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Repair manual
Testing & Diagnostics Chevrolet Blazer S15 facelift
Step-by-step instructions on "Testing & Diagnostics" for Chevrolet Blazer S15 facelift (1998–2005). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
4subsections
101articles
14illustrations
Engine Controls Self-Diagnostics - 4.3L
90 articles- Engine Controls Self-Diagnostics - 4.3L: Overview
- Engine Controls Self-Diagnostics - 4.3L: Diagnosis 1
- Engine Controls Self-Diagnostics - 4.3L: Component Locations
- Engine Controls Self-Diagnostics - 4.3L: Other 1
- DTC P0101: MASS AIRFLOW SYSTEM PERFORMANCE
- DTC P0102: MASS AIRFLOW SENSOR CIRCUIT - LOW FREQUENCY 1
- DTC P0103: MASS AIRFLOW SENSOR CIRCUIT - HIGH FREQUENCY
- DTC P0106: MANIFOLD ABSOLUTE PRESSURE SYSTEM PERFORMANCE
- DTC P0107: MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0108: MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0112: INTAKE AIR TEMPERATURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0113: INTAKE AIR TEMPERATURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0117: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0118: ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0121: THROTTLE POSITION SENSOR PERFORMANCE 1
- DTC P0122: THROTTLE POSITION SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0123: THROTTLE POSITION SENSOR CIRCUIT - HIGH VOLTAGE 1
- DTC P0125: ENGINE COOLANT TEMPERATURE EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL CONTROL
- DTC P0128: ENGINE COOLANT TEMPERATURE EXCEEDS LENGTH OF TIME TO REACH PRESET TEMPERATURE
- DTC P0131 OR P0151: HEATED OXYGEN SENSOR VOLTAGE LOW ("L" & "M" SERIES) 1
- DTC P0131 OR P0151: HEATED OXYGEN SENSOR VOLTAGE LOW ("S" & "T" SERIES)
- DTC P0132 OR P0152: HEATED OXYGEN SENSOR VOLTAGE HIGH ("L" & "M" SERIES)
- DTC P0132 OR P0152: HEATED OXYGEN SENSOR VOLTAGE HIGH ("S" & "T" SERIES)
- DTC P0133 OR P0153: HEATED OXYGEN SENSOR - SLOW RESPONSE ("L" & "M" SERIES)
- DTC P0133 OR P0153: HEATED OXYGEN SENSOR - SLOW RESPONSE ("S" & "T" SERIES)
- DTC P0134 OR P0154: HEATED OXYGEN SENSOR VOLTAGE STEADY WITHIN BIAS RANGE ("L" & "M" SERIES)
- DTC P0134 OR P0154: HEATED OXYGEN SENSOR VOLTAGE STEADY WITHIN BIAS RANGE ("S" & "T" SERIES)
- DTC P0135: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("L" & "M" SERIES)
- DTC P0135: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("S" & "T" SERIES)
- DTC P0137: HEATED OXYGEN SENSOR VOLTAGE REMAINS LOW ("L" & "M" SERIES)
- DTC P0137: HEATED OXYGEN SENSOR VOLTAGE REMAINS LOW ("S" & "T" SERIES)
- DTC P0138: HEATED OXYGEN SENSOR VOLTAGE REMAINS HIGH ("L" & "M" SERIES)
- DTC P0138: HEATED OXYGEN SENSOR VOLTAGE REMAINS HIGH ("S" & "T" SERIES)
- DTC P0140: HEATED OXYGEN SENSOR VOLTAGE IS WITHIN BIAS RANGE ("L" & "M" SERIES)
- DTC P0140: HEATED OXYGEN SENSOR VOLTAGE IS WITHIN BIAS RANGE ("S" & "T" SERIES)
- DTC P0141: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("L" & "M" SERIES)
- DTC P0141: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("S" & "T" SERIES)
- DTC P0155: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("L" & "M" SERIES)
- DTC P0155: HEATED OXYGEN SENSOR REMAINS WITHIN 150 MILLIVOLTS OF START-UP VOLTAGE ("S" & "T" SERIES)
- DTC P0171 OR P0174: FUEL TRIM SYSTEM LEAN
- DTC P0172 OR P0175: FUEL TRIM SYSTEM RICH
- DTC P0200: INCORRECT VOLTAGE FOR THE COMMANDED STATE OF INJECTOR DRIVER
- DTC P0230: INCORRECT VOLTAGE ON FUEL PUMP RELAY CONTROL CIRCUIT
- DTC P0300: ENGINE MISFIRE DETECTED
- DTC P0325: KNOCK SENSOR MODULE CIRCUIT
- DTC P0327: KNOCK SENSOR CIRCUIT
- DTC P0335: CRANKSHAFT POSITION SENSOR SIGNAL NOT DETECTED 1
