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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Wastegated Paxton tuning
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<blockquote data-quote="Riddick" data-source="post: 16359833" data-attributes="member: 143188"><p>I wish I could help you more but I'm stumped. I don't think you have a fuel pump issue. Reason being as your RPMs and load increase your fuel demand will increase as well. You said it goes lean but then begins to recover up top. If it were going leaner and leaner I would say fuel pump for sure. The fact it richens back up states the fuel is there.</p><p></p><p>I know you don't want to do this but have you but the car back to it's previous configuration with no wastegate and larger pulley. If you put it back and it's fine it has to be something with the wastegate, I wish you could log the boost in it's current state so we can see what it's doing. Do you have a log you can post?</p><p></p><p>Sent from my Moto Z (2) using Tapatalk</p></blockquote><p></p>
[QUOTE="Riddick, post: 16359833, member: 143188"] I wish I could help you more but I'm stumped. I don't think you have a fuel pump issue. Reason being as your RPMs and load increase your fuel demand will increase as well. You said it goes lean but then begins to recover up top. If it were going leaner and leaner I would say fuel pump for sure. The fact it richens back up states the fuel is there. I know you don't want to do this but have you but the car back to it's previous configuration with no wastegate and larger pulley. If you put it back and it's fine it has to be something with the wastegate, I wish you could log the boost in it's current state so we can see what it's doing. Do you have a log you can post? Sent from my Moto Z (2) using Tapatalk [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Wastegated Paxton tuning
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