You can override some of the fuel pump circuit by placing a jumper wire in the diagnostic box between FP and B+. This should cause the fuel pump to continuously run when the key is in the "on" position.
If you can't hear the fuel rushing through the fuel rail, you can take the fuel filler cap off and listen for the pump through the filler neck
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1989 7MGTE R154 Targa Top White Package w/Blue Interior
Driftmotion 57trim CT26, Upgraded Intercooler, 2.25" Hard Pipes, 3" Turbo Back Exhaust with Test Pipe, HKS VPC w/GM 3 bar MAP sensor, APEXi S-AFC, Walbro 255lph fuel pump, ProSport EVO Series Boost / Fuel Pressure / AFR gauges, Lotek a Pillar Gauge Pod, HKS Type 0 Turbo Timer, Eibach Lowering Springs, Tokico Illumina II TEMS struts, custom powder coated Motegi Racing TrakLite wheels
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