Fuel Injection System Specifications - PFI: Specifications

1985 Buick Electra Base, 4D Sedan, 4.3 TSECTION Specifications
PORT FUEL INJECTION SPECIFICATIONS

Application Specification
1.8L Turbo (VIN J)
Throttle Body Part No. 10026724
Min. Air Rate (RPM) Not adjustable.
..... Minimum air rate is reset by ECM when
..... when vehicle is driven at about 35 MPH.
TPS Voltage Less than 1.25 volt with throttle
..... closed at idle or with ignition on.
2.8L (VIN S, W & 9)
Throttle Body Part No. 17085023, 17085024, 17085025, 17085026, 17085155
Min. Air Rate (RPM) M/T @ 600-700
TPS Voltage 0.50-0.60
Throttle Body Part No. 17085157, 17085165, 17085167, 17085171, 17085173
Min. Air Rate (RPM) A/T @ 500-600
..... Auto. Trans. in Drive.
TPS Voltage N/A
3.0L (VIN L)
Throttle Body Part No. 17085043, 17085048
Min. Air Rate (RPM) 450-550
..... Auto. Trans. in Drive.
TPS Voltage 0.50-0.60
3.8L (VIN 3)
Throttle Body Part No. 25518889
Min. Air Rate (RPM) 450-550
..... Auto. Trans. in Drive.
TPS Voltage 0.35-0.44
..... Maximum voltage value of 0.44 volt.
3.8L Turbo (VIN 9)
Throttle Body Part No. 25519486, 25522694
Min. Air Rate (RPM) 450-550
..... Auto. Trans. in Drive.
TPS Voltage 0.35-0.44
..... Maximum voltage value of 0.44 volt.
5.0L (VIN F)
Throttle Body Part No. 17085051
Min. Air Rate (RPM) 450
..... Auto. Trans. in Drive.
TPS Voltage 0.465-0.615
5.7L (VIN 8)
Throttle Body Part No. 17085049
Min. Air Rate (RPM) 400
..... In Drive. On Man. Trans. set to 450 RPM.
TPS Voltage 0.465-0.615
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.