1992 Suzuki Sidekick JS, 2D UtilityFACTORY OEM SERVICE PROCEDURE

Fuel Pump

NOTE: Fuel pump performance is a measurement of fuel pressure availability, not regulated pressure.
FUEL PUMP PERFORMANCE

Application (1) psi (kg/cm2 )
TBI (2) 34.1-39.8 (2.4-2.8)
PFI (3) 35.6-42.7 (2.5-3.0)
(1) Specification is listed with ignition on and engine off.
(2) Pressure should remain at 21.3 psi (1.5 kg/cm2 ) for one minute after fuel pump is turned off.
(3) Pressure should remain at 25.6 psi (1.8 kg/cm2 ) for one minute after fuel pump is turned off.
REGULATED FUEL PRESSURE

Application psi (kg/cm2 )
PFI (1)(4) 29.8-37.0 (2.1-2.6)
TBI (2)(3) 34.1-39.8 (2.4-2.8)
(1) Specification is listed with engine idling.
(2) Pressure should remain at 21.3 psi (1.5 kg/cm2 ) for one minute after fuel pump is turned off.
(3) Ignition on and engine off.
(4) Pressure should remain at 25.6 psi (1.8 kg/cm2 ) for one minute after fuel pump is turned off.
Factory Service Tools

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When to See a Mechanic

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

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

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