- DTC P0336: CRANKSHAFT POSITION SENSOR SIGNAL OUT-OF-RANGE
- DTC P0341: CAMSHAFT POSITION SENSOR SIGNAL NOT DETECTED WHILE ENGINE IS RUNNING 1
- DTC P0351: IGNITION CONTROL VOLTAGE NOT WITHIN SPECIFIED RANGE 1
- DTC P0401: EGR SYSTEM - INSUFFICIENT FLOW
- DTC P0404: EGR POSITION SENSOR & DESIRED EGR POSITION IS MORE THAN 10 PERCENT
- DTC P0405: EGR POSITION SENSOR SIGNAL VOLTAGE EXCESSIVELY LOW
- DTC P0410: AIR INJECTION SYSTEM ("S" & "T" SERIES)
- DTC P0418: SECONDARY AIR INJECTION PUMP & AIR SOLENOID CIRCUIT ("S" & "T" SERIES)
- DTC P0420 OR P0430: THREE-WAY CATALYTIC CONVERTER - LOW EFFICIENCY
- DTC P0440: EVAPORATIVE EMISSION SYSTEM ("L" & "M" SERIES)
- DTC P0442: EVAPORATIVE SYSTEM FAILS TO HOLD A PREDETERMINED LEVEL OF VACUUM
- DTC P0443: EVAPORATIVE SYSTEM - INCORRECT VOLTAGE FOR THE COMMANDED STATE OF EVAP CANISTER PURGE SOLENOID DRIVER
- DTC P0446: EVAPORATIVE SYSTEM - VACUUM DECAY RATE IS MORE THAN A PREDETERMINED VALUE
- DTC P0449: EVAPORATIVE SYSTEM - INCORRECT VOLTAGE FOR THE COMMANDED STATE OF EVAP CANISTER VENT SOLENOID DRIVER
- DTC P0452: FUEL TANK PRESSURE SENSOR CIRCUIT - LOW VOLTAGE
- DTC P0453: FUEL TANK PRESSURE SENSOR CIRCUIT - HIGH VOLTAGE
- DTC P0500: VEHICLE SPEED SENSOR (M/T ONLY)
- DTC P0506: IDLE SPEED - LOW
- DTC P0507: IDLE SPEED - HIGH
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 OR P1683: CONTROL MODULE EEPROM
- DTC P0650: MIL FAULT DETECTION CIRCUIT SENSES UNEXPECTED VOLTAGE
- DTC P0719: PCM DETECTS OPEN BRAKE SWITCH CIRCUIT DURING ACCELERATIONS
- DTC P0724: PCM DETECTS CLOSED BRAKE SWITCH CIRCUIT DURING DECELERATIONS
- DTC P1111: IAT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1112: IAT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1114: ECT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1115: ECT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE
- DTC P1121: THROTTLE POSITION SENSOR CIRCUIT INTERMITTENT & EXCESSIVELY HIGH SIGNAL VOLTAGE
- DTC P1122: THROTTLE POSITION SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE
- DTC P1133 OR P1153: HEATED OXYGEN SENSOR - INSUFFICIENT SWITCHING ("L" & "M" SERIES)
- DTC P1133 OR P1153: HEATED OXYGEN SENSOR - INSUFFICIENT SWITCHING ("S" & "T" SERIES)
- DTC P1134 OR P1154: HEATED OXYGEN SENSOR TRANSITION TIME RATIO NOT WITHIN CALIBRATED RANGE ("L" & "M" SERIES)
- DTC P1134 OR P1154: HEATED OXYGEN SENSOR TRANSITION TIME RATIO NOT WITHIN CALIBRATED RANGE ("S" & "T" SERIES)
- DTC P1258: ENGINE OVERTEMPERATURE CONDITION
- DTC P1336: CRANKSHAFT POSITION SENSOR SYSTEM VARIATION NOT LEARNED
- DTC P1345: CRANKSHAFT/CAMSHAFT POSITION SENSOR CORRELATION
- DTC P1380: MISFIRE DETECTED - ROUGH ROAD DATA NOT AVAILABLE
- DTC P1381: SERIAL DATA MALFUNCTION EXISTS - PREVENTING PCM FROM RECEIVING ROUGH ROAD DETECTION DATA
- DTC P1404: EGR VALVE IS STILL OPEN WHEN PCM IS COMMANDING EGR VALVE CLOSED
- DTC P1441: EVAPORATIVE SYSTEM - VACUUM IS GREATER THAN CALIBRATED VALUE ("L" & "M" SERIES)
- DTC P1441: EVAPORATIVE SYSTEM - VACUUM IS GREATER THAN CALIBRATED VALUE ("S" & "T" SERIES)
- DTC P1635: 5-VOLT REFERENCE 1 CIRCUIT OUT OF TOLERANCE
- DTC P1639: 5-VOLT REFERENCE 2 CIRCUIT OUT OF TOLERANCE
Engine Controls - Trouble Shooting - No Codes
2 articlesEngine Controls - System & Component Testing
6 articles- Engine Controls - System & Component Testing: Specifications
- Engine Controls - System & Component Testing: Overview
- Engine Controls - System & Component Testing: Diagnosis 4
- Engine Controls - System & Component Testing: Wiring
- Engine Controls - System & Component Testing: Component Locations
- Engine Controls - System & Component Testing: Other 1