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Thread: Is the E38 capable of a PWM fuel pump signal without a FPCM?

  1. #1
    Senior Tuner
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    Sep 2008
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    Is the E38 capable of a PWM fuel pump signal without a FPCM?

    Is the E38 in my 2010 Camaro SS capable of a PWM signal for the fuel pump without the stock FPCM? OR, does the OEM FPCM output a true PWM signal to my pump?

    I'm going to put in an Aeromotive Eliminator this winter for the new engine, and I don't want to use the Aeromotive controller. I'd prefer to keep the OEM level of control and just get a 30-40 amp solid state relay to handle the current the pump needs and the PWM signal from the car...I think this will give me more control of the pump with the E38 than the aeromotive controller.

    Anybody have any thoughts on this?
    2010 Camaro SS M6. Stock Bottom End, Heads/Cam/Intake/Headers/Exhaust.
    2005 Silverado RCSB. Forged 370 LQ9/Borg-Forced Inductions T6 S484/Jake's Stage 4 4L80E with D3 Brake/4WD.
    2023 Durango Hellcat

  2. #2
    Senior Tuner DSteck's Avatar
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    Mar 2008
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    St. Louis, MO
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    4,859
    Nope. FPCM is true PWM.

    The Aeromotive controller is junk. I made my own. I use it on a lot of Eliminatot setups. It runs off of the MAP signal, is pre programmed, and pulses at 32,000Hz.

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