1988 Plymouth Colt BaseFACTORY OEM SERVICE PROCEDURE

EGR Control Solenoid Valve

Remove Blue-striped and Red-striped vacuum hoses from solenoid valve. Separate harness connector. Connect vacuum pump to solenoid valve where Red-striped hose was connected. With battery voltage applied to solenoid valve, vacuum should leak when applied. With no voltage supplied, vacuum should hold.

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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