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 16.0 in. Hg, replace MAP sensor.
Home/Isuzu/Oasis/Isuzu Oasis I (1995-1999)/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 (LOW VACUUM)
- 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 SENSOR RANGE/PERFORMANCE PROBLEM
- DTC P0117 - ENGINE COOLANT TEMPERATURE SENSOR LOW VOLTAGE INPUT
- DTC P0118 - ENGINE COOLANT TEMPERATURE 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 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 SYSTEM 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 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 CIRCUITS
- 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 P1498 - EGR VALVE LIFT SENSOR HIGH VOLTAGE
- DTC P1519 - IDLE AIR CONTROL (IAC) VALVE
- DTC P1607 - PCM INTERNAL CIRCUIT
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Removal & Installation
- Engine Controls - System & Component Testing: Other
- Abbreviations
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic Trans
- Auxiliary Emission Control Systems
- Axle Shafts
- Basic Trouble Shooting
- Brakes
- Charging System
- Check Lists
- Computer Relearn
- Cooling Fan
- Cruise Control Systems
- Diagnostic Connector Locations
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- DTC Index
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Exterior Lights
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Servicing - All Makes
- Headlights
- Heated Glass/defoggers
- Identification
- Interior/illumination Lights
- Manual & Power Steering
- Manual HVAC System
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mirrors
- Mode 6
- Oem General Information
- Pin Voltage Charts
- Procedures
- Removal & Installation
- Reset Procedures
- Restraints
- Sensor Range Charts
- Specifications
- Starter
- Steering
- Steering Column
- Steering Column Switches
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Testing & Diagnostics
- Theory & Operation
- Timing Belt
- Traction Control Disable
- Transmission
- Warning System
- Wheel Alignment
- Windows
- Wiper/washer Systems
- Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)