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All Technical Service Bulletins for Engine Oil:|289104|Page 1359 > < Customer Interest:|289104
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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.

All Technical Service Bulletins for Engine Oil:|289104|Page 1359 > < Customer Interest:|289104