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Running lean under boost

It is possible that the pump is getting a voltage drop causing lean condition ...but it would also show a dropping fuel pressure ..have you monitored the fuel pressure during

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Running lean under boost

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07-23-2018, 06:27 PM	#17 (permalink)
Jinxx Track Member Join Date: Dec 2015 Location: South Carolina Posts: 699 Drives: 2017 nismo 370z Rep Power: 3376	It is possible that the pump is getting a voltage drop causing lean condition ...but it would also show a dropping fuel pressure ..have you monitored the fuel pressure during the run ...if pressure rises and is consistent during boost I would look into tuning or injectors issues ....If you see very little increase in fuel pressure or a drop during boost I would look to mechanical issues ...voltage ..vacuum line ..etc shadow85 likes this.

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