R32 4Motion V6-3.2L (CBRA) (2008)
If the minimum delivery rate is not attained:
-
Check the supply line to filter for possible restrictions (kinks) or clogging.
If fuel line is OK.
-
Check fuel delivery rate in front of fuel filter.
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Disconnect the supply line - 1 - from fuel filter input.
NOTE: Press in securing ring to disengage the fuel line.
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Connect a Fuel pressure test set (high pressure) as shown.
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Connect an adapter hose to the Fuel pressure test set (high pressure) and hold it in a measuring container.
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Open shut-off valve of Fuel pressure test set (high pressure). Lever will point in direction of flow - A -.
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Operate Hand held remote control (jumper). Slowly close shut-off tap, until pressure gauge shows 4 bar. From this point on do not move position
of shut-off tap.
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Empty the measuring container.
-
Operate Hand held remote control (jumper) for 30 seconds. Compare delivery quantity with value determined from the first measurement.
If minimum delivery rate is now obtained:
-
Replace fuel filter.
If minimum delivery rate is again not obtained:
-
Remove fuel delivery unit and check filter strainer for dirt.
If the fuel filter and fuel strainer are OK:
-
Replace fuel delivery unit.
Assembly is performed in reverse order of removal.
Final procedures
After repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Mode 03 - Read DTC Memory
2. If necessary, erase the DTC memory. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing
and Procedures/Diagnostic Mode 04 - Erase DTC Memory
3. If the DTC memory was erased, generate readiness code See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
End of diagnosis