1992 Cadillac Seville BaseFACTORY OEM SERVICE PROCEDURE

Pcm Code E071, Intermittent Map Sensor: Description

This code test monitors TPS, RPM, MAP, EGR flow and A/C clutch. If MAP changes rapidly and all other parameters remain constant, PCM Code E071 will set. Engine operation requires a large change in manifold pressure must be preceded by a change in throttle angle.

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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