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SVT Shelby GT500
No throttle response
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<blockquote data-quote="Catmonkey" data-source="post: 16312420" data-attributes="member: 124025"><p>If the car is fail-safeing, have you tried disconnecting the battery to reset KAM and see what it does? There's a good chance it's your tune. My advice, assuming you don't have a larger CAI on the car, is to buy an X4. There's usually one in the market you can pick up used. Do an update on the flash tool (download from SCT website) and install the canned tune. If you don't fail safe, it's your tune. Downloading the DTC codes will offer other clues. Since your tooner has been no help to this point, find another that knows these cars. </p><p></p><p>I'm not familiar with the BBK throttle body, but I have run them on other applications where there is no alternative. Most guys are running something different on their GT500s. It's not a 70mm either, it's 65mm which should run without a tune. If you have to buy another servo, I'd just upgrade to a67mm or 69mm VMP twin. These come with electronics.</p><p></p><p>I think your TPS is in the right range. You could see what the voltage does when you open the throttle plate by hand just to verify the voltage is smooth. These cars aren't finicky about TPS voltage at idle like the EEC-IV stuff.</p></blockquote><p></p>
[QUOTE="Catmonkey, post: 16312420, member: 124025"] If the car is fail-safeing, have you tried disconnecting the battery to reset KAM and see what it does? There's a good chance it's your tune. My advice, assuming you don't have a larger CAI on the car, is to buy an X4. There's usually one in the market you can pick up used. Do an update on the flash tool (download from SCT website) and install the canned tune. If you don't fail safe, it's your tune. Downloading the DTC codes will offer other clues. Since your tooner has been no help to this point, find another that knows these cars. I'm not familiar with the BBK throttle body, but I have run them on other applications where there is no alternative. Most guys are running something different on their GT500s. It's not a 70mm either, it's 65mm which should run without a tune. If you have to buy another servo, I'd just upgrade to a67mm or 69mm VMP twin. These come with electronics. I think your TPS is in the right range. You could see what the voltage does when you open the throttle plate by hand just to verify the voltage is smooth. These cars aren't finicky about TPS voltage at idle like the EEC-IV stuff. [/QUOTE]
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SVT Shelby GT500
No throttle response
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