Need help?Do you have a question about the Isuzu 4JJ1-TC and is the answer not in the manual?
General| Bore x Stroke | 95.4 mm x 104.9 mm |
|---|---|
| Fuel System | Common rail direct injection |
| Aspiration | Turbocharged |
| Compression Ratio | 17.5:1 |
| Fuel Type | Diesel |
| Engine Type | 4-cylinder, turbocharged |
| Displacement | 3.0 L (2999 cc) |
| Max Power | 110 kW (150 hp) @ 3200 rpm |
| Max Torque | 375 Nm (277 lb-ft) @ 1800-2800 rpm |
Lists pin assignments for the ECM connector.
Details MAF and IAT sensors, including their function and characteristics.
Explains the IAT sensor's operation, characteristics, and data display.
Describes the CMP sensor's mounting, function, and relationship with the ECM.
Overviews the common rail system's components and advantages.
Explains the working principle of the fuel feed pump.
Explains the function and operation of the pressure limiter valve.
Explains the working states of the fuel injector.
Explains the purpose of the bypass valve.
Explains the purpose of the one-way valve.
Details how the ECM controls idle speed based on various engine conditions.
Explains the function and operation of the Malfunction Indicator Lamp (MIL).
Describes the use and functions of the Tech 2 scan tool for diagnostics.
Outlines the systematic approach for diagnosing engine control system issues.
Guides visual and physical checks for troubleshooting.
Advises on correctly identifying customer complaints for diagnosis.
Discusses intermittent conditions and their impact on diagnostics.
Highlights the importance of checking electrical connections and wiring for issues.
Describes using a DMM or Tech 2 for road testing to diagnose problems.
Explains causes of intermittent MIL illumination without DTCs.
Guides initial checks for rough idle conditions.
Details sensor checks for diagnosing rough idle.
Guides initial checks for high idle conditions.
Details sensor checks for diagnosing high idle.
Guides initial checks for cut out/misfire conditions.
Details sensor checks for diagnosing cut out/misfire.
Guides initial checks for surges or chuggles.
Guides initial checks for hesitation, sag, or stumble.
Details sensor checks for diagnosing hesitation, sag, or stumble.
Guides initial checks for knocking or combustion noise.
Details sensor checks for diagnosing knocking or combustion noise.
Guides initial checks for poor fuel economy.
Details sensor checks for diagnosing poor fuel economy.
Guides initial checks for black smoke.
Details sensor checks for diagnosing black smoke.
Guides initial checks for white smoke.
Details sensor checks for diagnosing white smoke.
Shows voltage distribution wiring diagrams (part 1).
Shows voltage distribution wiring diagrams (part 2).
Guides ECM replacement, programming of fuel injector ID code, and immobilizer.
Details the process of downloading/updating ECM software and calibration data.
Step-by-step guide for removing the fuel injector.
Step-by-step guide for installing the fuel injector.
Step-by-step guide for removing the fuel supply pump.
Step-by-step guide for installing the fuel supply pump.
To Next Page
