1996 Chevrolet Chevy Van G30, Van Cargo Extended, 6.5 YFACTORY OEM SERVICE PROCEDURE

Diagnostic Aids

The scan tester cannot help diagnose a Code 42 problem. See INTERMITTENTS in TESTS W/O CODES - GASOLINE article.

Fig 1: Code 42 Schematic ("C", "K" & "P" Series) Ignition Control
G95D27626
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:

  • 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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