Nuts and Bolts: PWM Fuel Pump
 

I’m considering swapping one of the newer GM direct-injected 4.3L V-6 engines into my TJ. The stock GM system controls the fuel pump with pulse width modulation (PWM). Do you know if I can run the stock Jeep fuel pump with the PWM system? Steve M. Via nuts@4wor.com Interesting question. Before we could really answer



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