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  View original topic: 2.1 WBX to AHU conversion - fuel pump?
joelsolomonson Sun Jul 14, 2019 10:04 pm

For those who have gone from stock gas to diesel, does the gas fuel pump get deleted? Does anybody keep it in place and use it like a lift pump? Is it compatible with diesel? Thanks

hans j Sun Jul 14, 2019 11:04 pm

Delete it, it runs way too high of pressure for the injection pump.

If you would like a lift pump, you only need a small one with low pressure. You will also have to wire in a relay for it because the stock gas fuel pump is run by the ECM, which all gets removed during the conversion.

joelsolomonson Sun Jul 14, 2019 11:10 pm

Got it. Thanks for the explanation.

leecat Mon Jul 15, 2019 8:08 am

I run the AHU and have never had any need for a lift pump of any kind either, runs like a champ just with the stock injector pump.



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