2001 Saturn SW2 StandardFACTORY OEM SERVICE PROCEDURE

Code Enable Criteria

  • Engine has been off for longer than 7 hours and 30 minutes.
  • Start-up IAT is greater than 50°F (10°C).
  • Vehicle has traveled at greater than 10 MPH.
  • IAT has increased by at least 5.4°F (3°C).
  • No IAT or ECT DTCs are set.

DTC sets when the difference between start-up ECT and IAT is greater than 27°F (15°C).

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.