2007 ISUZU KB P190 Workshop Repair Manual

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ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL (4JK1/4JJ1)  6A-9 
  
Excessive black exhaust smoke  
Condition Possible  Cause Correction 
Bad injection timing Engine control system malfunction  System diagnosis 
Carbon deposit a

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ISUZU KB P190 2007  Workshop Repair Manual 6A-10  ENGINE MECHANICAL (4JK1/4JJ1) 
Excessive white exhaust smoke 
Condition Possible  Cause Correction 
Bad injection timing Engine control system malfunction  System diagnosis 
Defective sensor  R

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ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL (4JK1/4JJ1)  6A-11 
Abnormal engine rotation 
Condition Possible Cause Correction 
Defective control unit  Replace unit Engine speed cannot be increased 
Engine control system malfun

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ISUZU KB P190 2007  Workshop Repair Manual 6A-12  ENGINE MECHANICAL (4JK1/4JJ1) 
Turbocharger Troubleshooting 
Condition Possible  Cause Correction 
Air leakage from intake pipe rubber  
hose  Repair 
Air leakage from intake cover  Repair 
Clo

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ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL (4JK1/4JJ1)  6A-13 
Main Data and specifications 
Item  Engine model 4JK1  Engine model 4JJ1 
Type  Diesel/4-cycle/water cooling-type in-line DOHC 
Combustion chamber type  Direct in

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ISUZU KB P190 2007  Workshop Repair Manual 6A-14  ENGINE MECHANICAL (4JK1/4JJ1) 
 
Item  Engine model 4JK1  Engine model 4JJ1 
 Regulator type   IC 
Starting system   Engage magnet type 
 Starter type   Reduction type 
 Power output  V-kW12

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ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL (4JK1/4JJ1)  6A-15 
Engine Assembly 
Removal 
1.  Disconnect the negative battery cable.  
2.  Remove the engine hood. 
3.  Drain the coolant. 
4.  Remove the starter motor. 
5.  Rem

Page 1376 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6A-16  ENGINE MECHANICAL (4JK1/4JJ1) 
 
RTW 76ASH001401
14. Remove the breather hose and lower hose of the
radiator. 
15. Remove the fan guide.  
16. Remove the drive belt. 
17. Remove the fan assembl