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The scan tool indicates Diagnostic Trouble Code (DTC) P1128: Manifold Absolute Pressure (MAP) lower than expected. — The MIL has been reported on. Problem verification: 2. Check the MAP with the scan tool. Is 54.1 kPa (406 mmHg, 16.0 Intermittent failure, system is OK The scan tool indicates Diagnostic Trouble Code (DTC) P1129: Manifold Absolute Pressure (MAP) higher than expected. Is 43.3 kPa (325 mmHg, 12.8 Intermittent failure, system is OK Replace the MAP sensor. NO YES Problem verification: engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle. 2. Check the MAP with the scan tool. — The MIL has been reported on. Replace the MAP sensor. NO YES Main Menu Table of Contents |