17C-22
MR-372-J84-17C000$354.mif
V2
GAS INJECTION
Fault finding - Interpretation of faults
LPG 3000
Program No: AB
Vdiag No: 08/10
17C
DF017
PRESENT
OR
STOREDLPG LEAK DETECTION DOWNSTREAM OF THE EXPANSION
VALVE
1.DEF: Leak detection
2.DEF: Non-compliance with emission control standards
IMPORTANT
When carrying out an operation on an LPG supply circuit component, consult the safety instructions
(see 17D, Gas injection, Introduction, Safety instructions for all operations).
NOTESFault finding procedure application conditions:
–clear the faults,
–start the engine,
–select LPG mode,
–wait for the engine to operate in LPG mode with the status ET093 LPG mode
set to YES,
–turn the engine off,
–wait for 5 minutes,
–confirm that the fault is present.
Special note:
To detect the leak, use the product distributed by SODICAM, available under Part
number 77 11 143 071 (leak detector).
Start the engine and select LPG mode. Wait for the engine to operate in LPG mode with the status ET093 LPG
Mode set to YES and apply the leak detector product to:
–the expansion valve,
–the pipe between the expansion valve and the injector rail,
–the pipes between the injector rail and the injectors,
–the injector bodies.
Repair if necessary.
With the ignition on and the engine off, control the expansion valve solenoid valve using command
AC024 Expansion valve solenoid valve.
Without disconnecting the pipes, carefully remove:
–the LPG injector rail,
–the LPG injectors.
Apply the leak detector product to the injector seats.
Replace the faulty injector(s) (see MR 364 Mechanical, 17D, Gas injection, Injectors).
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
GAZ3000_V08_DF017 / GAZ3000_V10_DF017
