3100 heave-pressure control, deactivation
Mistake will not crusade a warning light
Error is non currently nowadays
Exam conditions take been completed 2A99:
2A99 Crank shaft - outlet camshaft, correlation
Error volition cause a warning light
Mistake is not currently present
Test conditions accept been completed
Short circuit or signal intermission
Freeze Frame Information
Odometer 37888kms 23542miles
Engine speed 896.00 rpm
motor condition ii.00 0-n
(engine)- oil temperature twoscore.00 °C
voltage Kl. 87 13.61 V
Event 2
Odometer 37888kms 23542miles
Engine speed 1,280.00 rpm
motor status two.00 0-n
(engine)- oil temperature 46.00 °C
voltage Kl. 87 xi.88 V
Outcome 3
Odometer 37888kms 23542miles
Engine speed 1,120.00 rpm
motor condition 2.00 0-n
(engine)- oil temperature 57.00 °C
voltage Kl. 87 12.09 V
2A98:
2A98 Crank shaft - inlet camshaft, correlation
Error will crusade a warning low-cal
Mistake is non currently present
Test atmospheric condition have non been completed
Short circuit or signal interruption
Freeze Frame Information
Effect 1
Odometer 37888kms 23542miles
Engine speed 896.00 rpm
motor status ii.00 0-north
(engine)- oil temperature 40.00 °C
voltage Kl. 87 13.61 V
2A9A:
2A9A Camshaft sensor inlet, signal
Error volition cause a alarm low-cal
Mistake is not currently present
Test conditions have been completed
Short circuit or signal intermission
Freeze Frame Information
Odometer 37888kms 23542miles
Engine speed 192.00 rpm
motor status i.00 0-n
(engine)- oil temperature 46.00 °C
voltage Kl. 87 11.37 V
Outcome 2
Odometer 37888kms 23542miles
Engine speed 224.00 rpm
motor status 1.00 0-n
(engine)- oil temperature 60.00 °C
voltage Kl. 87 xi.68
2A87:
2A87 Outlet-Vanos variable cam control test, mechanics
Error will crusade a alert low-cal
Error is not currently nowadays
Test atmospheric condition have been completed
Freeze Frame Information
Event 1
Odometer 37888kms 23542miles
Engine speed 0.00 rpm
camshaft outlet -40.00 °CRK
camshaft outlet nominal value -40.00 °CRK
Engine temperature -48.00 °C
This is what I found so far..
SI B11 02 08
Engine Oct 2022
Technical Service
This Service Information message supersedes SI B11 02 08 dated Baronial 2022.
designates changes to this revision
SUBJECT
Ability Reduction, FC 2A82 Intake VANOS and/or FC 2A87 Exhaust VANOS Camshaft Faults are Stored in DME
SITUATION
The "Service Engine Soon" (MIL) lamp is illuminated and a ability reduction is clearly perceptible. This situation can occur after driving for some time with the engine already at total operating temperature. If the ignition is cycled, the engine then usually performs commonly.
The following faults are stored in the DME:
2A82 VANOS intake – stiff; jammed mechanically
2A87 VANOS exhaust – strong; jammed mechanically
3100 Boost-pressure level control, deactivation – boost-pressure buildup prohibited (N54 only)
CAUSE
The VANOS faults tin can be caused by an insufficient oil pressure level supply to the inlet VANOS adjustment unit of measurement. To effectively move the camshafts to the target positions in the specified time and under all engine weather condition, sufficient oil pressure supply to the VANOS control pistons must always be available. When the engine operation requires that the VANOS quickly advance or retard the intake or exhaust camshaft, fault 2A82 or 2A87 may be set if the camshaft is "late", or does not achieve the target position. In this situation, engine power may be reduced and a check control message is displayed. The consequential fault 3100 tin can also exist set in the DME mistake memory as well.
PROCEDURE
Perform all applicable test plans for the faults stored. A mechanical restriction or electrical failure of the VANOS solenoid and/or the electrical circuit can cause insufficient oil supply to the VANOS assemblies besides. If the results of the test plans are inconclusive then proceed to step ii.
The oil filter cap insert may have been inadvertently removed during the vehicle'southward last oil service. If this insert is non installed, it will event in non-filtered engine oil being supplied to the engine, thus possibly clogging or damaging the VANOS solenoids.
Replace both VANOS solenoids and change the engine oil and filter. Bulldoze the vehicle to verify effectiveness. If this repair is inconclusive and the fault returns, continue to step 4.
If the oil filter cap is found intact, it is possible that the camshaft claw band seals (three) have worn a groove into the camshaft bearing ledge (1), causing a drop in oil supply to the VANOS unit.
http://www.n54tech.com/forums/showthread.php?t=10385&highlight=3100
"Replaced both Vanos Solenoids, trouble all the same there...."
"I replaced the camshaft ledges and its working fine now."
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