TROUBLESHOOTING
F2–215
F2
End Of Sie
15 Inspect if turbocharger compressor wheel
locknut is loose or has fallen down inside
turbocharger.
Is there any problem?
Yes Replace turbocharger.
No Go to next step.
16 Inspect if turbocharger compressor wheel by
hand.
Does wheel turn easily and smoothly?
Yes Go to next step.
No Replace turbocharger.
17 Inspect if turbocharger turbine wheel is
damaged, cracked or interfering with housing on
vehicle.
Note
• Inspect all fins on each turbine wheel.
Is there any problem?
Yes Replace turbocharger.
No Go to next step.
18 Is any engine oil found inside turbocharger
compressor housing?
Yes Wipe oil off of vehicle and install all removed parts in
Step 15. Then, go to next step.
No Turbocharger is okay.
Install all parts removed is Step 15. Then, go to next
step.
19 Inspect suction control valve.
(See F2–54 SUCTION CONTROL VALVE
INSPECTION)
Is suction control valve okay?
Yes Go to next step.
No Repair supply pump.
(See F2–54 SUPPLY PUMP INSPECTION)
20 Is engine compression correct?
(See B2–8 COMPRESSION INSPECTION)
Yes Go to next step.
No Inspect for following:
• Damaged valve seat
• Worn valve stem and valve guide
• Worn or stuck piston ring
• Worn piston, piston ring or cylinder
• Improper valve timing
Service as necessary.
21 Inspect IDM.
(See F2–84 INJECTOR DRIVER MODULE
(IDM) INSPECTION)
Is IDM okay?
Yes Go to next step.
No Repair or replace as necessary.
22 Inspect fuel injector.
(See F2–56 FUEL INJECTOR INSPECTION)
Is fuel injector okay?
Yes Inspect following:
• Boost sensor
• Fuel pressure limiter (built-in common rail)
• Fuel pressure sensor
• Fuel return line restriction or clogging
Service as necessary.
No Repair or replace as necessary.
23 Verify test results.
• If okay, return to diagnostic index to service any additional symptoms.
• If malfunction remains, replace PCM. (See F2–64 PCM REMOVAL/INSTALLATION)
STEP INSPECTION RESULTS ACTION