Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 191
ENGINE DRIVEABILITY AND EMISSIONS
6E–5
INTERMITTENT . . . . . . . . . .
ENGINE CRANKS BUT WILL NOT RUN ..
HARD START SYMPTOM . . . . . .
ROUGH, UNSTABLE, OR INCORRECT IDLE,
STALLING SYMPTOM . . . . . . .
SURGES AND/OR CHUGS SYMPTOM ...
HESITATION, SAG, STUMBLE SYMPTOM
CUTS OUT, MISSES SYMPTOM . . . ..
SPONGY SYMPTOM . . . . . . . ..
DETONATION/SPARK KNOCK SYMPTOM
POOR FUEL ECONOMY SYMPTOM . ...
EXCESSIVE EXHAUST EMISSIONS OR
DIESELING, RUN-ON SYMPTOM . . .
BACKFIRE SYMPTOM . . . . . . . .
ON-VEHICLE SERVICE PROCEDURE .
ENGINE CONTROL MODULE (ECM) . ...
SENSOR . . . . . . . . . . . . .
ENGINE COOLANT TEMPERATURE (ECT)
SENSOR . . . . . . . . . . . . .
SENSOR . . . . . . . . . . . . .
MANIFOLD ABSOLUTE PRESSURE (MAP)
SENSOR . . . . . . . . . . . . .
THROTTLE POSITION SENSOR (TPS) ...
IDLE AIR CONTROL (IAC) VALVE . . ...
KNOCK SENSOR . . . . . . . . ..
SWITCH . . . . . . . . . . . . ..
HEATED OXYGEN SENSOR (HO2S) . ..
SOLENOID . . . . . . . . . . . ..
FUEL PRESSURE RELIEF . . . . . ...
FUEL RAIL ASSEMBLY . . . . . . .
FUEL INJECTOR . . . . . . . . . ..
FUEL PRESSURE REGULATOR . . . .
IGNITION COIL . . . . . . . . . . .
SPARK PLUGS . . . . . . . . . . .
6E–6
ENGINE DRIVEABILITY AND EMISSIONS
ABBREVIATIONS CHARTS
Abbreviations
Appellation
A/C
Air Conditioner
A/T
Automatic Transmission
ACC
Accessory
BLK
Black
BLU
Blue
BRN
Brown
CEL
Check Engine Lamp
CKP
Crankshaft Position
DLC
Data Link Connector
DTC
Diagnostic Trouble Code
DVM
Digital Volt Meter
ECM
Engine Control Module
ECT
Engine Coolant Temperature
EEPROM
Electrically Erasable & Programmable Read Only Memory
EVAP
Evaporative Emission
EVRV
Electric Vacuum Regulating Valve
EXH
Exhaust
FT
Fuel Temperature
GND
Ground
GRY
Gray
HOS2
Heated Oxygen Sensor
IAC
Idel Air Control
IAT
Intake Air Temperature
IG
Ignition
ITP
Intake Throttle Position
KS
Knock Sensor
M/T
Manual Transmission
MAP
Manifold Absolute Pressure
MIL
Malfunction Indicator Lamp
OBD
On-Board Diagnostic
ORN
Orange
OT
Oil Temperature
PNK
Pink
RED
Red
SW
Switch
TB
Throttle Body
TEMP
Temperature
TP
Throttle Position
VSS
Vehicle Speed Sensor
WHT
White
YEL
Yellow
ENGINE DRIVEABILITY AND EMISSIONS
6E–7
COMPONENT LOCATOR
EndOFCallout
EndOFCallout
2
1
1
Legend
(1) Engine Coolant Temperature (ECT) Sensor
(2) Crankshaft Position (CKP) Sensor
1
1
2
3
4
Legend
(1) Idle Air Control (IAC) Valve
(2) Throttle Position Sensor (TPS)
(3) Knock Sensor (KS)
(4) Manifold Absolute Pressure (MAP) Sensor
6E–8
ENGINE DRIVEABILITY AND EMISSIONS
1
2
4
3
(1)
(2)
Air Cleaner
Idle Air Control (IAC) Valve
(3)
(4)
Engine Coolant Temperature (ECT) Sensor
Engine Control Module (ECM)
3 2
1
(1)
(2)
(3)
Intake Air Temperature (IAT) Sensor
Idle Air Control (IAC) Valve
Throttle Position Sensor (TPS)
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