Fuel pump not priming. - Holley Performance Products Forums
2023年5月21日 · Everything hooked up flashed to V3 software, etc. Upon key on, I usually here my fuel pump running so I can adjust pressure, etc. Fuel pump isn’t coming on. I’m using the …
Continuous running fuel pump and can't update firmware.
2024年5月6日 · Yes, that's the Fuel Pump Prime time (default 5 seconds). After the initial five second Fuel Pump Prime Time, the ECU only runs the fuel pump when it detects an RPM …
Setup PWM fuel pump control for a steady FP using the FP sensor?
2021年12月21日 · Most PWM fuel pump setups seem to be used to slow the pump during low load needs and then increase it as needed for load. They're using return fuel systems and not …
Holley fuel pump problems. - Holley Performance Products Forums
2023年7月23日 · The 40 micron (carburetor) fuel filter has no place on an EFI fuel system. (I know you're not using it.) It's too "fine" of a filter to be used before the pump, causing fuel pump …
Fuel Pump not getting power. - Holley Performance Products …
2024年9月15日 · Curious if any of you have experience not getting power from the Sniper relay to the fuel pump. I installed a new Sniper EFI unit in my 1990 Grand Wagoneer last weekend, …
Sniper EFI - Fuel Pump Placement - Holley Performance Products …
2016年10月12日 · I would respectfully disagree with "Optional". A fuel pump must have a way to shut off in the event a fuel line is cut. That's why EFI fuel systems operate the way they do. At …
Fuel pump relay needed? - Holley Performance Products Forums
2021年1月31日 · As AndyF mentioned, the fuel pump is powered by the fuel pump relay. In other words, the Sniper EFI only triggers the relay's coil terminal. The fuel pump draws amperage …
No Power to Green Fuel Pump Wire - Holley Performance …
2020年9月25日 · Unplug the J1A connector from the ECU. Check for continuity on pin A2. This will be the red fuel pump relay output wire. This will insure that the wire is good. The fuel pump …
Sniper fuel pump relay help. - Holley Performance Products Forums
2022年12月31日 · New Sniper unit. Can anyone tell me or show a picture of the factory wiring locations on the relay. I.E.: Pink, red, small blue and large blue. We pulled the pins because of …
Replacement Fuel Pump Relay - Holley Performance Products …
2021年3月16日 · Sniper EFI Tuning & Tech. May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel …