Pcm Code E071, Intermittent Map Sensor: Description
WARNING: This page is about a different car, the 1992 Cadillac Seville and 1992 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
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.