Isuzu KB P190. Manual - part 887

Engine Management – V6 – Service Operations 

Page 6C1-3–24 

 

 

Clean the area around the engine oil pressure 
sensor before removal to avoid debris from 
entering the engine. 

2 

Disconnect the wiring harness connector (1) from the engine oil pressure sensor. 

N O T E  

A small amount of oil will drain from the oil filter 
housing when the engine oil pressure sensor is 
removed. Use a shop towel to absorb the oil. 

3 

Using special tool J 41712 or a 11/16" deep socket 
and socket bar, remove the engine oil pressure  
sensor (1). 

Figure 6C1-3 – 22 

Reinstall 

Reinstallation of the engine oil pressure sensor is the reverse of the removal procedure, noting the following: 

1 

Tighten the engine oil pressure sensor to the correct torque specification. 

Engine oil pressure sensor 
torque specification .................................12.0 – 14.0 Nm 

2 

Check the engine oil level and top up if necessary, refer to 6A1 Engine Mechanical – V6. 

2.11  Evaporative Emission (EVAP) Canister 

Purge Valve Quick Connect Fittings 

Disconnect 

 

Clean the area around the evaporative 
emission (EVAP) canister purge valve before 
disconnecting the quick connect fitting to 
avoid debris from entering EVAP canister 
purge valve. 

Engine Management – V6 – Service Operations 

Page 6C1-3–25 

 

Locking Lever Type 

1 

Rotate the quick connect locking lever (1) in the 
direction of the arrow. 

2 

Whilst holding the lever against its stop (2), pull the 
hose away from the EVAP canister purge valve. 

Figure 6C1-3 – 23 

Latch Type 

1 

Push the quick connect fitting (1) in the direction of 
arrow. 

2 

Whilst pressing the two latches (2) in the direction of 
the arrows, pull the quick connect fitting (3) away from 
the EVAP canister purge valve. 

Figure 6C1-3 – 24 

Connect 

1 

Lubricate the evaporative emission (EVAP) canister 
purge valve with clean engine oil. 

Figure 6C1-3 – 25 

Engine Management – V6 – Service Operations 

Page 6C1-3–26 

 

2 

Push the hose quick connect fitting onto the purge 
valve fitting. There will be an audible click as the quick 
connect fitting engages. 

3 

Check the locking lever has returned to its rest 
position. 

4 

Check the quick connect fittings have fully engaged by 
gently pulling the quick connect fitting away from the 
purge valve. 

Figure 6C1-3 – 26 

2.12  Evaporative Emission Canister Purge 

Valve 

Remove 

1 

Turn the ignition switch off. 

2 

Disconnect the wiring harness connector (1) from the 
evaporative emission (EVAP) canister purge valve (2). 

3 

Disconnect the two EVAP canister purge valve hoses 
(3 and 4), refer to 2.11 

Evaporative Emission 

(EVAP) Canister Purge Valve Quick Connect Fittings.

Figure 6C1-3 – 27 

4 

Slide the EVAP canister purge valve (1) from the 
purge valve mounting bracket (2). 

5 

If required, test the EVAP canister purge valve, refer to 
the Test in this Section. 

Figure 6C1-3 – 28 

Engine Management – V6 – Service Operations 

Page 6C1-3–27 

 

Test 

 

To prevent component damage: 
•  Use connector test adaptor kit J 35616-A. 
•  When applying 12 V to a component, 

always use a 3 A fused wire.  

Resistance Check 

1 

Using a digital ohmmeter and connector test adaptor 
kit J 35616-A, measure the resistance across 
terminals 1 and 2. 

2 

Compare the reading against the specification. 

3 

If the resistance is not within specification, replace the 
EVAP canister purge valve.  

EVAP canister purge valve 
resistance @ 20°C .................................... 24.0 – 28.0 

Ω 

Figure 6C1-3 – 29 

Functional Test 

1 

Attempt to blow air through the EVAP canister purge 
valve inlet port (1). If air passes through the valve, the 
valve is faulty and should be replaced. 

Figure 6C1-3 – 30