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#5: 09-17-2012, 09:07 AM
 Spec B
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Title: JDM tuner wanna be
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Location: Central NJ
Car: 2011 Lexus ISF
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Start/focus on the pump.

Confirm that your pump is installed correctly - a faulty (or mis-installed) pump will lean out on the high-end. It is pretty rare for the injectors to be the cause of a lean the issue.
The Following User Says Thank You to Spec B For This Useful Post:
urabuslegacyGT44 (09-17-2012)