4000CS Quattro L5-2144cc 2.14L SOHC (JT) (1986)
Engine Oil: All Technical Service Bulletins
MIL ON - Vehicle Loses Power
GROUP: 28
NUMBER: 91-04
DATE: May 31, 1991
SUBJECT:
Check Engine Light-On, Vehicle Looses Power
MODEL(S):
All 5 cyl. Engines With Knock Sensor Ignition Pro. 1984
CONDITION:
^
OBD light (On Board Diagnostic) comes on while driving.
^
Engine looses power, performance is reduced.
^
Above normal engine noise or vibration.
SERVICE:
Excess oil in crankcase could be cause of noise or vibration. Check engine oil level, and capacity. Adjust engine oil level as needed.
Note:
Knock sensor vehicles not equipped with an engine check light can also be affected by over-filling with engine oil.