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2013-14 Shelby GT500
65mm throttle body in but a/f ratios ok?
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<blockquote data-quote="RedNightmare06" data-source="post: 14142946" data-attributes="member: 140768"><p>That's sounds pretty normal it will do it with the stock TB too , You probably never noticed it. The stock A/F guage is real accurate , it getting the reading from the wide band 02's in the exhaust pipe.</p><p>The reason why the a/f shoots up is called coasting fuel. The ECU shuts off the injector while coasting . The a/f gauge can go as high as 20 when in this state . It's for gas mileage and emissions.</p><p></p><p>If the car was to lean yes it would pop a code , it would also pop a code if it was to rich too</p></blockquote><p></p>
[QUOTE="RedNightmare06, post: 14142946, member: 140768"] That's sounds pretty normal it will do it with the stock TB too , You probably never noticed it. The stock A/F guage is real accurate , it getting the reading from the wide band 02's in the exhaust pipe. The reason why the a/f shoots up is called coasting fuel. The ECU shuts off the injector while coasting . The a/f gauge can go as high as 20 when in this state . It's for gas mileage and emissions. If the car was to lean yes it would pop a code , it would also pop a code if it was to rich too [/QUOTE]
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2013-14 Shelby GT500
65mm throttle body in but a/f ratios ok?
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