- Mar 7, 2025
- 4
- 2
- Funster No
- 110,977
- MH
- ML-i 570
I took my van to mercedes, after checks, they could not reach the fault, any recommendations for a repair centre.
See report below and attached.
CUSTOMER REQUIREMENT - Requirement No. A
investigate exhaust gas recirculation controller (cylinder bank 1 ) is jammed closed
Job Description - Operation No. 1 Operation Value *
Check for EGR fault. Connect star and charger, c/o 420.00 S
initial quick test. Fault present EGR positioner
(high pressure) jammed closed, actuator does not
open. C/O test plan, run to operating temperature.
C/O EGR deviation test, failed. Check vacuumfor
leaks. C/O visual inspection as best could. Very
limited access and visibility due to Hymers body.
Remove airbox, Req to split in situ , bolt
rounding at rear. Removed, remove engine cover.
Connect smoke tester to vacuumcell and test for
leaks. None found. Connect smoke tester to boost
air pipe and test air path for leaks, none found.
Remove air hoses to heater box, remove heater box
intake as best could and body mount/ support from
radiator assembly to access CDI module. Test feed
at hot air mass meter, pins 2+3 ok 4.99V. Check
continuity off line to CDI , break out box fitted
at CDI. Pin 12 CDI to pin 1 at MAF ok, 0.2 ohm.
OPERATION1 SUBTOTAL 420.00
Job Description - Operation No. 4 Operation Value *
Fault at Egr Req replaced. Rebuild. Due to 0.00 S
limited-to no access would require engine/ gearbox
assembly removed with front subframe to carry out
repair.
OPERATION4 SUBTOTAL 0.00
CUSTOMER REQUIREMENT - Requirement No.
See report below and attached.
CUSTOMER REQUIREMENT - Requirement No. A
investigate exhaust gas recirculation controller (cylinder bank 1 ) is jammed closed
Job Description - Operation No. 1 Operation Value *
Check for EGR fault. Connect star and charger, c/o 420.00 S
initial quick test. Fault present EGR positioner
(high pressure) jammed closed, actuator does not
open. C/O test plan, run to operating temperature.
C/O EGR deviation test, failed. Check vacuumfor
leaks. C/O visual inspection as best could. Very
limited access and visibility due to Hymers body.
Remove airbox, Req to split in situ , bolt
rounding at rear. Removed, remove engine cover.
Connect smoke tester to vacuumcell and test for
leaks. None found. Connect smoke tester to boost
air pipe and test air path for leaks, none found.
Remove air hoses to heater box, remove heater box
intake as best could and body mount/ support from
radiator assembly to access CDI module. Test feed
at hot air mass meter, pins 2+3 ok 4.99V. Check
continuity off line to CDI , break out box fitted
at CDI. Pin 12 CDI to pin 1 at MAF ok, 0.2 ohm.
OPERATION1 SUBTOTAL 420.00
Job Description - Operation No. 4 Operation Value *
Fault at Egr Req replaced. Rebuild. Due to 0.00 S
limited-to no access would require engine/ gearbox
assembly removed with front subframe to carry out
repair.
OPERATION4 SUBTOTAL 0.00
CUSTOMER REQUIREMENT - Requirement No.