Turn ignition on. Using OBD-II scan tool, check manifold absolute pressure. If indicated pressure is 16.0 in. Hg or more, problem is intermittent. System is okay at this time. If indicated pressure is less than specified, replace MAP sensor.
Home/Honda/Prelude/Honda Prelude V (1996-2001)/Repair manual/Testing & Diagnostics/DTC P1128 - MANIFOLD ABSOLUTE PRESSURE (MAP) LOWER THAN EXP…
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Tests W/codes - Introduction: Overview
- Engine Controls - Tests W/codes - Introduction: Diagnosis
- Engine Controls - Tests W/codes - Introduction: Maintenance
- Engine Controls - Tests W/codes - Introduction: Component Locations
- Engine Controls - Tests W/codes - Introduction: Other
- Engine Controls - Tests W/codes - Tests: Overview
- Engine Controls - Tests W/codes - Tests: Diagnosis
- Engine Controls - Tests W/codes - Tests: Other
- DTC P0108 - MAP SENSOR CIRCUIT HIGH VOLTAGE INPUT
- DTC P0112 - INTAKE AIR TEMPERATURE (IAT) SENSOR LOW VOLTAGE INPUT
- DTC P0113 - INTAKE AIR TEMPERATURE (IAT) SENSOR HIGH VOLTAGE INPUT
- DTC P0116 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR RANGE/PERFORMANCE PROBLEM
- DTC P0117 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR LOW VOLTAGE INPUT
- DTC P0118 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR HIGH VOLTAGE INPUT
- DTC P0123 - THROTTLE POSITION (TP) SENSOR HIGH VOLTAGE INPUT
- DTC P0132 - PRIMARY HO2S-1 SENSOR HIGH VOLTAGE
- DTC P0133 - PRIMARY HO2S-1 SENSOR SLOW RESPONSE
- DTC P0135 OR DTC P0141 - HO2S SENSOR HEATER CIRCUIT MALFUNCTION
- DTC P0137 - SECONDARY HO2S-2 SENSOR LOW VOLTAGE
- DTC P0138 - SECONDARY HO2S-2 SENSOR HIGH VOLTAGE
- DTC P0139 - SECONDARY HO2S-2 SENSOR SLOW RESPONSE
- DTC P0171 & DTC P0172 - FUEL SUPPLY SYSTEM (TOO LEAN OR TOO RICH)
- DTC P0300 & P0301-P0304 - RANDOM CYLINDER MISFIRE DETECTED
- DTC P0301-P0304 - MISFIRE IN ONE CYLINDER DETECTED
- DTC P0325 - KNOCK SENSOR (KS) CIRCUIT MALFUNCTION
- DTC P0335, DTC P0336, DTC P1361 & DTC P1362 - CKP/TDC SENSOR
- DTC P0401 - EGR INSUFFICIENT FLOW
- DTC P0420 - CATALYTIC SYSTEM EFFICIENCY BELOW THRESHOLD
- DTC P0452 - FUEL TANK PRESSURE (FTP) SENSOR LOW VOLTAGE
- DTC P0453 - FUEL TANK PRESSURE (FTP) SENSOR HIGH VOLTAGE
- DTC P0500 - VEHICLE SPEED SENSOR (VSS) RANGE/PERFORMANCE PROBLEM
- DTC P0505 - IDLE CONTROL SYSTEM MALFUNCTION
- DTC P1106 - BARO SENSOR RANGE/PERFORMANCE PROBLEM
- DTC P1107 & DTC P1108 - BARO SENSOR
- DTC P1121 & DTC P1122 - THROTTLE POSITION (TP) SENSOR
- DTC P1128 - MANIFOLD ABSOLUTE PRESSURE (MAP) LOWER THAN EXPECTED
- DTC P1129 - MANIFOLD ABSOLUTE PRESSURE (MAP) HIGHER THAN EXPECTED
- DTC P1259 - VTEC PRESSURE SWITCH & SOLENOID VALVE CIRCUIT
- DTC P1298 - ELECTRICAL LOAD DETECTOR (ELD) HIGH VOLTAGE INPUT
- DTC P1359 - CRANKSHAFT POSITION/TOP DEAD CENTER (CKP/TDC) SENSOR
- DTC P1361 & DTC P1362 - TDC SENSOR
- DTC P1381 & DTC P1382 - CYP SENSOR
- DTC P1491 - EGR SYSTEM MALFUNCTION
- DTC P1498 - EGR VALVE LIFT SENSOR HIGH VOLTAGE
- DTC P1508 - IDLE AIR CONTROL (IAC) VALVE
- DTC P1607 - PCM INTERNAL CIRCUIT
- DTC P1655 - SEAF/SEFA A/T SIGNAL LINE FAILURE
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Removal & Installation
- Engine Controls - System & Component Testing: Other
- Abbreviations
- Accessory Drive Belts
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic Trans
- Auxiliary Emission Control Systems
- Axle Shafts
- Basic Trouble Shooting
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- DTC Index
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- Engine
- Engine Performance
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- General Servicing - All Makes
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- Mechanical
- Mechanical - Hydraulic
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- Oem General Information
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- Procedures
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- Testing & Diagnostics
- Theory & Operation
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- Wiring Diagrams - Engine Performance