1983 Toyota Pickup BaseFACTORY OEM SERVICE PROCEDURE

Spray Pattern

Increase pumping speed to between 15 and 60 times per minute. At certain speeds, nozzle should "shudder" when spraying. Check spray pattern at this speed. If pattern is not correct, clean or replace nozzle. See Fig 1.

Fig 1: Injection Nozzle Spray Patterns Install tester as shown.
G34677Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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:

  • 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.

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