent cammed 01 cobra stalling issue
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